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Sample U3CN5-2800HS

NavDat sample number 84829 · PYROCLASTIC-FALL

Sample

Sample IDU3CN5-2800HS
Rock namePYROCLASTIC-FALL
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
CommentProbably nonwelded tuff: Brownish gray; strongly quartzo-feldspathic with substantial argillic argillization; common felsic phenocrysts of pseudomorphs after plagioclase and much less, mostly unaltered sanidine; common to abundant black biotite; rare lithic fragments.

Location

Latitude37.0576
Longitude-116.022
State / provinceNEVADA

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
52.5 66.4 38.6

Analyses

No chemical analyses are stored for this sample.

References