Search Results - "Triplehorn, D. M."

Mineralogic Evidence for an Impact Event at the Cretaceous-Tertiary Boundary by Bohor, B. F., Foord, E. E., Modreski, P. J., Triplehorn, D. M.

“…A thin claystone layer found in nonmarine rocks at the palynological Cretaceous-Tertiary boundary in eastern Montana contains an anomalously high value of…”
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Clay Mineral Diagenesis in Atoka (Pennsylvanian) Sandstones, Crawford County, Arkansas by D. M. Triplehorn

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Occurrence of Pure, Well-Crystallized 1m Illite in Cambro-Ordovician Sandstone from Rhourde El Baguel Field, Algeria by D. M. Triplehorn

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An Easy Way To Remove Fossils From Sandstones: DMSO Disaggregation by Triplehorn, D M

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Goyazite in Kaolinitic Altered Tuff Beds of Cretaceous Age Near Denver, Colorado by Triplehorn, Don M., Bohor, Bruce F.

“…A hydrated alumino-phosphate mineral was identified in thin, kaolinitic clay beds of the Cretaceous Dakota Group and the overlying Mowry Shale in the Dakota…”
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Accretionary Lapilli in Altered Tuffs Associated with Coal Beds by B. F. Bohor, Don M. Triplehorn

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AN EASY WAY TO REMOVE FOSSILS FROM SANDSTONES: DMSO DISAGGREGATION by TRIPLEHORN, DON M

“…Many sandstones disaggregate in warm dimethyl sulfate; no crushing is necessary and there is no known effect on minerals other than kaolinite. Fossils should…”
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Chemical disaggregation of kaolinitic claystones (tonsteins and flint clays) by Triplehorn, Don M, Bohor, Bruce F, Betterton, William J

“…The coarse non-clay fraction of many flint-like kaolinitic claystones often contains mineral grains diagnostic of the claystone's origin and, in the case of…”
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'Weathering of the Sioux quartzite near Ulm, Minnesota as related to Cretaceous climates' by G. S. Austin; a discussion by Triplehorn, D. M.

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Accretionary lapilli in altered tuffs associated with coal beds; discussion and reply by Hosterman, J. W., Rice, C. L., Bohor, B. F., Triplehorn, D. M.

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