Early Diagenesis: A Theoretical Approach

Voorkant
Princeton University Press, 21 aug 1980 - 241 pagina's

Diagenesis refers to changes taking place in sediments after deposition. In a theoretical treatment of early diagenesis, Robert Berner shows how a rigorous development of the mathematical modeling of diagenetic processes can be useful to the understanding and interpretation of both experimental and field observations. His book is unique in that the models are based on quantitative rate expressions, in contrast to the qualitative descriptions that have dominated the field.



In the opening chapters, the author develops the mathematical theory of early diagenesis, introducing a general diagenetic equation and discussing it in terms of each major diagenetic process. Included are the derivations of basic rate equations for diffusion, compaction, pore-water flow, burial advection, bioturbation, adsorption, radioactive decay, and especially chemical and biochemical reactions. Drawing on examples from the recent literature on continental-margin, pelagic, and non-marine sediments, he then illustrates the power of these diagenetic models in the study of such deposits.



The book is intended not only for earth scientists studying sediments and sedimentary rocks, but also for researchers in fields such as radioactive waste disposal, petroleum and economic geology, environmental pollution, and sea-floor engineering.

 

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Inhoudsopgave

Introduction
8
THEORY
8
General Theory
9
THE GENERAL DIAGENETIC EQUATION
13
Diagenetic Physical and Biological Processes
15
DIFFUSION
31
BIOTURBATION
42
TRANSFER ACROSS THE SEDIMENTWATER INTERFACE
53
APPLICATIONS
133
Marine Sediments of the Continental Margins
135
DIAGENESIS WITHIN THE ZONE OF BIOTURBATION
136
DIAGENESIS BELOW THE ZONE OF BIOTURBATION
148
Pelagic DeepSea Sediments
178
OPALINE SILICA DISSOLUTION
190
SUBOXIC ORGANIC MATTER DIAGENESIS
194
DIAGENESIS OF RADIOISOTOPES
198

SUMMARY OF MATHEMATICS OF DIAGENETIC PHYSICAL AND BIOLOGICAL PROCESSES
55
Diagenetic Chemical Processes I Equilibrium Homogeneous and Microbial Reactions
57
HOMOGENEOUS REACTIONS INCLUDING RADIOACTIVE DECAY
77
MICROBIAL METABOLIC REACTIONS
81
Diagenetic Chemical Processes II Precipitation Dissolution and Authigenic Processes
90
DISSOLUTION
105
AUTHIGENIC MINERALDIAGENETIC PROCESSES
108
VOLCANICSEAWATER REACTION
202
NonMarine Sediments
206
HYPERSALINE SEDIMENTS
222
References
225
Index
239
Copyright

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