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Sample s_157B

NavDat sample number 10999 · DACITE

Sample

Sample IDs_157B
Rock nameDACITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
CommentPUMICE

Location

Latitude46.1436
Longitude-122.202
LocationCASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN
State / provinceWASHINGTON

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
-0.00198025 -0.00198026 -0.00198024

Analyses

Volcanic glass

ItemValueStd. dev.UnitMethod
SIO269.2WT%EPMA
TIO20.47WT%EPMA
AL2O313.5WT%EPMA
FEOT2.73WT%EPMA
CAO2.17WT%EPMA
MGO0.44WT%EPMA
K2O1.88WT%EPMA
NA2O5.49WT%EPMA

References