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Module 7: Geology Information
7.1 Stratigraphy.
a)
Coal vein(s) to be mined (e.g. Mammoth)
How were coals identified? (e.g. published map, adjacent mining, etc.)
b)
Provide Geologic Logs of all test holes or highwall sections on Module 7.1(B) "Geologic Log/Drill Holes or
Highwall Sections'. Log description must include the actual surveyed surface elevation of each hole, bottom of
coal elevation, water conditions (static water level and levels where water was encountered), and a lithologic
description and thickness of each strata encountered. Drill holes for each coal seam to be mined must be
located to penetrate the maximum thickness of overburden to be disturbed.
c)
Provide stratigraphic correlation of all strata by a series of geologic cross sections to include lithology,
stratigraphy, existing ground surface, proposed depth of mining, monitoring wells, water supplies, final
reclamation line, veins to be mined, and all mine pools or aquifers to be encountered or affected and directions
of mine pool/groundwater movement. [Horizontal scale shall not be smaller than the scale of Exhibit 6.2 (i.e. not
less than 1 inch: 400 feet, or 1 inch: 200 feet), larger scales are acceptable (e.g. 1 inch: 100 feet); vertical
exaggeration must be adequate for the purpose served and not excessive.]
7.2 Structure.
a)
Describe the local geologic structure and its relationship to the regional structure. Use diagrams and regional
structural relief maps where applicable.
b)
Describe folding as it applies to this site:
Strike of fold axis
Plunge of fold axis
Location in relation to proposed mining site:
c)
Attitude of bed rock including coal:
Unit Name
Strike
Dip
7.3 Attitude and characteristics of joints, faults, fractures, or other linear structural features.
Strike
Dip
7-1
Characteristics
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7.1(B) GEOLOGIC LOG/DRILL HOLES or HIGHWALL SECTIONS
Hole No.:
Surface Elevation:
Bottom of Coal Elevations:
Groundwater Elevations:
and Date Measured
Surveyed by:
Remarks:
Depth
Thickness
Method:
Scale
Graphic
Log
Operation Name:
Method of Drilling:
Date Drilled:
Drilled By:
Logged By:
Township:
County:
Quadrangle:
Laboratory:
UTM’s zone
Latitude:
STRATA
Name and Description
7-2
Northing
Page 1 of
Easting:
Longitude:
Water Conditions and Comments
or
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7.1(B) GEOLOGIC LOG/DRILL HOLES or HIGHWALL SECTIONS (Continued)
Hole No.:
Surface Elevation:
Page
of
Operation Name:
Township:
County:
Remarks:
Depth
Thickness
Scale
Graphic
Log
STRATA
Name and Description
7-3
Water Conditions and Comments
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7.4 Overburden Analysis.
a)
Request for Waiver of Overburden Analysis
Yes
No
If yes, include a narrative explanation and documentation supporting the basis for the waiver.
b)
Typically the Department will grant waivers if the proposed permit area meets any of the following criteria.
1)
there is previous mining history in the watershed or adjacent areas documenting associated postmining
water quality.
2)
lies outside area draining to a High Quality, Exceptional Value, Wilderness Trout Stream or other stream
sensitive to mining impact.
3)
is not in close proximity to a public water supply.
4)
there is no indication of acid or elevated metals from the same coal vein(s) on adjacent mines.
5)
removal of alkaline material is not proposed.
Note: Prior to initiation of any overburden analysis, contact the Pottsville District Mining Office concerning the
submission.
7.5 Mine Workings
Submit the following data on all active, completed and abandoned underground and surface mines and coal refuse
disposal sites which are in or within l000 feet of the permit area. If all of this data is shown on Exhibits 6.2 (or 6.1), 9
and 18, it does not have to be provided in this Module.
(Key location to and show permit boundary on Exhibits 6.2, 9 and 18.)
Surface Mines
Operator
Map Key
Status*
Coal Vein(s)
Underground Mines
Map
Key
Operator
Coal Refuse Disposal Sites
Operator
Status*
Coal
Vein(s)
Portal(s)
Elev.
Map Key
Mine Pool
Elev.
Type of
Seal
Status
7.6 Solid Waste Disposal Sites
Submit the following data for all active, completed and abandoned waste disposal sites which are in or within 1,000
feet of the permit area: (Key location to and show permit boundary on Exhibits 6.2, 9, and 18.)
Operator
Permit No.
Map
Key
Status*
Type of Waste
Disposal
*Identify as Active (AC), Completed (C) including year completed, or Abandoned (Ab).
7-4
Water Sample
No.(s)