Coal Exploratory Drilling
in the
Datil Mountain Coal Field
by Stephen J. Frost, David E. Tabet and Frank
Open-File Report
New Mexico Bureau
W. Campbell
111
of Mines and Mineral Resources
1979
T h h r e p o r t is t h er e a u l t
of a c o o p e r a t i v ep r o j e c tf u n d e d
p a r t b y t h eG e o l o g i c a lD f v i e i o n
undergrant
in
of t h e U.8. G e o l o I i c a l 8 u r v e y
14-08-0001-6-626
COAL EXPLORATION DRILLING IN THE DATIL MOUNTAIN COAL FIELD
hY
Stephen J. Frost
David E. Tabet
and
Frank If. Campbell
This report is the result of a cooperative project funded i n
part by the Geological Division of the U . S . Geological Survey
under grant 14-08-0001-6-525,
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ABSTRACT
Coalresources
p o o r l y known..
of t h e D a t i l Mountain c o a l f i e l d are
Small mines in c o a l Canyon, near . R i l e y ,
and a t t h e Hot S p o t s mine have produced about
coal.
Fivetwinnedholes
900 t o n s o f
were d r i l l e d by t h e NMBM&MIi
d r i l l .r i g
as directed by t h e a u t h o r s , i n the R i i e y ,
.
BonnieCanyon,Pueblo
Viejo Mesa, Wild Horse Canyon,.and
Pasture Canyon q u a d r a n g l e s t o e v a l u a t e t h e
coal beds on
a r e g i o n a i basis.
. .
The coals p e n e t r a t e d are i n t h e Dllco Coal Member of
the Crevasse Canyon Formation.
.
.
Most of t h e coal beds
encountexed. were 1 t o 2.5 f t t h i c k b u t o n e
4.0 and.4.3 f t ' t h i c k
seams were p e n e t r a t e d .
are h i g h - v o l a t i l e
A b i t u m i n o u sc o a l
The c o a l sa n a l y z e d
w i t h 11,725 t o 1 2 , 6 4 6 Btu/lb,
t o i6 ;36 p e r c e n t , f i x e d c a r b o n
ash of 8.85
of 42.30 t o 47.58 p e r c e n t ,
and s u l f u r of 0 . 5 1 t o 2.75pexcent.
This preliminarysurveyindicates
there is mineable
coal. i n t h e Crevasse Canyon Formation i n t h e Datil Mountain
coal f i e l d . ~ u c h more g e o l o g i c mappingand
more d r i l l i n g
is r e q u i r e d to p r o p e r l y assess the 'coal resources.
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TABLE O F CONTENTS
Page
Abstract
...........................................
i
Contents
...........................................
ii
...................................
Table of T a b l e s .....................................
I n t r o d u c t i o n .......................................
Acknowledgments ..................................
P r e v i o u s I n v e s t i g a t i o n s ..........................
Table of F i g u r e s
iii
1
2
2
.......................
6
.........................................
6
Location and A c c e s s i b i l i t y
Geography
iii
........
.................................
D e s c r i p t i o n of U n i t s P e n e t r a t e d i n D r i l l i n g
9
Geologic S t r u c t u r e
10
Coal Geology
.......................................
...........................
......................................
Coal P r o s p e c t sa n d
Coal Analyses
References
Mines
..........................................
Appendix I Location andGraphic
of Drill Holes.....
Appendix I1 Maps of D r i l l Hole Locations
...........
Appendix 111 D e s c r i p t i o n of C u t t i n g s and Cores......
ii
16
19
21
Columns
...............................
Appendix I V Geophysical Logs
11
.......................
24
26
32
49
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TABLE OF FIGURES
Figure
Page
- Developmentof
1
s t r a t i g r a p h i cn o m e n c l a t u r e
i n t h e DatilMountaincoal
2
- Generallocationof
3
field.
D a t i l Mountain c o a l
7
field.
3
-
G e n e r a l i z e d s t r u c t u r e map.
12
- QuadranglesofDatilMountaincoal
5. - Drill h o l e l o c a t i o n s . .
4
6
7
field.
13
15
- El Cerro Mine.
18
- Graphic Column of
Drill l-loles.
27
TABLE OF TABLES'
Table
1
- Analyses
Page
of c o a l drill cores.
iii
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INTRODUCTION
PurposeandScope
The p u r p o s eo ft h i sp r o j e c t
was twofold:
first, t o
obtainpreliminaryinformationaboutthestratigraphyof
a t f i v e s p e c i f i c sites: second, t o
the MesaverdeGroup
obtainanindication
inthe
of t h e q u a l i t y a n d q u a n t i t y o f c o a l
Datil Mountain f i e l d .I n
New Mexico Bureauof
Minesand
the s p r i n go f
1979, t h e
MineralResourcesdrilled
5 twinned holes i n t h e Datil Mountain c o a l field.
of 915 f t o f r o t a r y a n d
9 3 f t of core d r i l l i n g was completed
i nt h i sp r e l i m i n a r yp h a s e
were widelyspaced;
A total
of t h e s t u d y .
The d r i l l sites
some r e c o n n a i s s a n c e g e o l o g i c a l
was done t o s e l e c t s i t e l o c a t i o n s .F o l l o w i n gt h e
and d r i l l i n g , p r o x i m a t e a n d u l t i m a t e a n a l y s e s
on c o a l s a m p l e s t a k e n f r o m t h e c o r e d i n t e r v a l s
mapping
mapping
were performed
byHazen
L a b o r a t o r i e so fD e n v e r ,C o l o r a d o .T h i sr e p o r tp r e s e n t s, i n
i n t h l s p r e l i m i n a r ys t u d y .
d e t a i 1 , t h ei n f o r m a t i o ng a i n e d
A d d i t i o n a l work n e e d s t o be done i n the D a t i l Mountain c o a l
field to give
a more c o m p l e t e p i c t u r e o f t h e r e g i o n a l
stratigraphyand
Only f o u r o f
the coal potential.
these h o l e s p e n e t r a t e d
w a r r a n t t h e i r b e i n gc o r e d .C u t t i n g s
enough c o a l t o
from a l l f i v e r o t a r y
h o l e s were c o l l e c t e d a t 5 f t i n t e r v a l s and d e s c r i b e d
(Appendix 1 x 1 ) .
Only t h e t h i c k e r c o a l s were cored,however,
recovery on these was somewhat poor, due t o breakup of t h e
c o a li nt h ec o r eb a r r e l .
logged,andcoalthicknesses
A l l f i v eh o l e s
were g e o p h y s i c a l l y
were picked .from t h e l o g s .
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ACKNOWLEDGMENIS.
The a u t h o r s wish t o t h a n k B.W.
Cox, W.C.
Cox, T. X e l l e y ,
for t h e i r
and B. Lee, r a n c h e r s i n t h e Datil Mountainregion,
cooperation.
W
e wish t o thank C.F.
Richard,Socorro
of LandManagement,
Archaeologist with the Bureau
€or h e r
'is
h e l p w i t h a r c h a e o l o g i c a lc l e a r a n c e s .A p p r e c i a t i o n
expressed t o
S .C.
District
Hook, p a l e o n t o l o g i s t w i t h the 'Bureau of
for h i s . h e l p f u 1 d i s c u s s i o n s
Mines andMineralResources,
concerning the Late C r e t a c e o u s m a r i n e s t r a t i g r a p h y
o f this
PREVIOUS INVESTIGATIONS
G.K.
Gilbert (18751, a member o f t h e Wheeler Survey,
visited this r e g i o n i n 1873 a n d p u b l i s h e d
a report dividing
t h e rocks i n the area i n t o Cretaceous a n d o v e r l y i n g
a n dt r a c h y t e .
