Sedimentary Rocks

4/4/01


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Table of Contents

Sedimentary Rocks

The Source Area

The Slope

The Sink

Weathering Components

Clastic - Broken Grains

Diagenesis and Lithification

Lithification and Diagenesis

Classification of Sedimentary Rocks

Types of Sedimentary Rocks

Clastic Sedimentary Rocks

Size Terms

Variation in Grain Size

Coarse Clastics

Transported as Individual Grains

Coarse Clastics - Conglomerate

Coarse Clastics - Breccia

Sedimentary Rocks

Sandstone Types

Fine Clastics

Chemical Sedimentary Rocks

Fossiliferous Limestones

Mineralogical Maturity

Textural Maturity

Modification of Size and Shape

Other Properties of Sedimentary Rocks

Sedimentary Structures

Cross-bedded Dune Deposits

Current Ripple Marks

Assymetrical Dunes

Current Ripple Marks

Burrows (Bottom of a Bed)

Mud Cracks (Top of a Bed)

Environments of Accumulation (I)

Environments of Accumulation (II)

Evaporite Basins

Evaporite Model

Environments of Deposition

Alluvial Fans

Cross Section of an Alluvial Fan

Braided Streams

Meandering Streams

Barrier Island

Delta

Turbidity Currents

Sedimentary Facies

Facies Model - Grain Size

Transgression and Regression

Transgression - Fining Upwards

Rifting - Under Tension - Creates a New Sink

Author: John C Butler

Email: jbutler@uh.edu