Lignite Reserves
1
(MIN ERAL SP RING S) ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! 50 49 48 46 45 44 41 40 B43 B40 B54 B59 B48 B41 B42 B49 B53 B52 B61 B62 B51 B50 7791 9656 BS46 BS39 BS38 BS23 BS20 BS22 BS25 BS273 BS272 BS269 BS266 BS218 BS217 BS207 BO779 BO 7730 BO 7734 BO 7739 BOGUS-1 G169-16 NDSWC4459 l l l 1 62 16 41 43 21 29 45 46 61 60 23 11 22 63 19 18 44 24 15 26 47 212 213 265 273 263 261 262 207 214 215 268 216 271 276 264 260 206 183 182 270 218 267 274 275 269 217 272 4459 4459A BJ-10 B077-2 B077-7 B077-8 B077-9 B077-1 B077-5 B077-4 B077-3 B077-6 B077-39 B077-29 B077-26 B077-27 B077-28 B077-24 B077-23 B077-10 B077-14 B077-15 B077-25 B077-32 B077-31 B077-33 B077-52 B077-47 B077-42 B077-43 B077-44 B077-45 B077-46 B077-38 B077-40 B077-35 B077-41 B077-37 B077-36 B077-35 13 20 18 29 11 10 13 11 13 20 11 18.5 21.5 11.5 13.5 33.5 28.5 30.5 £ ¤ 12 £ ¤ 12 £ ¤ 12 ! ( 67 ! ( 67 ! ( 67 103 o 07 ' 30 " 46 o 15 ' 00 " (WARNKE HILL) 103 o 15 ' 00 " 46 o 15 ' 00 " (AM IDO N SE) (BOWMAN SE) (GA SCO YN E) (TALBOT BUTTE) 103 o 07 ' 30 " 46 o 07 ' 30 " 103 o 37 ' 30 " 46 o 07 ' 30 " (SCRANTON SW) (SCRANTON NE) Cartographic Compilation: E. L. Kadrmas & S.S. Kranich North Dakota Geological Survey 24K: Scrn - C Edward C. Murphy, State Geologist Lynn D. Helms, Director Dept. of Mineral Resources This project supported, in part by the U.S Geological Survey, Department of Interior, under assistance awards 02ERAG0016 and 05ERAG0053. Lignite Reserves Scranton Quadrangle, North Dakota T. 1 32 N . T. 1 31 N . R. 101 W. R. 100 W. UNIT DESCRIPTIONS Economic coal deposits are those that meet the minimum criteria established by coal companies operating surface mines in North Dakota. These economic criteria include a minimum cumulative coal thickness of ten feet-typically occuring in less than two beds, a minimum individual bed thickness of at least 2.5 feet, a ratio of overburden to coal thickness of not more than 10:1, a minimum of 25 feet of overburden, and a maximum depth to coal of approximately 150 feet. Economic Coal Deposits l Geology Undifferentiated MN 1969 Magnetic North Declination at Center of Sheet 13 o 30 ' 0 0.5 1 Miles Scale 1:24,000 Standard Parallels 46 o 07 ' 30 " and 46 o 15 ' 00 " USGS 7.5 M inute T opographic Map Con tour Interval 10 Feet Lambert Con fo rmal Co nic Projection 1927 North American Datum NGVD 1929 Road Layer Rectified to 2003 NAIP Digital Orthophoto Edward C. Murphy 2005 Geologic Symbols Extent of Local Lignite Reserves Other Features Unpaved Road Paved Road US Highway £ ¤ 12 State Highway ! ( 67 Scranton Quadrangle, North Dakota Includes Coal Exploration NDGS/USGS drill holes, Sub-surface Mineral drill holes, Oil & Gas drill holes, and NDSWC drill holes. ! ( Data Points Drill Hole Numbers ! BO77-9 Thickness (in feet) of Mineable Lignite Coal thicknesses were determined by interpretation of electric logs from individual drill holes. Gamma and density logs were typically available for coal exploration holes but, oil wells were often limited to a gamma log run through surface casing. ! 13.5
