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Raman spectra of shocked minerals. I - OlivineThe Raman spectra of olivine contained in a chip of the Twin Sisters Peak (Washington) dunite shocked to 22.2 GPa is shown to be identical to that of unshocked olivine in the same rock. The Raman spectra of powder of the rock shocked to 20.1 GPa and of chips shocked to 59.5 GPa and 60.7 GPa display strong and broad low-frequency features with crests at 475/cm, 556/cm, and 572/cm, and broad high-frequency features near 1100/cm. It is suggested that these features are due to the formation of olivine glass with a considerable degree of three-dimensional Si-O-Si linkage having scattered domains of greatly variable grain size, internal structure, and chemical composition.
Document ID
19890045645
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Heymann, D.
(Rice University Houston, TX, United States)
Celucci, T. A.
(Shell Development West Hollow Research Center Houston, TX, United States)
Date Acquired
August 14, 2013
Publication Date
December 1, 1988
Publication Information
Publication: Meteoritics
Volume: 23
ISSN: 0026-1114
Subject Category
Geophysics
Accession Number
89A33016
Funding Number(s)
CONTRACT_GRANT: NAG9-88
Distribution Limits
Public
Copyright
Other

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