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Sample YU-PZA26b

NavDat sample number 2973 · RHYOLITE

Sample

Sample IDYU-PZA26b
Rock nameRHYOLITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
Collected byPansze, Arthur J
Commentfine-grained phenocrysts of magnetite, biotite, quartz, and sanidine in a groundmass of vitric and felsitic material

Location

Latitude43.0035
Longitude-116.794
Locationfrom an exogenous dome of rhyolite porphyry; Owyhee County
State / provinceIdaho
Volcanic fieldupper rhyolite unit

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
16 15.7 16.3

Analyses

No chemical analyses are stored for this sample.

References