Clinopyroxene phenocryst in a shonkinite#thinsectionthursday pic.twitter.com/Fu8t8mUbIF
— Ruth Siddall (@R_Siddall) August 29, 2019
via Twitter https://twitter.com/R_Siddall
August 29, 2019 at 05:36PM
Clinopyroxene phenocryst in a shonkinite#thinsectionthursday pic.twitter.com/Fu8t8mUbIF
— Ruth Siddall (@R_Siddall) August 29, 2019
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