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Sample s_139B

NavDat sample number 10992 · DACITE

Sample

Sample IDs_139B
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
SIO273.6WT%EPMA
TIO20.86WT%EPMA
AL2O312.7WT%EPMA
FEOT2.59WT%EPMA
CAO1.66WT%EPMA
MGO0.27WT%EPMA
MNO0.09WT%EPMA
K2O2.22WT%EPMA
NA2O4.31WT%EPMA

References