| Abstract: | Insoluble residues from three sequences of Paleozoic marine evaporites (Retsof salt bed in western New York, Salado Formation in south-eastern New Mexico, and Paradox Member of the Hermosa Formation in southeastern Utah) are rich in trioctahedral clays. Chlorite (clinochlore), corrensite (mixed-layer chlorite-trioctahedral smectite), talc, and illite (the only dioctahedral clay) are the dominant clay minerals; serpentine, discrete trioctahedral smectite (saponite), and interstratified talc-trioctahedral smectite are sporadically abundant. These clay-mineral assemblages differ chemically and mineralogically from those observed in most continental and normal marine rocks, which commonly contain kaolinite, dioctahedral smectite (beidellite-montmorillonite), illite, mixed-layer illite-dioctahedral smectite, and, in most cases, no more than minor quantities of trioctahedral clay minerals. The distinctive clay mineralogy in these evaporite sequences suggests a largely authigenic origin. These clay minerals are thought to have formed during deposition and early diagenesis through interaction between argillaceous detritus and Mg-rich marine evaporite brines. |
| Genre: | Conference Paper |
| ProdID: | 70012897 |
| Citation Author: | Bodine, Jr. , Marc, W. |
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| Citation End Page: | 156 |
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| Citation Language: | English |
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| Citation Number Of Pages: | 24 |
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| Citation Publisher: | Soc of Mining Engineers of AIME |
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| Citation Search Results Text: | CLAY MINERALOGY OF INSOLUBLE RESIDUES IN MARINE EVAPORITES.; 1985; Conference Paper; Bodine, Jr. , Marc, W. |
| Citation Start Page: | 133 |
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| Citation Year: | 1985 |
| Type: | citation/reference |
| Text: | CLAY MINERALOGY OF INSOLUBLE RESIDUES IN MARINE EVAPORITES.; 1985; Conference Paper; Bodine, Jr. , Marc, W. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Tue, 1 Jan 1985 00:00 -0600 |
| Publisher: | Soc of Mining Engineers of AIME |
