TY - RPRT TI - Distinguishing shocked from tectonically deformed quartz by the use of the SEM and chemical etching AU - A.J. Gratz AU - D.K. Fisler AU - B.F. Bohor PY - 1996 DO - 10.1016/0012-821x(96)00099-4 UR - https://pubs.usgs.gov/publication/70019065 ID - 70019065 ER -