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Sample KA1267

NavDat sample number 2991 · PYROCLASTIC FLOW

Sample

Sample IDKA1267
Rock namePYROCLASTIC FLOW
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
Collected byR. Rose, San Jose State College
CommentRhyolite conformably underlying Alta Formation in which shales containing Sutro flora are interbedded. The location does not check out with geology as no Alta occurs in vicinity-probably incorrect location.

Location

Latitude39.325
Longitude-119.633
LocationVirginia Range
State / provinceNevada
FormationHartford Hill Rhyolite Tuff
Location commentStorey County, NV ; Lat/Lon location may be incorrect as geology does not agree with it

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
23.3 20.97 25.63

Analyses

No chemical analyses are stored for this sample.

References