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Sample USGSM-BH17

NavDat sample number 2891 · DACITE

Sample

Sample IDUSGSM-BH17
Rock nameDACITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
CommentGreenish-gray porphyritic dacite with plagioclase and hornblende phenocrysts in a fine-grained groundmass. Some hornblende is chloritized.

Location

Latitude38.1914
Longitude-119.008
LocationMono County, CA
State / provinceCalifornia
Volcanic fieldBodie Mining District and Bodie Hills Volcanic Field
Location commenttop of Queen Bee Hill

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
9.4 8.9 9.9

Analyses

No chemical analyses are stored for this sample.

References