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Thermopolis Shale

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Journal Article
Published: 01 April 1987
Rocky Mountain Geology (1987) 25 (1): 35–53.
Journal Article
Journal: AAPG Bulletin
Published: 01 September 1962
AAPG Bulletin (1962) 46 (9): 1653–1680.
... between the marine Sundance Formation (Upper Jurassic) and the definitely marine Thermopolis Shale (Lower Cretaceous) is divisible into four natural mappable units. Unit 1, the lowest, is essentially a variegated mudstone. Unit 2 is a white to gray cross-bedded sandstone which is commonly resistant...
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Image
—Isopach map of <b>Thermopolis</b> <b>Shale</b> showing distribution of Muddy Sandstone a...
Published: 01 October 1968
Fig. 4. —Isopach map of Thermopolis Shale showing distribution of Muddy Sandstone and equivalents in Wyoming (from Haun and Barlow, 1962 , Fig. 7 ). CI = 100 ft.
Journal Article
Journal: GSA Bulletin
Published: 10 December 2020
GSA Bulletin (2020)
... Shale, Bighorn Basin, Crow Reservation, Wyoming, 99.62 ± 0.07 Ma • Shell Creek Shale, Bighorn Basin, Greybull, Wyoming, 99.67 ± 0.13 Ma • Shell Creek Shale, Bighorn Basin, Lander, Montana, 100.07 ± 0.07 Ma • Muddy Sandstone, Wind River Basin, Wyoming, 101.23 ± 0.09 Ma • Thermopolis Shale, Bighorn Basin...
Journal Article
Journal: AAPG Bulletin
Published: 01 April 1984
AAPG Bulletin (1984) 68 (4): 470–471.
... Beds” overlain by the Thermopolis Shale. These grade westward into the lower part of the Wayan group which overlies the Gannett. Whereas exposures in the Overthrust belt proper have produced extensive documentation of sedimentation patterns along the active basin margin, excellent exposures along...
Journal Article
Journal: AAPG Bulletin
Published: 01 October 1966
AAPG Bulletin (1966) 50 (10): 2221–2244.
... transgression. The Fall River intertongues northwestward with the overlying marine Lower Thermopolis Shale. Correlation of thin marine shale beds and an intervening sandstone unit west of the Black Hills with a medial variegated facies east of the Black Hills permits subdivision of the Fall River into Liscom...
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Journal Article
Journal: GSA Bulletin
Published: 01 August 1960
GSA Bulletin (1960) 71 (8): 1137–1176.
... shales, and ironstones, here named the Sykes Mountain formation. The Sykes Mountain formation grades into the overlying marine Thermopolis shale. Distinction of stratigraphic units on a lithogenetic basis is believed to eliminate the confusion which existed in previous nomenclature of this sequence...
Journal Article
Journal: AAPG Bulletin
Published: 01 August 1996
AAPG Bulletin (1996) 80 (8): 1177–1183.
..., yield less than 1 mg HC/g rock, strongly indicating poor potential for generating commercial amounts of hydrocarbons. Out of 51 samples analyzed, only one (a Thermopolis Shale sample from the Snowcrest Range) showed a moderate petroleum potential of 3.1 mg HC/g rock. Most of the middle Cretaceous...
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Journal Article
Journal: AAPG Bulletin
Published: 01 April 1973
AAPG Bulletin (1973) 57 (4): 793–794.
... the transition from Jurassic to Cretaceous is commonly a straightforward transition from continental Morrison through transitional Lakota-Dakota and into marine Thermopolis Shale. La Barge appears to have been a hingeline in Early Cretaceous time and relations are not clear cut. All shelf units are recognizable...
Journal Article
Published: 03 July 2013
Geological Magazine (2014) 151 (1): 167–182.
..., Laramie, WY; WDC – Wyoming Dinosaur Center, Thermopolis, WY. The Redwater Shale Member is younger than the well known marine reptile fauna of the Peterborough Member of the Oxford Clay Formation (middle Callovian), England (Martill, Taylor & Duff, 1994 ; Martill &...
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Journal Article
Journal: AAPG Bulletin
Published: 01 September 1967
AAPG Bulletin (1967) 51 (9): 1907.
