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Sample UE18T-1387.5

NavDat sample number 85551 · TUFF

Sample

Sample IDUE18T-1387.5
Rock nameTUFF
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
CommentSample is pinkish gray quartzo-feldspathic nonwelded tuff with scattered crystal-rich lenses, indicating reworking. Scarce to common pumice to 11 mm has been mostly dissolved, with coarse granular secondary felsics coating surfaces of these voids. Common felsic phenocrysts to 1.2 mm include quartz. Black to bronze biotite to 0.6 mm is rare, and lithics to 4 mm are scarce to common.

Location

Latitude37.1263
Longitude-116.329
State / provinceNEVADA

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
11.485 11.5 11.47

Analyses

No chemical analyses are stored for this sample.

References