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Sample s_147A

NavDat sample number 11007 · DACITE

Sample

Sample IDs_147A
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
SIO264.7WT%EPMA
TIO20.54WT%EPMA
AL2O315.8WT%EPMA
FEOT3.04WT%EPMA
CAO3.69WT%EPMA
MGO1.04WT%EPMA
K2O1.24WT%EPMA
NA2O4.78WT%EPMA

References