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SAMPLE INFO : UM4
Sample ID:UM4
Station ID:UM4
Latitude:53.416
Longitude:-167.885
Datum:NAD83
Sample Type 1:Lava
Sample Type 2:Flow
Field Lithology:Basalt
Text Description:
Description from Walker (1974): Mafic phenocryst basalt from the Ashishik. Description from Kay et al. (1978): Olivine basalt. Flow down hill from road, Byers (1959) mafic phenocryst basalt unit. Color value from rock-color chart distributed by the Geological Society of America: (N4, IVc)

References:
Trace element variation in the volcanic rocks of Adak and Umnak Islands of the Aleutian Arc
Pb and Sr isotopes in volcanic rocks from the Aleutian Islands and Pribilof Islands, Alaska
Geochemical constraints on the origin of Aleutian magmas
Lead isotope studies of young volcanic rocks from oceanic islands, mid-ocean ridges, and island arcs

GEOCHEM DATA