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Clay Spur bentonite district

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Journal Article
Journal: Clay Minerals
Published: 01 June 2006
Clay Minerals (2006) 41 (2): 659–668.
...Y. NAKASHIMA Abstract MX-80 is a bentonite clay from the Clay Spur bed, Wyoming, USA, consisting of ~80 wt.% Na-rich montmorillonite and is a leading candidate material for use in engineered barriers within underground nuclear waste disposal sites in Switzerland and Sweden. The diffusive invasion...
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Journal Article
Journal: GSA Bulletin
Published: 10 December 2020
GSA Bulletin (2020)
..., 97.52 ± 0.09 Ma • Clay Spur Bentonite, Mowry Shale, Casper, Wyoming, 98.17 ± 0.11 Ma • Arrow Creek Bentonite, Colorado Shale, Montana, USA, 99.12 ± 0.14 Ma • Upper Newcastle Sandstone, Black Hills, Wyoming, 99.49 ± 0.07 Ma • Middle Newcastle Sandstone, Black Hills, Wyoming, 99.58 ± 0.12 Ma • Shell Creek...
Journal Article
Journal: Clay Minerals
Published: 01 June 2004
Clay Minerals (2004) 39 (2): 219–231.
... and Abstracts , pp. 91 – 93 , Adana , ( Turkey ). Elzea J.M. & Murray H.J. ( 1990 ) Variation in the mineralogical, chemical and physical properties of the Cretaceous Clay Spur bentonite in Wyoming and Montana . Applied Clay Science , 5 , 229 – 248 . Eslinger E...
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Journal Article
Journal: Elements
Published: 01 April 2009
Elements (2009) 5 (2): 83–88.
... edition. Society for Mining, Metallurgy, and Exploration, Inc. , pp 357 - 368 Elzea JM , Murray HH ( 1990 ) Variation in the mineralogical, chemical and physical properties of the Cretaceous Clay Spur bentonite in Wyoming and Montana (U.S.A.) . Applied Clay Science 5 : 229 - 248...
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Journal Article
Journal: Clay Minerals
Published: 01 June 2017
Clay Minerals (2017) 52 (2): 161–190.
..., therefore, in bentonite studies, the work of Chaudhuri & Brookins (1979) on the Clay Spur and Otay bentonites being a notable exception. Chaudhuri & Brookins (1979) demonstrated that Sr in smectites (Clay Spur: 52.4–248.3 ppm; Otay: 48.2–117.4 ppm) is mostly (but not exclusively) exchangeable...
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Journal Article
Journal: AAPG Bulletin
Published: 01 October 1952
AAPG Bulletin (1952) 36 (10): 1962–2010.
... a history of regular variation in water salinity and sediment supply. The basal bentonite of the Frontier formation is correlated with the Clay Spur bentonite of the Black Hills, and the concretions in the First Wall Creek member are correlated with the Greenhorn limestone of the eastern Powder River Basin...
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Journal Article
Journal: Clay Minerals
Published: 01 December 2008
Clay Minerals (2008) 43 (4): 515–529.
...; Kolata, 1989 ), and K-bentonite beds of similar age extend from the Southern Uplands of Scotland across the Irish Sea into Ireland ( Huff et al. , 1991 ). Moreover, the Cretaceous Clay Spur Bed extends from South Dakota to Wyoming and Montana ( Elzea & Murray, 1994 ). In the latter case, bentonite...
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Journal Article
Published: 01 October 2001
Clays and Clay Minerals (2001) 49 (5): 374–380.
...-contemporaneous erosion produced the highly variable thickness of the bentonite. Elzea and Murray (1994) stated that the New-castle Formation may well be a fresh-water rather than a marine deposit. Perhaps the most studied Wyoming benonite is from the Clay Spur bed. This material exhibits the best...
Journal Article
Journal: Clay Minerals
Published: 01 March 2006
Clay Minerals (2006) 41 (1): 47–150.
...C. V. JEANS Abstract The clay mineralogy of the Cretaceous strata of the British Isles is described and discussed within its lithostratigraphical and biostratigraphical framework using published and unpublished sources as well as 1400 new clay mineral analyses. The regional clay mineral variation...
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Journal Article
Journal: AAPG Bulletin
Published: 01 March 1970
AAPG Bulletin (1970) 54 (3): 487–502.
