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Sample No Sample Name

NavDat sample number 29592 · RHYOLITE

Sample

Sample IDNo Sample Name
Rock nameRHYOLITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
Commentrhyolitic obsidian

Location

Latitude41.6167
Longitude-121.5
LocationBig Glass Mountain
State / provinceCalifornia
Volcanic fieldMedicine Lake Highlands
Location commentassociated with dacite in northeastern tongue of rhyolite-dacite composite flow

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
0 0 0.01 Holocene

Analyses

Glass

ItemValueStd. dev.UnitMethod
SIO273.6WT%UNKNOWN
AL2O313.7WT%UNKNOWN
FE2O30.4WT%UNKNOWN
FEO2.2WT%UNKNOWN
MGO0.54WT%UNKNOWN
CAO1.7WT%UNKNOWN
NA2O3.78WT%UNKNOWN
K2O3.98WT%UNKNOWN
H2O_PLUS0WT%UNKNOWN
H2O_MINUS0WT%UNKNOWN
TIO20.2WT%UNKNOWN
MNO0WT%UNKNOWN

References