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Sample SIE-2

NavDat sample number 7153 · TRACHYANDESITE

Sample

Sample IDSIE-2
Rock nameTRACHYANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS
Collected byH.F. Bonham, Nevada Bureau of Mines and Geology, and R.P. Ashley and M.L. Silberman, U.S. Geological Survey.
CommentFine-grained porphyritic trachyandesite from Siebert Formation. Sample is from a trachyandesite flow interbedded in the Siebert Formation.

Location

Latitude38.0525
Longitude-117.254
LocationEsmeralda Co., NV
State / provinceNevada

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
16.6 16 17.2 M.L. Silberman, U.S. Geological Survey.

Analyses

No chemical analyses are stored for this sample.

References