Evidence for residual elastic strain in deformed natural quartz

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Residual elastic strain in naturally deformed, quartz-containing rocks can be measured quantitatively in a petrographic thin section with high spatial resolution using Laue microdiffraction with white synchrotron x-rays. The measurements with a resolution of one micrometer allow the quantitative determination of the deviatoric strain tensor as a function of position within the crystal investigated. The observed equivalent strain values of 800-1200 microstrains represent a lower bound of the actual preserved residual strain in the rock, since the stress component perpendicular to the cut sample surface plane is released. The measured equivalent strain translates into an equivalent stress in the order ... continued below

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Kunz, Martin; Chen, Kai; Tamura,Nobumichi & Wenk, Hans-Rudolf January 30, 2009.

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Residual elastic strain in naturally deformed, quartz-containing rocks can be measured quantitatively in a petrographic thin section with high spatial resolution using Laue microdiffraction with white synchrotron x-rays. The measurements with a resolution of one micrometer allow the quantitative determination of the deviatoric strain tensor as a function of position within the crystal investigated. The observed equivalent strain values of 800-1200 microstrains represent a lower bound of the actual preserved residual strain in the rock, since the stress component perpendicular to the cut sample surface plane is released. The measured equivalent strain translates into an equivalent stress in the order of {approx} 50 MPa.

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  • Journal Name: American Mineralogist

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  • Report No.: LBNL-1749E
  • Grant Number: DE-AC02-05CH11231
  • DOI: 10.2138/am.2009.3216 | External Link
  • Office of Scientific & Technical Information Report Number: 951784
  • Archival Resource Key: ark:/67531/metadc930318

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  • January 30, 2009

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  • Nov. 13, 2016, 7:26 p.m.

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  • Jan. 4, 2017, 3:33 p.m.

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Kunz, Martin; Chen, Kai; Tamura,Nobumichi & Wenk, Hans-Rudolf. Evidence for residual elastic strain in deformed natural quartz, article, January 30, 2009; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc930318/: accessed October 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.