.
EtDLIIC MAP
F ThE CllllE CREEK AEEA
E8AKEE CWJllTY, liEtII
PLATE
1
EXPLANATION
BEDDED ROCKS
ieI
e
Sand silt
and gr avel Ilepnsited in
prnaeat valleys and an Snake
Ricer terraces,
ALLUVIUM.
I
r
OOATERNARY
Tbd
Q
t_'4
?85
N
j
\
'
, I
) :
'
\
T:dI49
)Tbe
-
/
\ A
b
'
7
j
i
-
Ui
I
Ppq
/
Ib
Ib
Pnbhle Is algbIe size Iraymenlo 01
basal I and pee-Tertiary rnck within a
tUlfatenilS mat r ix
Incorporates chilled
vaIcaai
..-.
sorties
arraerlyleg basalt flow
Locally Iessi plant
material taund
Three In five feet of
In thin-bedded snndatsnn tnps this onit.very. thin
3
I
, ;
/
NFORMITY
,,
I'D MIDDLE
JURASSIC
I?)
ncipienlly metamnrphosed laminated
In very thi clr-hedded graywacke
and slate.
Cantains
iatratnrmational cantlomerates and mitten cashrinacenus
I'IETAGRAYWACKE.
I?)
S'ate
09
HH
Topogro hic map based upon
0
018
0.7
1000
05
018
5.4
0.3
0
Il
0.2
4
2000
58
12
14
)
--
38
71
5005
I
1000
__
{
,
(
I
Ppql
Ppq
.
7
PERMIAN
::
I?)
NILSON MARBLE
:
Laminaled to massive
.
\
14f
parlly
marble,
istose, interbeddnd and deformed with
Bliached and silicated at Kqd contact.
Pmq
-
Ppq
MI'R0QUARZITE
Thin-bedded chent lacking
palS ings
Loca Ity brocciated
.
micaccous
.
MAdOLE.
Is
Pods of marble within Ppq distinct team Pn.
MILES
INT080IVE ROCKS
MN
FEET
/
{
{
GENERALIZED GEOLOGIC SECTIONS
Saker/
LATE JURASSIC
'oa-
H
Ill
OR
EARLY CRETACEOUS
I?)
N 49W
INDEX MAP
Pq
Ppq
PS.
,'__$_ _J
Flr
4500
-
4800
-
4000
-
3600
JEer
2800
6000
Pr5
NL/
--
-
Tkst
-
Pe
S
--------
A's,
IEOO
1IL'
I
r
.
xennliths of amphibulitn
I!0#'r.
PAT!Tt uopniwriy.
.fKai r
ALPINESTYPE INTRUSION.
LFL
r---.. _..._
.
/
Pc
1k
5200
!
E
I
en
/
,1
IJI
41
/
and
Ppq,
Pt.,0 - .n.1i_ -In5 1.iil rii_ :l.0
coarse -Rrained andnsinn and frnrnlsfende pireoncrysls
within a micregranolar matnin.
Inteesely sheared. carbonallied and steatitized seepenlinite
cnntainirrg pods
nf chromite and ioclusinns of aodesite
and diorite.
l.ncally neined with qoart: and hrecciated.
Cinnabar
mine ralization local is ed in this anie . JK indicates
stEaL
METAISIORITE
Plugs at digrite metamorphosed tn greenschist
Probable members of the Canyon Mnuolain Magma
tacies.
nrd
,
S en ins
'_ I
.
-
I
,
i'
SYMBOLS
GEOLOGY BY1
B
6400 CIII
-:
L_____i
2000
Pn
N86E
i
of
2400
r
I
Stock consiseing primarily
medium-grained quart z diarite with distinctive
cnaroe bintile . Gabhro and hornhlende diorite
found aletug contuct none in snc, 29 and sec. 32.
T. I t 5. ,
45 E. Cut by aplite dikes and centains
md
EARLY OR MIDDLE
TRIASSIC I?)
B
I
intruding
ate of tectonic ernplacneoeot
- 3200
/
Kqd
QUARTZ DIORITE.
5200
-
Probabtn feeder dikes for Tcr.
Tcr and Ttb.
II1
;,
5600 nEll
rrsr-
.
TIns ,
Aphanilic cc tine .0nained and IcIly.
BASALT SILL. Sill of porphyritic basalt
lYl
UTM grrd and 957 magnetic
north declination
EeLs
BASALT DIKES.
Kqd
CRETACEOUS
eien1040
Thd :
TERTIARY
datum s mean sea level
-
PIYLLITIC QUARTZITE. Highly cnnlarted mry thinbtddtd chnrl separated by micaceas partings.
Grades
ietn quaetr phjllite
Ptobabln correlative Is She
Ekhnrn Ridte Argillite.
CONTOUR INTERVAL 80 FEET
MOP(
cleanage prominent.
MS
1
OREG ON
Slaty
.
I
sc_in
A
\
JKdp )
\
.s
.
UNCONFORMITY
r
.
,
.
i:
\
,
glass
40
f
Li
,
-
lUFF- BI1ECCIA.
:
I
1r
/Rt
)
x
/
t
Mineral Quadrangle
7
A
\t
\
\\'/V-\
I
yv
Ourkee Quadrangle
Th'N
Ppq
(
?
[
H
Kqd
J
J
:-
3k
°
\(
/31
Cnlamnar jainled basalt
Ilaws mmmcclv parplry nIle and diktytaxilic.
.
t
I
\
I
J
\" I
i
COLUMBIA RIVER BASALT.
Jmg
1
:
1b
I
5)
\
_
----
TERTIARY
:
L
j
(
J
B )
\
I
I
\I 452
;
icr
/
'
J ,
o
)
I
cr
icr
11
I
j
i
ad i Cated
UNCONFORMITY
g
1111 :
(t1
I
f
EARLY
1
t
J/
Pn
k\
t
\
4)
Tbd
;
/
al
1
Tbd
;<
I/
t)
a'
1
QaI
Ttb
u
I
,
_
j
Landsl des 4nd slemp blacks.
Mains
I 8
parentheses where appropriaae.
rnck types
[:---;:------1
d
c
i!
T(
_
)
Qa
,
LANDSIIOES.
Ills :
(2l
)\
I
GREGORY M. COX
OREGON STATE UNIVERSITY
-5----
Contacts1
Apprnoimate
FIELD WORK:
SUMMER, 1972
'
Nnrmal Faolts
Appronimater
-------5-
tottered
Inferred r
Concealed
Concealed
4800
4400
'
Rnerse Fault
(U ,
:
(Sawtenth no rapthrowo side)
4000
nptlrtnwn sidn ; 0, downthrown old n )
3600
Ppq
3200
Strikn and dip nI bedding
__u.!
Strike nt nertical bedding
Strike aod dip of slaty cleaoa0e
__a
Strike and dip of jointintr
_!
Strike of vertical slaty cleanage
Steihe of vertical joieting1
Trend and plunge
___y_re
S'
2800
2400
ppq
I
5-
2000
Mercnry peospndlr
ci fold asic
,z
Inn
___
...
Zone of sheaein8
Possil localley
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