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Depositional Environment of the Wreford Megacyclothem

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Contents

Abstract

Introduction

Purpose of investigation

Previous work

Location and description of area

Geography

Topography

Methods of investigation

Acknowledgments

Stratigraphy

General discussion

Cyclic sedimentation

Speiser shale

Wreford limestone

Threemile limestone member

Havensville shale member

Schroyer limestone member

Matfield shale

General statement

Wymore shale member

Nature and Significance of Sedimentary Rock Types

General statement

Physical characters

Sandstone

Red shale

Green shale

Grayish-yellow mudstone

Molluscan limestone

Calcareous shale

Chert-bearing limestone

Chalky limestone

Algal limestone

Chert

Environment of deposition

Sandstone

Red shale

Green shale

Grayish-yellow mudstone

Molluscan limestone

Calcareous shale

Chert-bearing limestone

Chalky limestone

Algal limestone

Chert

Cycles of sedimentation in Wreford limestone

Comparison with subsurface sections

Comparison with higher Permian strata

Summary

Conclusions

References

Appendix--Description of sections

General

Explanation of terms

Key section 1

Key section 2

Key section 3

Key section 4

Key section 5

Key section 6

List of localities

Plates


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Kansas Geological Survey, Geology
Placed on web Feb. 16, 2009; originally published April 1967.
Comments to webadmin@kgs.ku.edu
The URL for this page is http://www.kgs.ku.edu/Publications/Bulletins/124/01_contents.html