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Sample TFR-1

NavDat sample number 7149 · TUFF

Sample

Sample IDTFR-1
Rock nameTUFF
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
Collected byH.F. Bonham, Nevada Bureau of Mines and Geology, and R.P. Ashley and M.L. Silberman, U.S. Geological Survey.
CommentLower unit, King Tonopah Member of Fraction Tuff. The biotite age from this sample is slightly older than the other mineral ages from this and other samples of the King Tonopah Member of the Fraction Tuff; this older age may be due to crystal contamination during the eruption process.

Location

Latitude38.0972
Longitude-117.218
LocationNye Co., NV
State / provinceNevada

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
22.1 21.5 22.7 M.L. Silberman and E.H. McKee, U.S. Geological Survey.

Analyses

No chemical analyses are stored for this sample.

References