He notedcoalsin
red c l a y
t h e Cretaceoussequence
($?is
.I.)..,
I n 1 8 9 9 , C.L. Herrick (1900) made a journeythrough
t h e Datil Mountain region noting
i n t h i s r e g i o na n dq u e s t i o n i n g
the e x i s t e n c e of ' l i g n i t e s "
t h e i r age.
Be correlated
t h e l i g n i t e s i n the n o r t h e r n p o r t i o n of t h e ' f i e l d w i t h we
Fox Hills formation.-..He .also n o t e d t h e p r e s e n c e
Tertiary u n i t s o + & r f y i n q t h e C r e t a c e o u s u n i t s .
2
of-,red
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W
GILBERT
1875
1
HERRICK
1900
WINCHESTER
1920
CHAMISO
1947
I
DANE,WANEK
REESIDE,1957
MAXWELL
1976
TONKING
1957
185
FORMATION
7
BELLMOUNTAIN
z
0
+4
E
SANDSTONES
AN0
983
SHALES
MULaTTO T O N W E
Q
2
CREVASSE
_I
Y
160 CANYON
""-
D
W
GALLUP
27
MANCOS
40
"""0
Figure I
D e v e l o p m e n t o f s t r a t i g r a p h i cn o m e n c l a t u r a
i nt h eD a t i lM o u n t a i nc o a lf i e l d
-A CRUZ
JEAK FU
'0°
#
OALLUP
13
MANCOS
20
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D.E.
Winchester ( 1 9 2 0 ) made a d e t a i l e d s t u d y
of t h e
i n 1913and
coa;1 r e s o u r c e s of n o r t h e r n S o c o r r o C o u n t y
1 91 4 .
He d i v i d e d t h e C r e t a c e o u s i n t o t h e f o l l o w i n g u n i t s ( i n
a s c e n d i n go r d e r ) :
and t h eo v e r l y i n g
t h e DakotaSandstone,theMiguelformation,
Chamiso f o r m a t i o n .
s a n d s t o n e si nt h eI r l i g u e l ,
a lower s a n d whichhe
Gallego s a n d s t o n e andanuppersandhe
sandstone.
H e d e s c r i b e d two
named t h e B e l l Mountain
He al so named t h e o v e r l y i n g T e r t i a r y
F o r m a t i o nw h i c hc o n s i s t s
named t h e
Datil
of c o n g l o m e r a t e s , s a n d s t o n e , t u f f s ,
and r h y o l i t e s .
R e c o n n a i s s a n c er e p o r t s
i n New Mexico by N.H.
o ft h e
on t h e s t r u c t u r e a n d r e d b e d s
Darton ( 1 9 2 2 , 1 9 2 8 )c o v e r e dp a r t
D a t i l Mountainregion.DartonreviewedWinchester's
work on t h e Triassic and C r e t a c e o u s u n i t s t h a t c r o p o u t
along the upper
W.S.
Rio S a l a d o .
P i k e ( 1 9 4 7 ) c o r r e l a t e dt h e
t h e lower MesaverdeFormation
Maricos Formationand
u n i t s o f t h e s o u t h e r n SanJuan
Basinwiththoseofthe
D a t i l a r e a , and he discarded H e r r i c k ' s
"Fox Hills l i g n i t e " a n d
"Yellowsands
terminology.
a n dr e d u c e dt h e
of t h e Upper Fox Hills"
He a l s od r o p p e dW i n c h e s t e r ' sM i g u e lf o r m a t i o n
Chamiso f o r m a t i o n t o a member of t h e Mesaverde
Formation.
,
The P u e r t e c i t o 1 5 ' quadrangle was mapped by W.H.
( 1 9 5 7 ) .T h i s
Tonking
work d e a l sw i t ht h eg e n e r a lg e o l o g yo ft h i s
q u a d r a n g l ea n di n t r o d u c e d
a new f o r m a t i o n a l name, t h e L a Cruz
Peak Formation f o r t h e s e q u e n c e
of s h a l e s a n d s a n d s
t h e Tres Hermanos Member of t h e Mancos S h a l e .
4
above
He a s s i g n e dt h e
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c o a l s i n the area t o t h e Crevasse Canyon Formation.
D.B.
Givens(1957)
mapped t h e Dog S p r i n g s 15' quadrangle
immediately t o t h e west of the P u e r t e c i t oq u a d r a n g l e .
measured sections
His
show some c o a l s i n t h e Crevasse Canyon and
L a Cruz Peak Formations. Willard and Givens (1958) mapped
t h e Datil 36' q u a d r a n g l e b u t
did not p r e p a r e a r e p o r t on the
stratigraphy.
Dane, Wanek, and Reeside (1957) r e i n t e r p r e t e d W i n c h e s t e r ' s
B e l l Mountain sandstone and
Chamiso f o r m a t i o n as an u p f a u l t e d
r e p e t i t i o n of t h e Gallego sandstone and
of the Gallup.
of
They r a i s e d t h e Gallup from a member
the Miguelformation.
t o a formation and
the upper part
x e s t r i c t e d . t h e Gallego t o t h e upper sandstone
They also proposed t h e name D-Cross tongue
of t h e Mancos for t h e 1 7 5 - f t s h a l e u n i t
below the Gallup
Sandstone.
R.W.
F o s t e r (1964) reviewed the s u b s u r f a c e data of t h e
Catron County portion
of t h i s r e g i o n a n d p o i n t e d
most f a v o r a b l e s t r a t i g r a p h i c h o r i z o n s f o r o i l .
thepresence
out t h e
H e noted
of some c o a l i n the Spanel and Heinze #1-9609
Wells (sec. 19, T.4N.,
R.9W.#
NMPM);
however, a c c u r a t et h i c k n e s s e s
were n o t g i v e n .
C.H.
Maxwell and S . L . Moore, U . S .
mapped t h g . n o r t h e r n p o r t i o n
o f . & h i sfield.
work h a s been aab,Li,shed a t &is
C.E.
Chapinand
Geological Survey,have
Only p a r t . o f t h e i r
time (MaxxaJ.1, 1 9 7 6 a , b ) .
h i s s t u d e n t s (1979) havedoneconsiderable
work i n t h e e a s t e r n p o r t i o n
of t h e field:
Their work i n c l u d e s
d e t a i l e d mapping of a number of quadrangles.Chapin
c o n t i n u i n g his work westward i n t h i s a r e a , .
5
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S.C.
Hook, NMBMFxMR, i s c u r r e n t l y w o r k i n g on Late C r e t a c e o u s
marine s t r a t i g r a p h y a n d p a l e o n t o l o g y o f t h i s r e g i o n w i t h
W.A.
Cobban o f t h e
U.S.
Geological Survey.
LocationandAccessibility
The D a t i l Mountain c o a l f i e l d
i s located i n w e s t - c e n t r a l
New Mexico c o v e r i n g more t h a n 765 sq m i i n S o c o r r o , C a t r o n ,
and Valencia C o u n t i e s .
The f i e l d i s bounded on t h e e a s t by
Mountains, on t h e west by t h e
t h e Lucero u p l i f t andLadron
NorthPlains-Malpais
main p a r t o f t h e
area, on t h e n o r t h b y
erosion from t h e
San Juan B a s i n , and on t h e s o u t h by t h e t h i c k
forms t h e D a t i l a n d G a l l i n a s
Tertiary volcanic blanket that
M o u n t a i n s( f i g .
'
2).
The area can be reached by various unpaved county and
ranchroadsleadingfrom
t h e souCh.
1 - 4 0 on t h e n o r t h and US-60 on
Inclement w e a t h e rh i n d e r s
A pavedroadfromMagdalena
access c o n s i d e r a b l y .
t o t h e Alamo R e s e r v a t i o n i s
scheduledforcompletioninthenearfuture
andwould
provide
good access t o t h e c e n t e r o f t h e f i e l d .
