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Sample CH 19

NavDat sample number 34449 · TUFF

Sample

Sample IDCH 19
Rock nameTUFF
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
Commentdevitrified

Location

Latitude44.521
Longitude-114.436
LocationChallis volcanic field
State / provinceIdaho
Volcanic fieldTuff of Challis Creek, upper cooling unit

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
45.5 45.2 45.8

Analyses

Glass

ItemValueStd. dev.UnitMethod
SIO277.56WT%EPMA
TIO20.05WT%EPMA
AL2O39.75WT%EPMA
MGO0.07WT%EPMA
CAO0.09WT%EPMA
MNO0.01WT%EPMA
FEO1.341WT%EPMA
NA2O2.89WT%EPMA
K2O4.5WT%EPMA
TOTAL96.261WT%EPMA

References