... and siltstone (Skull Creek, lower Thermopolis, and Kiowa) formed in the deeper part of the trough occupied by the sea and graded landward (eastward and westward) into sandstone, shale, and coal of the transitional littoral-marine-lagoonal, paludal, and deltaic environments (Fall River, upper Cedar Mountain...
Journal Article
Published: 01 September 2008
Journal of Paleontology (2008) 82 (5): 1030–1034.
... the Bearpaw Shale in Montana, is questionably referable to the new species described herein. Thus, the purposes of this work are to describe a new species of Ekalakia from the Upper Cretaceous of Wyoming and Montana; to emend the description of the type species; to document the placement of Ekalakia...
FIGURES
Series: SEPM Core Workshop Notes, SEPM Core Workshop Notes
Published: 01 January 1985
DOI: 10.2110/cor.85.08.0129
EISBN: 9781565762633
... Abstract An important transgressive-regressive-transgressive sequence is recorded in the Albian strata of the Western Interior Cretaceous basin. A widespread marine shale, mapped throughout the basin, is known in different areas as the Skull Creek, Kiowa, Thermopolis, and Joli Fou (Canada...
Journal Article
Journal: AAPG Bulletin
Published: 01 May 1959
AAPG Bulletin (1959) 43 (5): 1098.
... limestone form an excellent time line. Sediments of the Dakota group were deposited in a sea that advanced from the north and thus these basal sediments become younger in easterly, southerly, and westerly directions. Marine shales of the Thermopolis and overlying Mowry and Graneros formations of Wyoming...
Journal Article
Journal: AAPG Bulletin
Published: 01 March 1971
AAPG Bulletin (1971) 55 (3): 544.
... is the lower South Platte and represents a widespread submergence of the depositional basin with encroachment of marine and brackish water into central Colorado. The marine shales of the Skull Creek, Thermopolis, Kiowa, and Glencairn Formations were deposited in eastern Colorado during this submergence. Trace...
Journal Article
Published: 01 October 1965
Micropaleontology (1965) 11 (4): 449–456.
...Don L. Eicher Abstract Several hundred specimens of Tintinnina (Protozoa, subphylum Ciliophora) have been recovered, as crushed loricas 0.09-0.30 mm long, from the Albian, Thermopolis, and Nefsy Shales and from the Cenomanian Graneros Shale in Wyoming, South Dakota, and Colorado. Of the six species...
Series: GSA Special Papers
Published: 01 January 1965
DOI: 10.1130/SPE83-p1
... of the Cretaceous beds. Major bentonites invariably occur in the same cyclical sequence—ideally, from bottom to top, shale, coal, bentonite, shale grading to sandstone or conglomerate. If the bentonites are used as time lines, a tectonic interpretation of sedimentational patterns is possible. The history...
Journal Article
Journal: AAPG Bulletin
Published: 01 September 1969
AAPG Bulletin (1969) 53 (9): 1839–1865.
... Eocene strata near the center of the basin. A major exception to structural entrapment is the Grieve field (No. 51), which produces from an updip stratigraphic pinchout of the Muddy Sandstone Member of the Thermopolis Shale. All but one of the major pools discovered to date—Big Sand Draw (No. 25), Beaver...
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Journal Article
Journal: AAPG Bulletin
Published: 01 March 1979
AAPG Bulletin (1979) 63 (3): 354–361.
..., 104 p. Davis , J. C. , 1970 , Petrology of Cretaceous Mowry Shale of Wyoming : AAPG Bull. , v. 54 , p. 487 – 502 . Eicher , D. L. , 1960 , Stratigraphy and micropaleontology of the Thermopolis Shale : Peabody Mus. Nat. History Bull. , v. 15 , 126 p. Eicher , D. L...
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Journal Article
Journal: AAPG Bulletin
Published: 01 September 1989
AAPG Bulletin (1989) 73 (9): 1103–1116.
... of the Thermopolis, Muddy and Shell Creek Formations : Wyoming Geological Association, 17th Annual Field Conference Guidebook , p. 72 – 93 . Eicher , D. L. , 1960 , Stratigraphy and micropaleontology of the Thermopolis Shale : Yale University, Peabody Museum of Natural History, Bulletin 15 , 126 p...
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