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Thermal Emission Spectrometer Mosaics of Impact Craters: Progress on Shocked Plagioclase DetectionsHigh shock pressures disorder the mineral lattice of plagioclase feldspars and cause weakening and shifts in thermal infrared absorption bands related to an increase in diaplectic glass content, particularly at shock pressures above ~20-25 GPa [1- 9]. We are continuing our investigation of spectral deconvolutions of TES mosaics and mosaics using standard TES orbits for eight impact crater areas. Using a combination of mineral laboratory spectra and spectra of experimentally shocked bytownite feldspars [5] to deconvolve the TES spectra, we find that locations of shocked feldspar detections are not restricted to ejecta near large craters.
Document ID
20030111188
Document Type
Conference Paper
Authors
Johnson, J. R. (Geological Survey Flagstaff, AZ, United States)
Staid, M. I. (Geological Survey Flagstaff, AZ, United States)
Titus, T. N. (Geological Survey Flagstaff, AZ, United States)
Gaddis, L. (Geological Survey Flagstaff, AZ, United States)
Date Acquired
August 21, 2013
Publication Date
January 1, 2003
Publication Information
Publication: Lunar and Planetary Science XXXIV
Subject Category
Geosciences (General)
Distribution Limits
Public
Copyright
Public Use Permitted.

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