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Juana Lopez (based on correlation to log 61 of Molenaar and Cobban,1991)
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K?
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8400
2500
13200
5500
5000
6000
7000
8000
9000
1000
0
6000
5000
4000
3000
2000
2000
3000
4000
5000
6000
6000
5000
4000
3000
2000
1000
2000
3000
4000
5000
6000
8000
7000
6000
5000
4000
5000
6000
7000
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9000
9000
8000
7000
6000
8000
9000
1000
011
000
1300
012
000
1100
010
000
9000
8000
8000
9000
1000
011
000
1200
0
1200
011
000
1000
090
0080
0070
0060
0050
00
1000
011
000
1200
013
000
1400
015
000
1600
017
000
1.17
1.90
1.30
0.78
1.41
0.90
0.73 Ro isoline
1.10 Ro isoline1.10 Ro isoline
0.6 Ro isoline
1.35 Ro isoline1.35 Ro isoline
0.73
0.60
Petro LewisCoal Gulch 15-9
sec. 9, T. 8 S., R. 101 W.G.L. 6552
Belco Exploration Co.Winter Flats 1-10-100
sec. 10, T. 9 S., R. 100 W.G.L. 7101
Coors Energy CompanyUSA 1-8 MR
sec. 8, T. 10 S., R. 99 W.G.L. 6460
Dyco Petroleum Co.Somerville 1
sec. 26, T. 11 S., R. 97 W.G.L. 9991
Celeron Oil and Gas Co.Agency Draw #16-3
sec. 3, T. 13 S., R. 20 E.G.L. 6038
GettyJack's Canyon
sec. 33, T. 12 S., R. 16 E.G.L. 6890
Texaco Inc.Texaco-Skyline #1 Gov.
sec. 27, T. 13 S., R. 21 E.G.L. 5662
Texaco Inc.Seep Ridge Unit No. 2
sec. 3, T. 14 S., R. 22 E.G.L. 6834
Natural Gas Corporation of CaliforniaNGC No. 42-23 Federal
sec. 23, T. 14 S., R. 24 E.G.L. 7326
Devon CorporationFederal 1-30
sec. 30, T. 6 S., R. 102 W.G.L. 7380
ChevronStone Canyon
sec. 29, T. 12 S., R. 15 E.G.L. 6596
Mtn Fuel Supply Co.Keel Ranch No. 1
sec. 16, T. 12 S., R. 13 E.G.L. 6755
Energy ResourcesIndian Canyon 2
sec. 14, T. 6 S., R. 75 W.G.L. 7233
(correlations traced fromJohnson, Chapter 10, this CD-ROM)
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Bluecastle Sandstone
Sego Sandstone
Mancos Shale
Castlegate Sandstone (fluvial)
Blackhawk Formation
Bluecastle Tongue of the Castlegate Sandstone
Neslen Formation
Buck Tongue of Mancos Shale
Neslen Formation
Iles (Mt Garfield) Formation
Williams Fork Formation equivalent
Upper shoreface and tidal sandstone
Offshore mudrock and shale
Depositional Interpretations
Coastal plain, fluvial sandstone, mudrock, carbonaceousshale, and coal; includes some tidally influenced rocks
Alluvial plain, fluvial sandstone, and mudrock
Lower shoreface/offshore sandstone and mudrock
15.7 mi 11 mi 7.9 mi 23.6 mi 7.0 mi 6.3 mi 13.4 mi 20.5 mi 11.8 mi 8.7 mi 15.7 mi 8.7 mi
GR C
GR C
GR CGR C
GR C
GR C
GR S
GR C
GR C GR C GR CGR C
GR C
Drill-Hole Information
5 mi
Distance between drill
holes (in miles)
Distance between data pointsWell-log information
Trace of natural-gamma (gamma ray) log (GR), conductivity log (C), and sonic log (S)
GR C, S
CompanyWell nameLocation
Texaco Federal 1
sec. 1, T. 1 S., R. 111 W.Surface elevation(ground level, in feet)
G.L 1000
2700
2800
Marker bed
Perforated zone
Vitrinite reflectance estimates based on Nuccio and Roberts (Chapter 4, this CD-ROM)
Mancos B Sandstone
0.90
Rollins Sandstone Member
Coon Springs Sandstone bed of Molenaar and Cobban (1991)
Juana Lopez Member of Molenaar and Cobban (1991)
*Corcoran /Cozzette Membersand uppper Sego Sandstone, undivided
(see correlations from Hettinger and Kirschbaum, Chapter 12, this CD-ROM)
*
Northwest Southeast
0.73
15
80
70
Glenwood Springs
Craig
Grand Junction
Rifle
Nephi
Vernal
Salt Lake City Uinta and Piceance Basins
Gre
en R
iver
Color
ado River
Great Salt Lake
UtahLake
39°
38°
40°
41° 109°110°111°112°108° 107° 106°
Flaming Gorge Reservoir
LakeGranby
40
40
Salina
Indian Canyon
Keel RanchStone Canyon
Jack's Canyon Agency DrawTexaco-Skyline
NGCFederal 1-30
Coal Gulch
Winter FlatsUSA 1-8 MR
Somerville
Seep Ridge
Index Map
0 50 Miles
UTAH COLORADO
U.S. DEPARTMENT OF THE INTERIORU.S. GEOLOGICAL SURVEY
DIGITAL DATA SERIES DDS–69–BCHAPTER 6, PLATE 1
STRATIGRAPHIC CROSS SECTION OF THE MANCOS SHALE AND ADJACENT STRATA IN THE UINTA AND PICEANCE BASINS, UTAH AND COLORADO, SHOWING GENERALIZED CORRELATIONS OF MAJOR STRATIGRAPHIC UNITS AND VITRINITE REFLECTANCE LINES (Ro IN PERCENT)By
Mark A. Kirschbaum2002
STRATIGRAPHIC CROSS SECTION OF THE MANCOS SHALE AND ADJACENT STRATA IN THE UINTA AND PICEANCE BASINS, UTAH AND COLORADO, SHOWING GENERALIZED CORRELATIONS OF MAJOR STRATIGRAPHIC UNITS AND VITRINITE REFLECTANCE LINES (RBy
Mark A. Kirschbaum2002 Chapter 6Chapter 6
DIGITAL DATA SERIES DDS–69–BCHAPTER 6, PLATE 1
U.S. DEPARTMENT OF THE INTERIORU.S. GEOLOGICAL SURVEY
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