Geography
The f i e l d lies on t h e s o u t h e r n e d q e
of t h eC o l o r a d o
P l a t e a u p h y s i o g r a p h i cp r o v i n c e .C e n o z o i cd e f o r m a t i o n ,
and v o l c a n i s mh a v ep r o d u c e ds t a r k l yb e a u t i f u ll a n d s c a p e s .
region i s one of canyons, mesas, andmountains.
6
erosion,
The
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.
D,
U
U
z
a
-0
0
-0
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f t (1,691 m)near Rileyon
E l e v a t i o n sr a n g ef r o m5 , 5 3 0
t h e e a s t end of t h e f i e l d
t o 9,555 f t (2,922 m)
Mountains i n t h e central p o r t i o n o f t h e
field.
intheDatil
Much of t h e
Cretaceous rocks of t b region are o b s c u r e d by t h e T e r t i a r y
The combination of Cretaceous sandstones, shales,and
volcanics.
s i l t s t o n e s w i t h the T e r t i a r y v o l c a n i c s p r o d u c e s
a rapidly
changingtopography.
The C o n t i n e n t a lD i v i d e ,
7,990 f t (2,443 m),
a t a na v e r a g ee l e v a t i o n
of
r u n st h r o u g ht h ef i e l ds e p a r a t i n gt h e
east and
surface d r a i n a g eb e t w e e nt h eR i oS a l a d ot ot h e
t h e L i t t l e Colorado t o t h e west.
No p e r e n n i a l Streams
occur in this area.
Most of t h e f i e l d
zone,which
i s i nt h eu p p e rS o n o r a n
a t this latitude
floral life
is between 4 , 0 0 0 f t (f,223 m)
and 7 , 0 0 0 f t (2,140 m) i n a l t i t u d e , and r e c e i v e s a n a v e r a g e
a n n u a lp r e c i p i t a t i o n
45.7 cm)
.
of between 1 2 and 18 inches(30.5and
That portion above 7 , 0 0 0 f t (2,140 m) i s i n t h e
Wansitian zone.
The Sonor$zone
is d.laracterized by piiion pine,
ponderosa pine, junipar, scrub oak, and sagebrush.
Piiion pine, wmderosa
pine, and juniper are the only large trees growing i n west-central
N e w Mexico, a n d t h e y
s a n d yp l a c e s
grow mainly i n w e l l - d r a i n e d r o c k y
or
on t h en o r t h - f a c i n gs l o p e s .S a g e b r u s hp l a i n s
a n dg r a s s l a n d sc o v e rl a r g ea r e a s
where t h e r e i s i n s u f f i c i e n t
s o i l moisture t o s u p p o r t p i n o n a n d j u n i p e r .
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UNITS PENETmTED I N D R I L L I N G
DESCRIPTIONOF
Crevasse
Canyon Formation
The Crevasse Canyon was definedbyAllenandBalk
(1954)
a s a 420-700 f t i n t e r v a l of s e d i m e n t a r y r o c k s b e t w e e n t h e t o p
o ft h eG a l l u pS a n d s t o n ea n dt h eb a s e
Sandstone.
of t h e P o i n t
Lookout
The f o r m a t i o n w a s d i v i d e db yA l l e na n dB a l ki n t o
t h r e e members ( i n a s c e n d i n go r d e r )
t h eD a l t o nS a n d s t o n e
:
t h e Dilco Coal Member,
Member, andtheGibsonCoal
There i s a f o u r t h u n i t ,
i f thecontinental
Member (whichoccursnearGallup)
Member.
B a r t l e t t Barren
i s i n c l u d e d( S e a r s ,
P a r t s of A l l e n a n d B a l k ' s d e s c r i p t i o n s
1925).
of t h e d i f f e r e n t meinbers
are g i v e ni nt h ef o l l o w i n gp a r a g r a p h s .B o t ht h e
Dilco and
Gibson Members are c o n p o s e d o f c o n t i n e n t a l - t y p e d e p o s i t s .
Mineable q u a n t i t i e s o f
fieldsnearGallup,
The D i l c oC o a l
coal a r e found i n t h e s e u n i t s
i n coal
New Mexico.
Member (Sears, 1 9 2 5 )c o n s i s t s
of 240-300 f t
o fs i l t ys h a l e s ,l a m i n a t e ds i l t s t o n e ,c o a l s ,a n dt h i n medium-bedded,
to
medium- t of i n e - g r a i n e ds a n d s t o n e s .
Colors
are homogeneous i n i n d i v i d u a l b e d s b u t r a n g e f r o m w h i t e
p a l eo l i v e
brown.
Texturerangesfrom
to
coarse sand t o c l a y ,
most a b u n d a n t .S o r t i n g
w i t hf i n es a n da n ds i l t s t o n et h e
f a i r t o poor,andcementation
i s f a i r t o good.
is
O t h e rt h a n
p e t r i f i e d wood, no f o s s i l s h a v e b e e n r e p o r t e d .
The Dalton Sandstone Member (Sears,1934)
l o c a l i t y c o n s i s t s of 20-45 f t of s a n d w i t h i n
9
a t t h et y p e
an i n t e r v a l of
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f t , which is d i v i d e d i n t o
40-70
a l o w e rt r a n s g r e s s i v es a n d s t o n e
and a nu p p e rr e g r e s s i v es a n d s t o n e .C o l o r sr a n g ef r o mw h i t et o
is a fine- to
g r a y i s ho r a n g e .T e x t u r ei nt h el o w e rs a n d s t o n e
c o a r s e - g r a i n e dq u a r t zs a n d s t o n e .
The u p p e rs a n d s t o n ec o n s i s t s
sand.
of a medium- t oc o a r s e - g r a i n e d ,w e l l - s o r t e dq u a r t z
m a t r i x of b o t h s a n d s t o n e s
i s clay.
.,.
Member (Sears, 1 9 2 5 ) c o n s i s t s o f
The GibsonCoal
The
135-550
,member t h i c k e n s
f t o fs i l t ys h a l e s ,c o a l s ,a n ds a n d s t o n e .T h i s
southward as it r e p l a c e s t h e P o i n t LookoutSandstone.
colors rangefromyellowthroughgray
Rock
toblack(Allenand
B a l k , 1954).
GeologicStructure
The Datil Mountain c o a l f i e l d
lies along the southeastern
i n a low area between
edge o f t h e C o l o r a d o P l a t e a u p r o v i n c e
t h e Zuni u p l i f t t o t h e northwest and
on t h e east.
t h e Lucero-Ladron u p l i f t
The c o a l f i e l d a r e a i s s t r u c t u r a l l y complex,
e s p e c i a l l y a l o n g the southernendofthefieldwhich
coincides with the southern boundary of the Colorado Plateau.
The n o r t h e r n p a r t
of t h e f i e l d
o f t h e San JuanBasin.
is a synclinal extension off
T h i s p o r t i o no f
the field consists
o f the n o r t hp l u n g i n gM c C a r t y ' ss y n c l i n e( M a x w e l l ,
Erosionhasseparated
1976a).
t h e coal-bearingrocksoftheDatil
c o a l f i e l d from similar r o c k s i n
the San JuanBasin
to the
north.