.... , 1963a , Geology of the clay spur bentonite district , Crook and Weston Counties, Wyoming: unpub. master’s thesis, Wyoming Univ. , 79 p. Davis , J. C. , 1963b , Origin of the Mowry Shale : Wyoming Univ. Contr. Geology , v. 2 , p. 135 - 146 . Draper , N. R. , and H. Smith...
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Journal Article
Published: 01 May 2009
Russ. Geol. Geophys. (2009) 50 (5): 417–429.
... sediments have been recognized. The most important marker horizons are composed of porcelain-like silicified tuffs, limestones with inclusions of brown chalcedony, calcilutites, salt rock, wax-like bentonitic mudstones, flint clays, tripolis, etc. Stratigraphic charts of the Upper Paleozoic deposits...
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Journal Article
Journal: AAPG Bulletin
Published: 01 January 1928
AAPG Bulletin (1928) 12 (1): 1–39.
... for their pitch or brea. To-day there are three general districts where commercial production is obtained: the Zorritos district in the northern part, where production is derived from the lower Miocene or upper Oligocene; farther south, the Cabo Blanco-Lobitos district; and the Negritos-La Brea district...
FIGURES
Journal Article
Published: 01 May 2004
Geochemistry: Exploration, Environment, Analysis (2004) 4 (2): 161–170.
... exploration. The stream sediment survey (1 site per 1 km 2 ) led to the discovery of three new gold occurrences, one of which became a producing mine in 2001, and the recognition of two previously known auriferous districts. The low-density soil survey (1 site per 64 km 2 ) identified the host rocks of three...
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Journal Article
Journal: AAPG Bulletin
Published: 01 August 1962
AAPG Bulletin (1962) 46 (8): 1371–1415.
... commonly referred to as the “Graneros” bentonite by petroleum geologists. Stratigraphically, this bed is near the top of the Belle Fourche Shale. The Clay Spur bentonite can be identified over wide areas and is a useful marker for the top of the Mowry Shale. In the Williston basin this marker bed...
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Journal Article
Journal: AAPG Bulletin
Published: 01 October 1951
AAPG Bulletin (1951) 35 (10): 2170–2198.
... that weathers to silvery gray chips. It is softest in the lower part and hardens progressively upward. Numerous layers of bentonite are present, the thickest being the commercially valuable Clay Spur bentonite bed at the top. The Mowry shale is about 235 feet thick on the north flank of the Black Hills...
FIGURES
Journal Article
Journal: AAPG Bulletin
Published: 01 November 1945
AAPG Bulletin (1945) 29 (11): 1605–1629.
... is therefore applicable in the Vermilion region. The Oldman formation crops out in the southwestern part of the Vermilion area. It is composed principally of light gray argillaceous and bentonitic sand with some beds of bentonite, thin seams of coal, carbonaceous shale, and clay-ironstone bands ( Hopkins...
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Journal Article
Journal: AAPG Bulletin
Published: 01 July 1967
AAPG Bulletin (1967) 51 (7): 1320–1345.
... is friable but commonly case-hardened. The original cement is clay but secondary quartz overgrowths occur. A few pebbles and thin conglomerate beds are present. The Catherine Sandstone is between two marine mudstones and is conformable with both. The contact with the underlying Ingelara Formation...
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Journal Article
Journal: AAPG Bulletin
Published: 01 May 1952
AAPG Bulletin (1952) 36 (5): 844–856.
... of the lake bed series. Above the basal redbed member along section AA′ an interbedded series includes a light greenish gray plastic, probably bentonitic clay; a white calcareous breccia with tuffaceous fragments; light gray tuffaceous sandstone; platy to shaly, buff to gray tuffaceous silts; and several...
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Journal Article
Journal: AAPG Bulletin
Published: 01 October 1988
AAPG Bulletin (1988) 72 (10B): 378–390.
..., Utah, and Wyoming) were active in 1987 attempting to spur oil shale research during the period of continued depressed oil prices. Canadian Occidental Petroleum continued its delineation of the Albert Mines oil shale deposit in southeastern New Brunswick. Current emphasis is on the determination...
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Series: Guidebook
Published: 01 January 1990
DOI: 10.32375/1990-GB67.10
EISBN: 9781733984409
... of the cross section of Figure 5 . “Type well” of Figure 6 (La Brea Pacheco No. 1) is indicated. Producing areas are outlined. Accounts of oil seeps in the Half Moon Bay district date back at least as early as 1854, when J. B. Trask reported to the California Legislature that “on streams...
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