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Sample s_SH149

NavDat sample number 41468 · DACITE

Sample

Sample IDs_SH149
Rock nameDACITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
CommentACTIVE MOUND

Location

Latitude46.2
Longitude-122.18
LocationCASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / PACIFIC OCEAN
State / provinceWASHINGTON

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
-0.00198 0 -0.002178

Analyses

Mineral

ItemValueStd. dev.UnitMethod
SIO297.79WT%EPMA
TIO20.1WT%EPMA
AL2O31.99WT%EPMA
FEOT0.16WT%EPMA
CAO0.07WT%EPMA
MGO0.02WT%EPMA
MNO0WT%EPMA
K2O0.52WT%EPMA
NA2O0.55WT%EPMA

References