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Sample GC-135

NavDat sample number 7144 · DACITE

Sample

Sample IDGC-135
Rock nameDACITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
Collected byH.F. Bonham and L.J. Garside, Nevada Bureau of Mines and Geology.
CommentPorphyritic biotite-hornblende dacite, Mizpah Formation. Main host rock for ore deposits of the Tonopah mining district.

Location

Latitude38.0803
Longitude-117.224
LocationNye Co., NV
State / provinceNevada

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
21 20.2 21.8 M.L. Silberman, U.S. Geological Survey.

Analyses

No chemical analyses are stored for this sample.

References