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A Field Guide to the Stratigraphy, Geochemistry, and Depositional Environments of the Kiowa-Skull Creek, Greenhorn, and Niobrara Marine Cycles in the Pueblo-Canon City Area, Colorado

By
Erle G. Kauffman
Erle G. Kauffman
1Department of Geological Sciences
University of Colorado, CB 250
Boulder
, CO 80309
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Lisa M. Pratt
Lisa M. Pratt
2U.S. Geological Survey
Box 25046, MS 977
Denver, CO
80225
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Lisa K. Barlow
Lisa K. Barlow
1Department of Geological Sciences
University of Colorado, CB 250
Boulder
, CO 80309
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William P. Elder
William P. Elder
1Department of Geological Sciences
University of Colorado, CB 250
Boulder
, CO 80309
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Cynthia Fisher
Cynthia Fisher
1Department of Geological Sciences
University of Colorado, CB 250
Boulder
, CO 80309
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Linda M. Glenister
Linda M. Glenister
1Department of Geological Sciences
University of Colorado, CB 250
Boulder
, CO 80309
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Edmond R. Gustason
Edmond R. Gustason
1Department of Geological Sciences
University of Colorado, CB 250
Boulder
, CO 80309
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Claudia C. Johnson
Claudia C. Johnson
1Department of Geological Sciences
University of Colorado, CB 250
Boulder
, CO 80309
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Erle G. Kauffman
Erle G. Kauffman
1Department of Geological Sciences
University of Colorado, CB 250
Boulder
, CO 80309
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James I. Kirkland
James I. Kirkland
1Department of Geological Sciences
University of Colorado, CB 250
Boulder
, CO 80309
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Donald McManamen
Donald McManamen
2U.S. Geological Survey
Box 25046, MS 977
Denver, CO
80225
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Lisa M. Pratt
Lisa M. Pratt
2U.S. Geological Survey
Box 25046, MS 977
Denver, CO
80225
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Bradley Sageman
Bradley Sageman
1Department of Geological Sciences
University of Colorado, CB 250
Boulder
, CO 80309
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Published:
January 01, 1985

Abstract

The Pueblo-Canon City area provides an outstanding opportunity to study well exposed sections of the marine and marginal marine stratigraphie units which make up the Kiowa-Skull Creek (Late Albian), Greenhorn (latest Albian-Middle Turonian), and Niobrara (Late Turonian -Early Campanian) Cyclothems. Each of these cyclothems represents a third-order eustatic fluctuation that produced regionally synchronous transgression and regression in the Western Interior Seaway. Extensively studied exposures along the Canon City hogback and in the dissected Rock Canyon Anticline west of Pueblo are easily accessible and contain the most typical examples of the stratigraphie units in these cyclothems found in Colorado. Numerous, detailed and interdisciplinary studies of this Cretaceous section have been completed (see papers in this volume and references therein) which collectively allow the dynamics of large-scale Cretaceous eustatic cycles to be interpreted and modeled for epicontinental seas. In view of these factors, the Pueblo-Canon City area has become the standard mid-basin reference section for the Kiowa-Skull Creek, Greenhorn, and Niobrara Marine Cycles.

The field trip will examine outcrops of each stratigraphie unit in the Kiowa-Skull Creek, Greenhorn, and Niobrara Cyclothems in the Pueblo-Canon City area. Field examination will focus on high-resolution stratigraphie concepts, facies characteristics, geochemical profiles, and inferred depositional environments. Discussions will emphasize a broad range of possible interpretations and current controversies regarding the depositional history of these cyclothems. The prevailing theme of this excursion will be cyclic sedimentation as expressed in Cretaceous marine and marginal marine facies of the Western Interior Seaway. Detailed discussion of each outcrop section can

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Contents

SEPM Field Trip Guide

Fine-Grained Deposits and Biofacies of the Cretaceous Western Interior Seaway: Evidence of Cyclic Sedimentary Processes

Lisa M. Pratt
Lisa M. Pratt
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Erle G. Kauffman
Erle G. Kauffman
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Frederick B. Zelt
Frederick B. Zelt
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SEPM Society for Sedimentary Geology
Volume
4
ISBN electronic:
9781565762794
Publication date:
January 01, 1985

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