The b e d d i n g i n t h e s o u t h e r n e n 3 of the f i e l d g e n e r a l l y
dipstothesouthoff
thesouth
t h e edge of the C o l o r a d oP l a t e a u .
t h e c o a l - b e a r i n g rocks a r e o v e r l a i n bya
10
thick
To
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volcanic rocks.
sequence. of T e r t i a r ys e d i m e n t a r ya n d
n o r t h - t r e n d i n g Laramide f o l d s c a u s e d e v i a t i o n s
Gentle
i n thegeneral
s o u t h e r l yd i pd i r e c t i o n s( C h a p i na n do t h e r s ,1 9 7 9 ) .F u r t h e r
complicating t h e s t r u c t u r e i n . t h e - s o u t h e a s t e r np a r t of t h e
from R i l e y t o P u e r t e c i t o , are a series
field,particularly
ofnorth-trending
normal f a u l t s and related mafic d i k e s
Rio Grande r i f t
formation o f t h e
whichdevelopedduring
'
( C h a p i na n do t h e r s ,1 9 7 9 ) .D i p si nt h eh i g h l yd i s t u r b e d
southeastern part o f t h e f i e l d
s o u t h ,w i t h
an a v e r a g eo fa b o u t
range from
3O
t o 45O t o t h e
I n t h es o u t h w e s t ,
15O.
across t h e Red Lake f a u l t , d i p s are g e n e r a l l y less, r e a c h i n g
less t h a n 5O t o t h e
a maximum of 20° b u t w i t h m o s t d i p s
south.Dips
of t h e f i e l d a r e
i n t h en o r t h e r np a r t
related
t o t h e g e n t l e n o r t h - p l u n g i n gM c C a r t y ' ss y n c l i n ea n df o rt h e
most p a r t are less t h a n l o o ( f i g . 3 ) .
COAL GEOLOGY
maps covering p a r t s of t h e Datil
Threequadrangle
f i e l dh a v eb e e np u b l i s h e d :
Dog S p r i n g s1 5 'q u a d r a n g l e
(Givens, 1 9 5 7 ) ,P u e r t e c i t o1 5 'q u a d r a n g l e( T o n k i n g ,1 9 5 7 ) ,
a n dt h e
Datil 3 0 ' q u a d r a n g l e( W i l l a r da n d
Givens, 19581,
Several o t h e r
however,noneemphasizecoalgeology.
q u a d r a n g l e s c o v e r i n g much of t h e e a s t e r n p o r t i o n of t h e
Datil coal f i e l d a r e b e i n g o r have been
s t u d e n t s ,u n d e rt h e
guidance of C.E.
To d a t e n o c o m p r e h e n s i v e s t u d y
mapped by g r a d u a t e
Chapin, NMBM&MR ( f i g . 4 ) .
of t h e Datil Mountain coal
f i e l d h a s been done.
.
Intheeastern
D a t i l Mountain f i e l d , t h e
area e a s t of
t h e Red Lake f a u l t , c o a l s are most e v i d e n ts o u t h w e s t
11
of
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GENERALIZED STRUCTURE MAP
after Dorton'C I922)..
&Moxwell( I 9 7 6 )
Explanation
Scale I:SOO,OOO
Datil
Figure 3
12
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I
,
Magdaleno
0
Quadrangles of DatilMountain
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0
Datii
0
FIGURE 4
1
Coal Field
13
Mogdoiena
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of P u e r t e c i t o , a n d i n t h e I n d i a n S p r i n g s
R i l e y ,s o u t h
a r e a .T h e s ec o a l
beds r a n g ei nt h i c k n e s s
a few i n c h e s t o 5 f t andoccur
t h eC r e v a s s e
andchange
Canyon.The
Canyon
on t h eo u t c r o pf r o m
Member of
in the Dilco Coal
beds a r e n o t l a t e r a l l y c o n t i n u o u s
i nt h i c k n e s sa b r u p t l y( C h a p i n
and o t h e r s , 1 9 7 9 ) .
Two h o l e s were d r i l l e d by t h e Bureau i n , t h i s a r e a , D-1 and D-3
( f i g . 5 ) . D-1 c o n t a i n s 7.9 f t of c o a la n db o t t o m si nt h e
GallupSandstone
a t 99.5 f t .W i t h i na n
13.-ft i n t e r v a l , 4.4 f t
of coal i s d i s t r i b u t e d i n 3 t h i n seams, t h e l o w e s t o f w h i c h
i s 11.8 f t a b o v et h et o po f
t h e Gallup;
t h i c k n e s s i n D-1 i s 1.3 f t , w i t h
I n 0-3, 8 . 7 f t o f c o a l
The average seam
a rangeof
0.9 t o 2.2 f t .
i s found i n d r i l l i n g 73 f t from t h e
2 1 f t , 1 3 t o 34
s u r f a c et ot h eG a l l u p .W i t h i na ni n t e r v a lo f
f t above t h eG a l l u p ,
6 . 9 f t o fc o a lo c c u r s .
as 3 seams.These
of 2.3 f t and a rangeof
beds haveanaveragethickness
1.6-4 f t .
Coal i n t h e w e s t - c e n t r a l
p a r t of t h e f i e l d , west o f t h e
Red Lake f a u l t , is best exposed i n t h e Onion S p r i n g s area
on t h e Wild Horse Canyon quadrangle(Winchester,unpublished
fieldnotes).
Tn t h i s a r e a c o a l
beds 2-5 f t t h i c k can be
traced a t least 2 m i a l o n g t h e canyon sides.
D-5 were d r i l l e d n e a r t h i s
=rea.
Holes D-4 and
I n D-4 t h e c o a l i s a l l
w i t h i n 66 f t of t h e s u r f a c e a n d c o n s i s t s o f
a t o t a l o f 6.5 f t
of c o a l , whichoccurs
as 2 seams rangingfrom
D-5 d i d n o t p e n e t r a t e
any c o a l . b e d s . i n d r i l l i n g 1 9 6 f t of
2.2
t o 4.3 f t .
Crevasse Canyon s t r a t a t o t h e t o p o f t h e G a l l u p s a n d s t o n e .
14
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DRILL HOLE LOCATIONS
+
Drill hole
D-2 Dril I hole # 2
Scale I: 500,000
12 w
I
I t
I
ID
I
9
s
2
f
RANGE
Figure 5
15
7
1
6
5
4
I
3w
The coal i n t h e
n o te x p o s e d .
far western p a r t ofthe
Drill hole D-2
is t h eo n l yh o l ed r i l l e di n
3.1 f t o f c o a l d i s t r i b u t e d
t h i sa r e a .T h i sh o l ec o n t a i n s
over a 1 9 f t i n t e r v a l .
The l o w e s t c o a l
field is generally
The 2 seams a r e 2 . 0 and 2 . 1 f t t h i c k .
is 7 1 f t a b o v e t h e t o p o f t h e G a l l u p .
Maxwell (1976a) r e p o r t e d t h i n c o a l s
outcropping i n t h en o r t h e r np a r t
(less,t h a n 2 f t )
of the f i e l d .
member of t h e C r e v a s s e Canyon F o r m a t i o n , t h e
i s covered b y ' l a n d s l i d e or t a l u s d e p o s i t s ,
The upper
Gibson Member,
from t h e basalt
capping Cebolleta Mesa and i s n o t b e l i e v e d t o c o n t a i n t h i c k
coals.
No d r i l l i n g h a s b e e n r e p o r t e d i n
t h i s p o r t i o n of t h e
Darll Mountain f i e l d .
Our p r e l i m i n a r y p r o g r a m i n d i c a t e s t h a t m i n e a b l e c o a l s
dooccur
i n t h e D i l c o Member of t h e Crevasse Canyon Formation.
More detailed mapping and d r i l l i n g is needed t o d e f i n e coal
o c c u r r e n c e st h r o u g h o u tt h e
field.
The areasmentionedabove
would serve as good t a r g e t a r e a s f o r f u r t h e r r e s o u r c e e v a l u a t i o n .
COAL PROSPECTS AND MINES
A number of small underground coal mines have operated
in this
field.
The coalproduced
h e a t i n g and may have been used
A description of what
thecoal
was p r o b a b l yu s e df o rl o c a l
by t h e smelters i n Magdalena.
i s known about mines and prospects in
field f o l l o w s .
16
A mine was r e p o r t e d by D.E.
quadrangle.
Winchester in the Puertecito
The p r o s p e c t was l o c a t e d i n sec. 8 , T .2 N . ,
on a 4 - 5 - f tb e do fc o a l .R e c e n tf i e l d
R.6
W.
work h a s f a i l e d t o
locate t h i s p r o s p e c t .
