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Sample 87-215

NavDat sample number 22301 · ANDESITE

Sample

Sample ID87-215
Rock nameANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS

Location

Latitude46.4718
Longitude-121.855
State / provinceWashington

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
28 24 33

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO259.6WT%XRF
TIO21.54WT%XRF
AL2O316.08WT%XRF
FEO8.68WT%XRF
MNO0.17WT%XRF
MGO2.25WT%XRF
CAO6.12WT%XRF
NA2O4.3WT%XRF
K2O0.96WT%XRF
P2O50.29WT%XRF

References