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RECOGNITION OF INTERSTITIAL ANHYDRITE DISSOLUTION: A CAUSE OF SECONDARY POROSITY, SAN ANDRES LIMESTONE, NEW MEXICO, AND UPPER MINNELUSA FORMATION, WYOMING.

American Association of Petroleum Geologists Bulletin

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Abstract

Direct evidence for subsurface dissolution of interstitial anhydrite in both dolomite grainstones and quartz sandstones includes: cleavage-related dissolution fringe on anhydrite crystal surfaces, and isolated remnants of optically continuous (formerly poikilotopic) anhydrite. Experimentally etched anhydrite surfaces exhibit features that directly compare to the dissolution fringe, whereas experimentally grown anhydrite does not. A deduced sequence of anhydrite dissolution within dolomite grainstones and quartz sandstones is presented. Refs.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
RECOGNITION OF INTERSTITIAL ANHYDRITE DISSOLUTION: A CAUSE OF SECONDARY POROSITY, SAN ANDRES LIMESTONE, NEW MEXICO, AND UPPER MINNELUSA FORMATION, WYOMING.
Series title:
American Association of Petroleum Geologists Bulletin
Volume
69
Issue:
7
Year Published:
1985
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
American Association of Petroleum Geologists Bulletin
First page:
1064
Last page:
1076