The Raney P r o s p e c t i s l o c a t e d i n Coal Canyon, 5ec. 1 8 ,
r e p o r t e d t o be on a 5 - f tb e d
was i n t r e s p a s s o n f e d e r a l
U.S.G.S.
mine was
i n the Wild H o r s e q u a d r a n g l e . T h i s
R. 1 W.
T.4 N . ,
The mine
of h a r d , b r i g h t c o a l .
coal l a n d a n d was c l o s e d by t h e
i n 1946 ( N i c k e l s o na n dF r o s t ,i np r e p a r a t i o n ) .F i e l d
work h a s l o c a t e d t h e c o l l a p s e d p o r t a l
of t h i s mine.Production
43 t o n s of c o a l were mined.
recordsindicate
A small unnamed mine o p e r a t e d i n sec. 26 and 2 7 , T.2 N . ,
R.4
W.,
s o u t h w e s t of R i l e y .
is anaditin
The l a r g e s t p a r t
of t h ew o r k i n g s
sec. 26 on a 4 - f t , 8-inch seam.
No records are
a v a i l a b l e on t h i s mine.
The E l C e r r om i n e ,s o u t h w e s to fR i l e y
T .2 N . ,
R.4 W.)
o p e r a t e di n t e r m i t t e n t l yf r o m
( S k , sec. 33,
1 9 1 7 t o 1940.
The c o a l mined was from 2 1 t o 27 i n c h e st h i c k .T h i s
p r o p e r t yp r o d u c e d
788 t o n s , a c c o r d i n g t o f e d e r a l r e c o r d s
( N i c k e l s o na n dF r o s t ,i np r e p a r a t i o n ) .F i g .
6 shows the
works of t h i s mine.
The Hot S p o t s mine (NWk, sec. 18, T. 1 N . ,
produced 85 t o n s o fc o a lb e t w e e n
and Frost, i n p r e p a r a t i o n ) .
thick.
R.5 W.)
1927 a n d1 9 3 1( N i c k e l s o n
The c o a l seam was 46 i n c h e s
The coals h e r eg r a d el a t e r a l l yi n t os i l t ys h a l ea n d
sandstone(Mayerson,
1979).
17
.\
\
';3 Prospect Stope Coved
Enfry
/:
Top of
EL CERRO MINE
Figure 6
18
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COAL ANALYSES
The a n a l y s e s given i n t h i s r e p o r t
are from c o r es a m p l e s .
Moisture r a n g e s from 0.61 t o 4 . 0 9 p e r c e n t , w i t h a n a v e r a g e
of
low m o i s t u r e i s p r o b a b l y due t o d j i n g
2 . 1 7p e r c e n t .T h i s
d u r i n gt h ed e l a yb e t w e e ns a m p l ec o l l e c t i o na n da n a l y s i s .
rank of t h e c o a l b a s e d
on h e a t i n g v a l u e
bituminous (ASTM, 1 9 6 7 ) .
The
is high-volatile A
for t h e s e
The r a n g eo fh e a t i n gv a l u e
coals is 11,725 t o 1 2 , 6 4 6 Btu p e r pound,withanaverage
of
12,157 B t u p e r pound.
The a s h c o n t e n t is p r e s e n t as d i s c r e t e p a r t i n g s
material i n t i m a t e l ym i n g l e dw i t ht h e
c o n t a i n8 . 8 5
coal i t s e l f .
or
The sampies
t o 1 6 . 3 6p e r c e n ta s h ,a v e r a g i n g1 2 . 7 5p e r c e n t .
S u l f u r c o n t e n t rangesbetween0.51and2.15percentand
i s due t o a v i s i b l e
a v e r a g e s 1.19 p e r c e n t .
The h i g hv a l u e
p y r i t ec o n t e n ti n
V o l a t i l e matter r a n g e s between
35.78and
D-1.
41.29 p e r c e n ta n da v e r a g e s
carbon ranges between
of 4 5 . 6 1p e r c e n t .
42.30and
47.58
38.50 p e r c e n t ; f i x e d
percentwithanaverage
T a b l e 1 l i s t s t h er e s u l t s
on samples from t h e p r o j e c t .
19
of t h ea n a l y s e s
=I""""""""
Table 1 .
Analysesof
coal d r i l l c o r e s
Proximate A n a l y s i s "
Core .Footage
Dl
-
D2
- 4447
D4 -
.D3
Ultimate A n a l y s i s *
8082 + 8385
0.61
16.03
35.78
47.58
66.85
4.95
1.24
2.75
12,238
5.07
65.54
42.30
39.90
16.36
1.44
6267
810
+
6669
1.34
0.81
11,725
2.52
9.65
41.03
46.80
70.14
5.39
1.30
0.60
12,646
4.09
8.85
41.29
45.77
68.47
4.99
1.35
0.51
12,017
N
0
Forms of S u l f u r *
TP
o tyarO
li trigc aSnuilcf a t e
0.72
D l 2.02
2.75
0:Ol
D2
0.91
0.28
0.58
0.01
D3
0.69
0.05
0.64
0.00
D4
0.51
0.04
0.45
0.02
* a s r e c e i v e d basis; v a l u e s i n p e r c e n t e x c e p t
Example:
Dl
-
8082
+
8385 Drill hole #1
for Btu
-
80 f t to
82 ft
+
83 f t t o 85 f t
.REFERENCES
A l l e n , J . E . , and B a l k , R . , 1 9 5 4 ,M i n e r a lr e s o u r c e s
of Fort
Defiance and Tohatchi Quadrangles, Arizona and
New Mexico:
New MexicoBureau of Mines andMineralResources,
B u l l . 36,
1 9 2 p.
American S o c i e t y for T e s t i n g a n d Materials, (1967) , Standard
s p e c i f i c a t i o n s f o r c l a s s i f i c a t i o n o f c o a l s by rank (ASTM
D e s i g n a t i o n D 388-66) i n Gaseous f u e l s ;c o a la n dc o k e ,
P h i l a d e l p h i a : 1967 Book o f ASTM S t a n d a r d s , P t . 1 9 , p . 73-78.
Chapin, C.E., Osburn, G.R., Hook, S.C., M a s s i n g i l l , G.L. and
F r o s t , S.J., 1 9 7 9 , Coal Uranium, O i l and Gas P o t e n t i a l of
t h eR i l e y - P u e r t e c i t oa r e a ,S o c o r r oC o u n t y ,
New Mexico, 33 p.
Dane, C.H., Wanek, A.A.,
andReeside,
J.B., Jr., 1957,
R e i n t e r p r e t a t i o n of s e c t i o n of Cretaceousrocks 5n Alamosa
New Mexico:
Creek Valley area, Catron and Socorro Counties,
Geologists B u l l . , v. 4 1 ,
AmericanAssociationPetroleum
no. 2 , p. i81-196
1 9 2 2 , G e o l o g i c s t r u c t u r e of p a r t s of New Mexico:
Darton, N.H.,
U . S . GeologicalSurveyBull.
726-E, p. 173-175
Darton, N.H.,
1928,' "Red b e d s "a n da s s o c i a t e df o r m a t i o n s
in
New Mexico: U . S . GeologicalSurvey,
B u l l . 794, 356 p.
F o s t e r , R.W.,
1 9 6 4 , S t r a t i g r a p h ya n dp e t r o l e u mp o s s i b i l i t i e s
of CatronCounty, New Mexico: New Mexico Bureau of Mines
54 p .
andMineralResources,Bull.85#
G i l b e r t , G.K.,
1875,Report of t h e Geologyofportions
of New
Mexico andArizonaexamined
i n 1873:Geology
of U . S .
GeographyandGeologicSurvey
west o f 1 0 0 t h m e r i d i a n ,
V. 3 , p. V, p. 503-567
Givens,David B., 1957,Geologyof
Dog S p r i n g sq u a d r a n g l e :
New Mexico Bureau o f Mines and Mineral Resources,
4 0 p.
