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GEOREF RECORD

Authigenic kaolinite and dickite associated with metal sulfides; probable indicators of a regional thermal event

W. D. Keller
Authigenic kaolinite and dickite associated with metal sulfides; probable indicators of a regional thermal event
Clays and Clay Minerals (April 1988) 36 (2): 153-158

Abstract

Authigenic, well-crystallized kaolinite and dickite occur within sulfide mineral deposits (minesize to hand-specimen size occurrences) of the Mississippi Valley type in Arkansas, Kansas, Missouri, Iowa, Wisconsin, Illinois, and Indiana. Fluid inclusions in these rocks indicate temperatures of formation as high as 140 degrees C. These authigenic kaolin-group minerals are probable geologic indicators of a regional thermal event. Such elevated temperatures are probably the result of heated waters derived from deeply buried sedimentary or tectonic basins, of passage of the region over a hot spot, or of an episode of thinning of the crustal plate in the mid-continent region.


ISSN: 0009-8604
Coden: CLCMAB
Serial Title: Clays and Clay Minerals
Serial Volume: 36
Serial Issue: 2
Title: Authigenic kaolinite and dickite associated with metal sulfides; probable indicators of a regional thermal event
Author(s): Keller, W. D.
Affiliation: Univ. Mo.-Columbia, Geol. Dep., Columbia, MO, United States
Pages: 153-158
Published: 198804
Text Language: English
Publisher: Clay Minerals Society, Clarkson, NY, United States
References: 18
Accession Number: 1988-036141
Categories: Mineralogy of silicates
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. sketch map
N33°00'00" - N36°30'00", W94°40'00" - W89°40'00"
N36°00'00" - N49°00'00", W104°00'00" - W80°30'00"
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Abstract, Copyright, Mineralogical Society of Great Britain and Ireland
Update Code: 1988
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