← Search

Sample s_140B

NavDat sample number 10989 · DACITE

Sample

Sample IDs_140B
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
SIO274.4WT%EPMA
TIO20.79WT%EPMA
AL2O312.2WT%EPMA
FEOT3.45WT%EPMA
CAO1.19WT%EPMA
MGO0.2WT%EPMA
MNO0.06WT%EPMA
K2O2.52WT%EPMA
NA2O4.37WT%EPMA

References