Bull.58,
21
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1
I
I
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I
I
I
I
Herrick, C.L.,
1900,Reporton
a geologicalreconnaissancein
wes, t e r n Stocorro and Valencia Counties,
New Mexico:
American G e o l o g i s t s , v. 25, p. 331-346
Hook, S . C . ,
and Cobban,
W.A.,
1 9 7 7 , Pycnodonte
- newberryi
( S t a n t o n ) Common Guide Fossil i n Upper C r e t a c e o u s of
New Mexico:
New'Mexico Bureau of Mines andMineralResources,
AnnualReport-July
Jackson, R.A.,
I, 1 9 7 6 , to J u n e 30, 1 9 7 7 , p. 48-54.
of t h e P u e r t e c i t o -
i np r e p a r a t i o n ,t h eg e o l o g y
L a Cruz Peak area, SocorroCounty,
New Mexico:
I n s t i t u t e of MiningandTechnology,
unpub. M.S.
M a s s i n g i l l , G.L.,
1979,Geology
New Mexico
Thesis
of t h e R i l e y - P u e r t e c i t o area,
s o u t h e a s t e r n m a r g i n of t h e Colorado P l a t e a u , Socorro 'County,
New Mexico:
U n i v e r s i t y of Texas, E l Paso, unpub. Ph.D.
D i s s e r t a t i o n , 272 p.
Mayerson, D.L.,
1979,Geology
a r e a ,S o c o r r oC o u n t y ,
of Corkscrew Canyon-Abbe S p r i n g
New Mexico:
MiningandTechnology,unpub.
Maxwell, C.H.,
M.S.
New Mexico I n s t i t u t e of
Thesis
1 9 7 6 a ,S t r a t i g r a p h ya n ds t r u c t u r eo f
r e g i o n , New Mexico:
the Acoma
New Mexico G e o l o g i c a lS o c i e t y ,S p e c i a l
P u b l i c a t i o n #6, p. 95-101
Maxwell, C.H.,
1976b, Geologic map of t h e Acoma PuebloQuadrangle,
ValenciaCounty,
N e w Mexico:
U.S.
Geological Survey, G.Q.
New Mexico S t a t e I n s p e c t o r o f Mines,1923-1965,AnnualReport
the Governor of New Mexico:Albuquerque
of t h e State I n s p e c t o r of Mines.
22
1298.
to
N e w Mexico, Office
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Nickelson, H.B.,
a n dF r o s t ,
i n pr.ep.,History
S.J.,
. Mining i n New Mexico:
New MexicoBureau
of Coal
of Mines and
Mineral Resources
1 9 4 7 , I n t e r t o 5 g u i n gm a r i n e , a n dn o n m a r i n eu p p e r
P i k e , W.S.,
Cretaceous d e p o s i t s of New Mexico, Arizona,andsouth-
western C o l o r a d o :G e o l o g i c a lS o c i e t y
Men?.
of America,
2 4 , 103 p.
Sears, J.D.,
1 9 2 5 , GeologyandCoalResources
ZuniBasin,
New Mexico:
of t h e G a l l u p -
U.S. GeologicalSurvey,Bull.
767,
5 3 p.
Sears, J.D..,
1934, The c o a l f i e l d fromGallupeastwardtoward
M o u n t . T a y l o r ,w i t h
r o c k sn e a rN a v a j o
a m e a s u r e ds e c t i o n
Church:
U.S.
of Pre-Dakota
(?)
GeologicalSurveyBull.
860-A, p . 1-29
Tonking, W . B . ,
1957, Geology of t h e P u e r t e c i t o q u a d r a n g l e ,
SocorroCounty,
New Mexico Bureau of Mines
New Mexico:
andMineralResources,Bull.
W i l l a r d , M.E.,
andGivens,
41, 6 7 p.
D.B.,
1958,Reconnaissancegeologic
map of D a t i l Thirty-minuteQuadrangle:
of Mines andMineralResources,
Winchester,Dean.E.,
SocorroCounty,
G.M.
New MexicoBureau
5
1 9 2 0 , Geology of Alamosa Creek V a l l e y ,
New Mexico, w i t h s p e c i a l r e f e r e n c e t o
t h e o c c u r r e n c e of o i l andgas:
B u l l . 716, p. 1-15
23
U.S.
GeoZogicalSurvey,
fiPPENDIX I
Location and Graphic Columns of Drill Holes
24
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Location of Drill Holes
Ground
Level
x01.e Number
D-1
NEkSWk sec. 26, T. 2 N , , R. 4 W.
5620
D-2
SW%SWk sec. 1 5 , T. 4 N.,
R. 11 W.
7470
D-3
NEkNEk sec. 30, T. 4 N.,
R. 7
0-4
NE%XWk sec. 2 , T. 4 N., R.
D-5
NWkSEIS sec. 29, T. 3 N.,
W.
10 W.
R. 9
W.
6585.
763a
7145'
D-l
D-2
D-3
D-4
D-5.
7470'
7630'
7145'
6585'
5620.'
2.2
1.8
0.9
I .O
0.6
1
e.3
0.4
2.1
1.1
1.6
4.0
4.8
1.6
2.2
1.2
1.0
I f a h a l e
Gxaphic Columns of Drill Holes
Figure 6
25
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A P P E N D I X I1
Maps of D r i l l H o l e
26
Locations
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RILEY
QUADRANGLE
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. _
BONINE
CANYON
28
QUADRANGLE
.
E
.
*.
PUEBLO VlEJO MESA QUADRANGLE.
I
.
..
29
.
.
. .
.
_ .
WILQ HORSE CANYON QUADRANGLE
.
30
.
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PA-STURE CANYON QUADRANGLE
31
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APPENDIX I11
Description of C u t t i n g s and Cores
32
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Drilling
SampleLog D-1
NE%SW% sec. 2 6 , T.
2 N.,
R.
4 W.
Coal:
Type
Footage
Rock
O"6'
Shale, gray-brown to dark gray
6'-9'
Siltstone, reddish-brown, clayey, well'
cemented
9'-10'
Sandstone, fossiliferous, calcareous
10'-16'
Sandstone, yellow, fine-grained
16'-20'
Shale, grayiskbrown, carbonaceous
ZO"20.3
1
COAL
0.3'
20.3'-22.5'
Shale, brown, carbonaceous
22.5'-25'
Sandstone, yellow, very fineto fine-grained
25'-26'
Shale,
26'-27'
Sandstone, brown shaly
27'-31'
Shale, gray-brown, carbonaceous
31'-33'
Shale, dark-brown, coaly
331-34'
Sandstone, yellow, fine-grained, carbonaceous
at top
34'-40.5'
Shale, gray, sandy at base, contains gypsum
40.5'-41'
Sandstone, yellow, fine-grained
41'-42'
1
brown,carbonaceous, sandy, contains gylJsum
Shale, gray
42'-44'
Sandstone, gray, fine-grained, well-cemented
441-45'
Shale, dark-brown, coaly
451-47'
Shale, gray, silty
471-47.5'
Shale, brown, coaly
47.51-54'
Shale, gray, silty
541-54.5'
COAL
54.51-57'
Shale, brown, carbonaceous
57'-61.5'
Shale, gray, carbonaceous
0.5'
33
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Coal
Thickness
Footage
Rock Type
61.5'-66.5'
Sandstone, gray, silty
66.5'-68.5'
COAL
68.5'-69'
Shale, dark gray-black, carbonaceous
69'-71.5'
Sandstone, gray, fine-grained,, contains
clay chips
71.5'-72'
Shale, gray, sandy
72'-73'
Siltstone, dark-gray
73'-75'
Sandstone, light-gray, fine-grained,
well-cemented
751-77'
Siltstone, gray, carbonaceous, ShalY
77'-81'
Shale, dark gray, silty
2.0'
I
2.5', damp
a1'-83.s'
COAL
83.5'-84
Shale, dark, brown, coaly
84'-85.5'
COAL
85.51-86'
Shale, brown, coaly
861-87'
COAL, shaly,
87'-88'
Shale, brown, coaly, silty
88'-92'
Shale, dark-gray-black, carbonaceous
92'-92.5'
Shale, black, coaly
92.5'-94
COAL,
941-96.5'
Shale, dark gray-black, coaly
96.5'-119'
Sandstone, gray, well.-cemented, making water
119'-122'
Sandstone, gray, softer, shaly
1.5'
1.0'
1.5'
shaly,
T. D.
34
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Drill
Sample
Log
D-2
SE%SW%sec. 15, T. 4 N.,
R.