Transcript of Lignite Reserves
(MINERAL SPRINGS)
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5049
48
46
4544
41
40
B43
B40B54
B59
B48 B41B42
B49
B53
B52B61
B62 B51 B50
7791
9656
BS46
BS39
BS38
BS23
BS20
BS22
BS25
BS273
BS272
BS269
BS266
BS218
BS217
BS207
BO779
BO7730
BO7734
BO7739
BOGUS-1G169-16
NDSWC4459
l
l
l
162
16
41
43
21
29
45
46
6160
23
11
2263
19
18
44
241526
47
212213
265
273263
261
262207
214 215
268
216
271
276
264260
206
183
182
270
218
267
274
275
269217
272
44594459A
BJ-10
B077-2
B077-7B077-8
B077-9
B077-1
B077-5
B077-4
B077-3
B077-6
B077-39
B077-29
B077-26B077-27
B077-28B077-24
B077-23
B077-10
B077-14
B077-15
B077-25
B077-32
B077-31B077-33
B077-52
B077-47B077-42
B077-43
B077-44
B077-45B077-46B077-38B077-40
B077-35
B077-41
B077-37
B077-36B077-35
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20
18
29
11
1013
11
13
2011
18.5
21.5
11.5
13.5
33.5
28.5
30.5
£¤12
£¤12
£¤12
!(67
!(67
!(67
103o 07' 30"
46o 15' 00"(WARNKE HILL)
103o 15' 00"
46o 15' 00"
(AMIDON SE)
(BOWMAN SE) (GASCOYNE)
(TALB
OT B
UTTE
)
103o 07' 30"46o 07' 30"
103o 37' 30"46o 07' 30"
(SCRANTON SW)
(SCRA
NTON
NE)
Cartographic Compilation : E. L. Kadrmas & S.S. Kranich
North Dakota Geological Survey24K: Scrn - C
Edward C. Murphy, State GeologistLynn D. Helms, Director Dept. of Mineral Resources
This project supported, in part by the U.S Geological Survey, Departmentof Interior, under assistance awards 02ERAG0016 and 05ERAG0053.
Lignite ReservesScranton Quadrangle, North Dakota
T. 1 32 N.T. 1 31 N.
R. 101 W. R. 100 W.
UNIT DESCRIPTIONS
Economic coal deposits are those that meet the minimum criteria established by coal companies operating surface mines in North Dakota. These economic criteria include a minimum cumulative coal thickness of ten feet-typically occuring in less than two beds, a minimum individual bed thickness of at least 2.5 feet, a ratio of overburden to coal thickness of not more than 10:1, a minimum of 25 feet of overburden, and a maximum depth to coal of approximately 150 feet.
Economic Coal Depositsl
Geology Undifferentiated
MN
1969 Magnetic North Declinat ion at Center of Sheet
13o 30'
0 0.5 1Miles
Scale 1:24,000
Standard Parallels 46o 07' 30" and 46o 15' 00"
USGS 7.5 Minute T opographic Map Con tour Interval 10 Feet
Lambert Con fo rmal Co nic Projection1927 North American Datum NGVD 1929
Road Layer Rectified to 2003 NAIP Digi tal Ortho photo
Edward C. Murphy2005
Geologic Symbols
Extent of Local Lignite Reserves
Other Features
Unpaved RoadPaved Road
US Highway£¤12
State Highway!(67
Scranton Quadrangle, North Dakota
Includes Coal Exploration NDGS/USGS drill holes , Sub-surface Mineral drill holes, Oil & Gas drill holes, and NDSWC drill holes.
!( Data Points
Drill Hole Numbers!BO77-9
Thickness (in feet) of Mineable Lignite
Coal thicknesses were determined by interpretation of electric logs from individual drill holes. Gamma and density logs were typically available for coal exploration holes but, oil wells were often limited to a gamma log run through surface casing.
!13.5
