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Sample YU-PZA325

NavDat sample number 2977 · RHYOLITE

Sample

Sample IDYU-PZA325
Rock nameRHYOLITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
Collected byPansze, Arthur J
Commentgrey, flow-layered rhyolite with 25-30% phenocrysts of quartz and sanidine in a devitrified, felsitic groundmass

Location

Latitude43.0167
Longitude-116.862
Locationfrom exogenous dome; S of Wagontown and E of Jordan Creek; Owyhee County
State / provinceIdaho
Volcanic fieldupper rhyolite unit

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
16.1 15.8 16.4

Analyses

No chemical analyses are stored for this sample.

References