An overview of strains in the Sevier thin-skinned thrust belt, Idaho and Wyoming, USA (latitude 42° N)

John P. Craddock; David H. Malone

doi:10.1130/2021.2555(05)

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An overview of strains in the Sevier thin-skinned thrust belt, Idaho and Wyoming, USA (latitude 42° N)

Author(s)

John P. Craddock

Department of Geology, Macalester College, St. Paul, Minnesota 55105, USA

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;

David H. Malone

Department of Geography & Geology, Illinois State University, Normal, Illinois 61790, USA

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Doi:

https://doi.org/10.1130/2021.2555(05)

Published:

May 03, 2022

ABSTRACT

Calcite twinning analysis across the central, unbuttressed portion of the Sevier thin-skin thrust belt, using Cambrian–Cretaceous limestones (n = 121) and synorogenic calcite veins (n = 31), records a complex strain history for the Sevier belt, Idaho and Wyoming, USA. Plots of fabric types (layer-parallel shortening, layer-normal shortening, etc.), shortening and extension axes for the Paris thrust (west, oldest, n = 11), Meade thrust (n = 46), Crawford thrust (n = 15), Absaroka thrust (n = 55), Darby thrust (n = 13), Lander Peak klippe (n = 5), eastern Prospect thrust (...

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GSA Special Papers

Tectonic Evolution of the Sevier-Laramide Hinterland, Thrust Belt, and Foreland, and Postorogenic Slab Rollback (180–20 Ma)
CONTAINS OPEN ACCESS

Editor(s)

Geological Society of America

Volume

555

DOI:

https://doi.org/10.1130/SPE555

Open Access. Gold Open Access: This chapter is published under the terms of the CC-BY license.

ISBN electronic:

9780813795553

ISBN print:

9780813725550

Publication date:

May 03, 2022

This Special Paper focuses on the evolution of the crust of the hinterland of the orogen during the orogenic cycle, and describes the evolution of the crust and basins at metamorphic core complexes. The volume includes a regional study of the Sevier-Laramide orogens in the Wyoming province, a regional seismic study, strain analysis of Sevier and Laramide deformation, and detrital zircon provenance from the Pacific Coast to the foreland between the Jurassic and the Eocene.

An overview of strains in the Sevier thin-skinned thrust belt, Idaho and Wyoming, USA (latitude 42° N)

ABSTRACT

Figures & Tables

Contents

Tectonic Evolution of the Sevier-Laramide Hinterland, Thrust Belt, and Foreland, and Postorogenic Slab Rollback (180–20 Ma)
CONTAINS OPEN ACCESS

GeoRef

References

Related

Citing Books via

An overview of strains in the Sevier thin-skinned thrust belt, Idaho and Wyoming, USA (latitude 42° N)

ABSTRACT

Figures & Tables

Contents

Tectonic Evolution of the Sevier-Laramide Hinterland, Thrust Belt, and Foreland, and Postorogenic Slab Rollback (180–20 Ma) CONTAINS OPEN ACCESS

GeoRef

References

Related

Citing Books via

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Tectonic Evolution of the Sevier-Laramide Hinterland, Thrust Belt, and Foreland, and Postorogenic Slab Rollback (180–20 Ma)
CONTAINS OPEN ACCESS