11
w.
Coal
Thickness
Footage
Rock
O"4'
Alluvium, grayto brown
41-91
Sandstone, yellow-gray, weathered
9'-18'
Sandstone, white-gray,well-sorted, finegrained, thin-bedded, mica
18'-24.5'
Shale, yellow-gray, mica
24.5'-24.6'
COAL, black, bright
24.6'-36'
Shale, black-brown,less carbonaceous
towards base
36'-41.5'
Sandstone, white-gray, fine-grained, poor
sorting, interbedded clay
41.5'-43'
Shale, black-gray
43'-,448
Sandstone, gray-brown, thin bedded,
poorly sorted
44'-46.1'
COAL, black, shale partings
46.1'-46.7'
Sandstone, gray, poor sorting
46.7'-47'
Shale, brown-black
47'-50'
Sandstone, gray, thin-bedded, fine-grained
531-54'
Shale, gray
54'-58'
Sandstone, gray-black, thi.n-bedded, finegrained, pyrite
58'-74'
Shale, gray-black, banded
74"77'
Sandstone, gray-black, calcite
77'-82'
Shale, gray-black,thin, l", coal interbedded
82 '-89 '
89'-92'
'
Type
'
Sandstone, black, interbedded shale
Sandstone, white-gray, thin-bedded, shale,
gray, interbedded
35
0.1
2.1
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Coal
Thickness
Footage
Rock
92'-94'
Shale, gray-black, thin coal, block
941-98'
Sandstone, white-gray, thin-bedded, finegrained, thin coal %"-2?
.
98'-113'
Shale,
113'-113.5'
COAL, black
113.5'-115'
Sandstone, white-gray, fine-grained,
well-sorted
115 * -118'
Shale,
118'-126'
Sandstone, gray-black, fine-grained,
poor XY sorteiX
126'-139'
wellSandstone, gray, fine-grained,
ssrted
139'-150'
Sandstone, gray,H20
per min.
i50'-165'
Sandstone, g m y , vuggy, lost circulation
Type
gray,
black,
thin
cotii %"
0.5
-thin
carbonaceous
T. D.
36
C d S
%"-I"
- 5-10 gal
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~
1
"
.
",
-.
,
-.-, -.. -
...
Coal
Footage
Rock Type
O"5'
A l l u v i u m , s h a l e ,g r a y - b l a c k ,c a r b o n a c e o u s
5'-10'
Shale,gray,-black
10'-13%'
S h a l e ,b l a c k ,
13%'-15'
COAL, b l a c k , b r i g h t ,
15'-33'
Shale,gray-brown
33"33%'
S i l t s t o n ei n t e r b e d d e d
brown, thin-bedded
33%'-41%'
Sandstone,white-brown,fine-grained,
sorted
41+'-43'
COAL, b l a c k ,b r i g h t
438-57'
S h a l e ,g r a y - b l a c k
57'-58.5'
COAL, b l a c k
58.5'-60.6'
S h a l e ,g r a y - b l a c k
60.5'-64.5'
COAL, b l a c k
64.5'-75'
S h a l e ,g r a y - b l a c k
75"79'
Sandstone,brown-white,fine-grained
79"lOO'
S a n d s t o n ei n t e r b e d d e ds h a l e ,y e l l o w brown, f i n e - g r a i n e d
T.
Thickness
carbonaceous
good cleavage
sandstone, yellow-
.
well1.5
1.5
4.5
D.
.
1.5
37
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Driil
Sample
Log
0-4
NEkSWk sec. 2, T. 4 N.
,' R.
10 W.
Coal
Thickness
Footage'
Rock
Type
0-4
Shale, gray
4-6.5
Sandstone
6.5-7.5
Sandstone, tan, coal fragments
7.5-8.5
COAL
8.5-20
Shale, gray
20-25
Shale, gray
25-30
Shale, gray-green
30-33.5
Shale, carbonaceous
33.5-37
Shale, platy , dark-gray
37-37.5
COAL
37.5-40
Shale, carbonaceous
40-54
Shale, dark green,
2 3" sandstone
clay partings
54-60
Shale, dark-gray
60-63
Sandstone, light-gray
63-64.5
Sandstone, very hard
64.5-67
Sandstone, very hard with shale partings
67-69
Shale, dark
and coal
69-73.5
COAL
73.5-74
Shale, dark-brown
74-75
Sandstone, tan
75-80
Sandstone, light-gray, some. shale partings
1.0
'
0.5
gray
with
partings
,
stringers
sandstone
4 ..5
38
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Coal
Thickness
Footage
Rock Type
80-91
Shale, dark-gray, sandstone, E;il.tstone
91-97
Sandstone, thin, gray, and shale beds
97-108
Sandstone, light gray, fine-grained
108-111
Shale, dark gray-green, well-indurated
111-120
Sandstone, 'light-gray marine
T. D.
39
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Drill
SampleLog D-5
NW%SE)a sec. 29, T. 3 N., R. 9 W.
Coal
Thickness
Footage
Rock Type
0-7
Sandstone, greenish-tan, fine-grained,,
cementation increases with depth
7-7.5
Shale, brown
7.5-11
Sandstone, fine-grained, gray, wellindurated, shale partings
I
11-16.5
Shale, tan yellow
16.5-18.5
COAL and
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18.5-25
Shale, soft, yellow green
25-31.5
Shale, soft, dark-green (moist)
31.5-33
Shale, light-brown, organic fragments
33-34
Yellow-brown
34-34.5
Shale, carbonaceous
34.5-36
COAL
36-38
Shale, carbonaceous
38-44
Shale, dark-gray, with organics
44-45
COAL
45-47
Shale, carbonaceous
47-50.5
Sandstone; well-indurated, very fine-grained,
light-gray
50.5-51.5
Shale, dark-qray
51.5-52
Shale, carbonaceous
52-53
COAL
53-57
Shale, gray
57-61
Shale, carbonaceous
61-65
Shale, dark-gray, soft
carbonacedus
shale
(moist)
2.0
silt
1.5
1.0
1.0
40
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Coal
Thickness
Footage
Rock
65.-66.5
Shale, gray
66.5-67.5
COAL
67.5-68.5
Shale, gray
68.5-83
Shale, dark-gray
83-86
Siltstone, gray
86-87
Sandstone, light-gray
87-90
Siltstone, dark-gray, alternating
with sandstone
90-91
Type
1.0
. Sandstone
91-92
Sandstone, medium-grained, brown
92-93
Siltstone, gray
93-94
Sandstone, gray, fine-grained, pyrite
94-94.5
Siltstone, dark-gray
94.5-98
Sandstone, laminated, gray-gseen, finegrained, moist
98-100
Shale, dark-gray
100-107
Sandstone, gray-green, fine-grained, moist,
weakly laminated
107-108
Shale, carbonaceous
108-114
Shale, gray
114-115
Sandstone, gray-green, fine-grained, moist
115-120
Shale, gray
120-122
Sandstone, gray-green
122-123
Sandstone, coarse, wet
123-145
Sandstone, gray, water 129.5
145-147
Sandstone, gray, with coal fragments
147-148
Sandstone, dark-gray, fine-grained
148-155
Shale, dark-gray
41
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Footage
Rock Type
155460
S i l t s t o n e ,g r a y
160-171
S h a l e ,d a r k - g r a y
171-185
S a n d s t o n e ,g r a y - g r e e n ,f i n e - g r a i n e d ,
coal f r a g m e n t s
184-190
S h a l e ,d a r k - g r a y
190-196.5
S h a l e ,d a r k - g r a y ,s a n d s t o n el e n s e s
196.5-212
S a n d s t o n e ,g r a y - g r e e n ,f i n e - g r a i n e d
T. D.
Coal
Thickness
Core
Description,
Drill
Hole
Dl
sec. 26, T.2N., R.4W.
