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SAMPLE INFO : Barth_1956_16
Sample ID:Barth_1956_16
Station ID:Barth_1956_16
Latitude:56.58
Longitude:-169.63
Datum:NAD83
Date Sampled:1948-01-01
Sample Type 1:Lava
Text Description:
Sample of phyric hyalobasanite forming a dike spreading out to a sill. Phenocrysts of olivine and augite make up about 30 percent of the rock. The groundmass is fine grained with very small crystals of pyroxene, olivine, and magnetite in a meshwork of plagioclase laths and glass.

References:
Geology and petrology of the Pribilof Islands, Alaska

GEOCHEM DATA