Raman Spectroscopy of Planar Deformation Features of Shocked Quartz Samples from Ries and Barringer Impact Structures

SAMPLES FROM RIES AND BARRINGER IMPACT STRUCTURES. T. Okumura 1 , A. Gucsik 2 , H. Nishido 1 , K. Ninagawa 3 , 1 Research Institute of Natural Sciences, Okayama University of Science, 1-1 Ridai-cho, Okayama, 700-0005, Japan; 2 Arkansas Center for Space and Planetary Sciences, University of Arkansas (agucsik@uark.edu, gucsik@mailmax.hu), 202 Old Museum Building, Fayetteville, AR 72701, USA; 3 Okayama University of Science, Department of Applied Physics, 1-1 Ridai-cho, Okayama, 700-0005, Japan