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Interaction of Reaction, Mass Transport, and Rock Deformation During Diagenesis: Mathematical Modeling of Intergranular Pressure Solution, Stylolites, and Differential Compaction/Cementation

By
Thomas Dewers
Thomas Dewers
Departments of Geology and ChemistryIndiana UniversityBloomington, Indiana, U.S.A.Geo-Chemical Research AssociatesBloomington, Indiana, U.S.A.
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Peter J. Ortoleva
Peter J. Ortoleva
Departments of Geology and ChemistryIndiana UniversityBloomington, Indiana, U.S.A.Geo-Chemical Research AssociatesBloomington, Indiana, U.S.A.
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Published:
January 01, 1990

Abstract

The recognition and description of the physical processes responsible for pressure solution and associated cementation—including aspects of thermodynamics, reaction kinetics, solute transport, and rock mechanics-are important facets of research on diagenesis. The interplay between these processes is studied by means of mathematical models coupling water-rock interaction with rock deformation. Model predictions are compared with observed pressure solution/cementation features. Examples discussed include the grain-size dependence of intergranular volume loss, the transition between stylolitic and intergranular pressure solution, an assessment of the role of clay in influencing pressure solution, and the evolution and correlation of spatially discrete domains of heightened compaction and cementation in sandstones and argillaceous.

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Contents

AAPG Memoir

Prediction of Reservoir Quality Through Chemical Modeling

Indu D. Meshri
Indu D. Meshri
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Peter J. Ortoleva
Peter J. Ortoleva
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American Association of Petroleum Geologists
Volume
49
ISBN electronic:
9781629811239
Publication date:
January 01, 1990

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