id author title date pages extension mime words sentence flesch summary cache txt 4q77fq99595 Katie Marie O'Sullivan Petrogenesis of Planetary Basalts Using Crystal Stratigraphy 2012 .txt text/plain 281 10 34 Using the crystal stratigraphy approach, the complete crystallization history from the onset of pyroxene crystallization to the final dregs of crystallization are determined for the Martian meteorite Shergotty. This study finds that Shergotty formed from 2 discrete batches of magma, both with pyroxene on the liquidus, which then mixed with continued pyroxene crystallization. cache/4q77fq99595.txt txt/4q77fq99595.txt