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Sample s_178A

NavDat sample number 11018 · DACITE

Sample

Sample IDs_178A
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
SIO273.08WT%EPMA
TIO20.47WT%EPMA
AL2O312.83WT%EPMA
FEO1.78WT%EPMA
CAO1.92WT%EPMA
MGO0.54WT%EPMA
MNO0.02WT%EPMA
K2O2.25WT%EPMA
NA2O4WT%EPMA

References