“Figure parts a-e with crossed nichols. (a) Micrographic groundmass surrounds feldspar phenocryst fragment. (b) Micrographic groundmass around clinopyroxene phenocryst.”
“Blocks of anorthoclase - and clinopyroxene-bearing micorgaphic granophyre (click for photo) were ejected with rhyolitic pumice during a late-Pleistocene eruption at the Alid volcanic center, Eritrea.”
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