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Permanent link (DOI): https://doi.org/10.7939/R30F0B

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Geology of the Nicola Group in the vicinity of the Iron Mask batholith, Kamloops, British Columbia Open Access

Descriptions

Other title
Subject/Keyword
Iron Mask
Geology
Structural
Nicola
Kamloops
batholith
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
White, Shawna
Supervisor and department
Dr. Philippe Erdmer, Earth and Atmospheric Sciences
Examining committee member and department
Dr. Claire Currie, Physics
Dr. Tom Chacko, Earth and Atmospheric Sciences
Department
Department of Earth and Atmospheric Sciences
Specialization

Date accepted
2010-01-29T16:34:13Z
Graduation date
2010-06
Degree
Master of Science
Degree level
Master's
Abstract
Two regional scale deformation events are observed in the Kamloops region. A Late Triassic-Early Jurassic southwest directed compressional event and a later Tertiary extensional deformation episode, manifested in the uplift of the Nicola horst. The Nicola horst is bounded to the northeast by the Cherry Creek Tectonic Zone, a northwest striking fault zone that separates schistose footwall rocks of the Nicola horst from relatively undeformed Nicola Group rocks in the hanging wall. The fault is interpreted to have accommodated multiple episodes of movement associated with both compressional and extensional tectonics. A pervasive metamorphic fabric, exposed in the horst and cross-cut by the 144.8 ± 5.9 Ma LeJeune granodiorite, is interpreted to represent a broad, Middle Jurassic shear zone, formed by east-directed translation of the Nicola arc during contractional tectonics inboard of an east dipping subduction zone. Variations in orientation of the fabric suggest subsequent east-directed compression during post-Jurassic, pre-Eocene deformation.
Language
English
DOI
doi:10.7939/R30F0B
Rights
License granted by Shawna White (sewhite@ualberta.ca) on 2010-01-29 (GMT): Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of the above terms. The author reserves all other publication and other rights in association with the copyright in the thesis, and except as herein provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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File title: thesis draft final1.pdf
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