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SAMPLE INFO : K-2596
Sample ID:K-2596
Station ID:K-2596
Latitude:58.324
Longitude:-154.726
Datum:NAD83
Sample Type 1:Lava
Sample Type 2:Flow
Text Description:
Sample in thin section is 30-35% plagioclase, to 3 mm; 10% subequal amounts of clinopyroxene and orthopyroxene, to 2 mm; 1-2% oxides, to 0.4 mm; no olivine, sieved plagioclase common, oxide-pyroxene-plagioclase aggregates present. Sample is from SW Snowy volcano. Top lava flow on SW Summit, Peak 6770. Sample has a whole-rock K-Ar calculated age of 196 +/- 8 ka (Hildreth and others, 2001).

References:
Snowy Mountain: A pair of small andesite-dacite stratovolcanoes in Katmai National Park

GEOCHEM DATA