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Title: Compressional residual stress in Bastogne boudins revealed by synchrotron X-ray microdiffraction

Abstract

Lattice distortions in crystals can be mapped at the micron scale using synchrotron X-ray Laue microdiffraction (μXRD). From lattice distortions the shape and orientation of the elastic strain tensor can be derived and interpreted in terms of residual stress. We apply the new method to vein quartz from the original boudinage locality at Bastogne, Belgium. Furthermore, a long-standing debate surrounds the kinematics of the Bastogne boudins. The μXRD measurements reveal a shortening residual elastic strain, perpendicular to the vein wall, corroborating the model that the Bastogne boudins formed by layer-parallel shortening and not by layer-parallel extension, as is in the geological community generally inferred by the process of boudinage.

Authors:
 [1];  [2];  [1];  [3];  [4];  [3]
  1. Xi'an Jiaotong Univ. (China). Center for Advancing Materials Performance from the Nanoscale
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Advanced Light Source
  3. Univ. of California, Berkeley, CA (United States). Dept. of Earth and Planetary Science
  4. Department of Earth and Environmental Sciences, KU Leuven, Leuven Belgium; Katholieke Univ. Leuven, Heverlee (Belgium). Dept. of Earth and Environmental Sciences
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); National Science Foundation (NSF)
OSTI Identifier:
1378751
Alternate Identifier(s):
OSTI ID: 1376757
Grant/Contract Number:  
AC02-05CH11231; FG02-05ER15637; EAR-1343908; 51302207; OT/11/038; G097014
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Geophysical Research Letters
Additional Journal Information:
Journal Volume: 43; Journal Issue: 12; Journal ID: ISSN 0094-8276
Publisher:
American Geophysical Union
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES

Citation Formats

Chen, Kai, Kunz, Martin, Li, Yao, Zepeda-Alarcon, Eloisa, Sintubin, Manuel, and Wenk, Hans-Rudolf. Compressional residual stress in Bastogne boudins revealed by synchrotron X-ray microdiffraction. United States: N. p., 2016. Web. doi:10.1002/2016GL069236.
Chen, Kai, Kunz, Martin, Li, Yao, Zepeda-Alarcon, Eloisa, Sintubin, Manuel, & Wenk, Hans-Rudolf. Compressional residual stress in Bastogne boudins revealed by synchrotron X-ray microdiffraction. United States. doi:10.1002/2016GL069236.
Chen, Kai, Kunz, Martin, Li, Yao, Zepeda-Alarcon, Eloisa, Sintubin, Manuel, and Wenk, Hans-Rudolf. Wed . "Compressional residual stress in Bastogne boudins revealed by synchrotron X-ray microdiffraction". United States. doi:10.1002/2016GL069236. https://www.osti.gov/servlets/purl/1378751.
@article{osti_1378751,
title = {Compressional residual stress in Bastogne boudins revealed by synchrotron X-ray microdiffraction},
author = {Chen, Kai and Kunz, Martin and Li, Yao and Zepeda-Alarcon, Eloisa and Sintubin, Manuel and Wenk, Hans-Rudolf},
abstractNote = {Lattice distortions in crystals can be mapped at the micron scale using synchrotron X-ray Laue microdiffraction (μXRD). From lattice distortions the shape and orientation of the elastic strain tensor can be derived and interpreted in terms of residual stress. We apply the new method to vein quartz from the original boudinage locality at Bastogne, Belgium. Furthermore, a long-standing debate surrounds the kinematics of the Bastogne boudins. The μXRD measurements reveal a shortening residual elastic strain, perpendicular to the vein wall, corroborating the model that the Bastogne boudins formed by layer-parallel shortening and not by layer-parallel extension, as is in the geological community generally inferred by the process of boudinage.},
doi = {10.1002/2016GL069236},
journal = {Geophysical Research Letters},
number = 12,
volume = 43,
place = {United States},
year = {Wed Jun 22 00:00:00 EDT 2016},
month = {Wed Jun 22 00:00:00 EDT 2016}
}

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