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SAMPLE INFO : 84Au-112b
Sample ID:84Au-112b
Station ID:84Au-112
Date Sampled:1984-01-01
Sample Type 1:Lava
Sample Type 2:Flow
Field Lithology:Basalt
Text Description:
Second lithology within basalt hyaloclastite. Augite, plagioclase, and olivine phenocrysts in a very vesicular groundmass of the same mineral composition as Au-112a. Pyroxene textures are the same as in Au-112a and olivine is less euhedral.

Petrology, geochemistry, and the evolution of magmas from Augustine Volcano, Alaska


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