Heterogeneous strain and polymetamorphism in high-grade terranes: Insight into crustal processes from the Athabasca Granulite Terrane, western Canada, and the Limpopo Complex, southern Africa

K.H. Mahan; C.A. Smit; M.L. Williams; G. Dumond; D.D. van Reenen

doi:10.1130/2011.1207(14)

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Heterogeneous strain and polymetamorphism in high-grade terranes: Insight into crustal processes from the Athabasca Granulite Terrane, western Canada, and the Limpopo Complex, southern Africa

Author(s)

K.H. Mahan

Department of Geological Sciences, University of Colorado, Boulder, Colorado 80302, USA

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C.A. Smit

Department of Geology, University of Johannesburg, P.O. Box 524, Auckland Park, 2006, Johannesburg, South Africa

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;

M.L. Williams

Department of Geosciences, University of Massachusetts, Amherst, Massachusetts 01003, USA

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G. Dumond

Department of Geosciences, University of Arkansas, 18 Ozark Hall, Fayetteville, Arkansas 72701, USA

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D.D. van Reenen

Department of Geology, University of Johannesburg, P.O. Box 524, Auckland Park, 2006, South Africa

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Doi:

https://doi.org/10.1130/2011.1207(14)

Published:

February 01, 2011

Heterogeneous strain commonly serves as an important natural instrument for unraveling complex tectonic histories in polyphase metamorphic terranes. We present key examples of multi-scale heterogeneous deformation from two classic deep-crustal granulite terranes, the Athabasca Granulite Terrane in western Canada and the Limpopo Complex in southern Africa. These examples are chosen to illustrate how localized strain and attendant metamorphism played a key role in the development and preservation of important records of deep-crustal processes. In addition, several common characteristics of these terranes are identified through this analysis and include heterogeneous deep-crustal flow, regional-scale tectonic heterogeneity, and multistage exhumation with high-resolution records...

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GSA Memoirs

Origin and Evolution of Precambrian High-Grade Gneiss Terranes, with Special Emphasis on the Limpopo Complex of Southern Africa

Author(s)

Geological Society of America

Volume

207

DOI:

https://doi.org/10.1130/MEM207

Attribution: You must attribute the work in the manner specified by the author or licensor (but no in any way that suggests that they endorse you or your use of the work). Noncommercial - you may not use this work for commercial purpose. No Derivative works - You may not alter, transform, or build upon this work. Sharing - Individual scientists are hereby granted permission, without fees or further requests to GSA, to use a single figure, a single table, and/or a brief paragraph of text in other subsequent works and to make unlimited photocopies of items in this journal for noncommercial use in classrooms to further education and science.

ISBN print:

9780813712079

Publication date:

February 01, 2011

Heterogeneous strain and polymetamorphism in high-grade terranes: Insight into crustal processes from the Athabasca Granulite Terrane, western Canada, and the Limpopo Complex, southern Africa

Figures & Tables

Contents

Origin and Evolution of Precambrian High-Grade Gneiss Terranes, with Special Emphasis on the Limpopo Complex of Southern Africa

GeoRef

References

Related

Citing Books via

Heterogeneous strain and polymetamorphism in high-grade terranes: Insight into crustal processes from the Athabasca Granulite Terrane, western Canada, and the Limpopo Complex, southern Africa

Figures & Tables

Contents

Origin and Evolution of Precambrian High-Grade Gneiss Terranes, with Special Emphasis on the Limpopo Complex of Southern Africa

GeoRef

References

Related

Citing Books via

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