(interval cored 79.5' 97'1
-
Rock
Footage
Type
79.5
-
80.3
Siltstone, medium dark gray (N4), carbonaceous,
with sandy flaser bedding, coaly and pyritic
at
base
80.3
-
81.8
COAL,
81.9
Shale, yellowish gray (5Y 7/2), coaly, very
pyritic
82.0
COAL, black (Nl), medium, moderate banding
82.1
of pyrite
COAL, black (Nl), bony; nodules
82.3
COAL, black (Nl), pyriticat base
83.3
Shale, dark gray (N3), carbonaceous, poorly
laminated, bioturbated
81.8
82.0 82.1 82.-3 -
81.9
black (Nl), thin to medium
moderate
banding
83.3
-
84.5
COAL, black (Nl), thin sparse to moderate banding,
pyrite grains along bedding planes
84.5
-
85.6
Shale, dark gray (N3), carbonaceous, coaly, 'shows
root tubesor bioturbation
86.0
, thin banded
COAL, black (Nl)
88.0
4/1)
Shale; olive gray (5Y
88.0
-
91.7
Shale, dark gray(N3) to medium dark gray (N4),
silty, upper part shows bioturbation, lower part
has carbonaceous trash and leaf impressions
91.7
-
92.4
Shale, grayish black (N2), very carbonaceous, wit?
abundant carbonaceous trash and leaf impressions
92.4
-
92.5
COAL, black (Nl), thin banding, with sparse pyrite
cubes
92.5
-
94.9
Shale,, olive black (5Y 2/1), poorly laminated,
bioturbated, carbonaceous and pyritic
94.9
-
95.6
Sandstone, light gray (N7), very fine to fine
grained, interlaminated with siltstone, medium
dark gray (N4)
85.6
86.0
43
Footage
95.6
- 96.6
96.6
- 97.0
Rock Type
Sandstone, light gray (N7), fine to very fine
grained, non-ca1careous;with
a few carbonaceous
laminae
Siltstone; medium light gray (N6), with
interlaminated sand
44
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Core Description, Drill Hole
D2
sec. 15, T.4N., R . 1 1 N .
43')
(interval cored 40'
-
Footage
40
- 41.7
Rock
Type
Shale, medium gray(N5), carbonaceous, silty
41.7
-
43.0
S~ltstoae,light gray (M7), with carbonaceous
laminae and thin calcite filled fractures
43.0
-
44.2
Shale, brownish-black (5YR 2/1), very carbonaceous,
shows slickensides
biotrubated
44.2
-
44.5
COAL, black (Nl), shaly', contains small pyrite
-
crystals
on
bedding
planes
44.5
-
46.5
COAL, black (Nl), bright, thin to medium moderate
banding, contains a few pyrite crystals
46.5
-
46.8
Shale, brownish-black( 5 U R 2/1), very carbonaceous,
coaly
47.2
COAL, black (Nl), bright, banded
47.8
Shale, brownish-black (5YR 2/11, very carbonaceous,
coaly, bioturbated; contains abundant pyrite
47.2
-
47.8
-
48.7
Shale, medium gray( N 5 ) , silty, slightly
carbonaceous
48.7
-
49.0
Core lost
46.8
45
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Core
Description,
Drill
Hole
D3
sec. 30, T.4N., R.7W.
(interval cored 12' 6 7 ' )
-
Footage
Rock
0-12
Not cored
12-21.5
(5Y 6/11, light
Shale, light gray, silty shale
tan, micaceous, carbonaceous, coaly root tubes
with'iron stainingon edge: carbonaceous &hale,
( N 5 ) , medium gray, near base: entire sequence
65%
broken up during retrieval, approximately
recovered
21.5-23.6
Silt ( 5 Y 5/6)
23.6-24.0
Shale (5Y 4/1), olive,gray, calcite inclusions,
possible pelecypod impression
24.0-26.6
Shale (N5), medium gray, carbonaceous
26.6-29.1
(5Y 5 / 6 ) , micaeous
Shale, silty, light olive brown
29.1-31.6
Shale (E341
21.5
Type
-
31.6
, micaeous,
well indurated
light gray, clay clasts, interval
(90% complete)
32.0-40.5
coal
Sandstone, silty ( 5 Y 6 / 1 1 , light olive gray,
fragments, micaeous, iron staining along
fractures, coarsening downward, carbonaceous
shale partings
40.5-41.6
Shale (N5), light gray, coaly inclusions, iron
staining along fractures, well indurated, CaC03
inclusions
41.6-47.7
Carbonaceous shale
41.7-41.8
Shale ( N 3 ) , carbonized plant remains
41.8-42.4
COAL, black, crumbled, pyrite along cleats
42.4-44.0
Shale, brownish-black(5YR 2/1) , 'very carbonaceous,
coaly at top, bioturbated (coaly root tubes, and
slickensides)
44.0-49.7
Shale, medium dark gray
(.N4-5), carbonaceous,
bioturbated(coalyrootlets)
'
'
49.7-50.4
Siltstone, light gray(N7) with interlaminated
shale
50.4-52
Shale, medium gray( N 5 ) , carbonaceous
46
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Footage
Rock Type
52-61
ShaLe (N5), medium gray, only 3' present,
mostly crumbled high clay content: 30% recovered
61-62
Shale, gray (N6), silty, carbonized plant material,
laminations of carbonaceous shale, frequency of
carbonized plant' material increases towards bottom
62-66.9
COAL:
66.9-67.0
Sandstone (N3), carbonaceous stringers
all sampled
47
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Core Description, Drill Hole D4
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. sec. 2, T.4N., R.1OW.
(intervals cored8.5'
10' and 66.5'
-
Footage
8.5
9.8
- 9.8
- 20.0
Rock
75.5')
Type
COAL, black (Ml), bright, highly fractured
Shale, brownish-gray(5YR 4/11 to brownish-black
(5YR 2/11, very carbonaceous
END RUN I
START
RUNI1
-
70.5
10.5
-
13.0
Shale, medium light gray (N6)
to dark gray (N3),
darker where more carbonaceous; poor recovery (25%
73.0
-
75.5
Siltstone, greenish gray
(5G 6/1), shaley with
some very fine sand and dark carbonaceous
66.5
COAL, black(Nl), bright, banded, highly
fractured; recovery not very good (66%)
END RUN XI
I
I
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I
-
48
lamina
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APPENDIX V
Geophysical. Logs
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49
CENTURY GEOPHYSICAL CORP
6650 EAST APACHE
TULSA,OKLAI-IOMA 74115
-.
L
"
"
REsl§TlVlTY
"-
~
~
INITIAL RUN
CONSTANT
TIME
I
I FROM
/LOGGING SPEED
CALIBRATION h PROBE DATA
SOURCEVALUE
Mvlln
--
CENTURY GEOPHYSICALCORP,
6650 EASTAPACHE
TULSA, OICI,AHOMA 74115
EQUIPMENT DATA
1
I
I
OPERATOR
DATE
UNtT NO.
FIELD OFFICE
CENTURY GEOPHYSICAL CORPORATION
Tu Isa, Oklahoma
7727
I
EQUIPMENT DATA
HOLE DATA
1
I
I
I-
REMARKS:
z
0
c
I
e
.
"
Tulsa, Oklahoma