Hi Elton,
you are right with the slickensides. But some comments on Maskelynite:
It is NOT from olivine ! it is a glassy mineral which has a composition of
plagioclase feldspar. It results from quenching from shock induced melt !
ref: http://www.lpi.usra.edu/meetings/metsoc99/pdf/5047.pdf
Harald
Hello Graham,List and-- Expeditionary Members,
wherever you are
It is an easy mistake in the broad scheme of things
but the striation features in these photos are not
shock veins but slickensides. Slickensides are the
slippage surfaces of micro/macro faults where each
side is ground down in
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