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Sample 87-225

NavDat sample number 22292 · ANDESITE

Sample

Sample ID87-225
Rock nameANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS

Location

Latitude46.4707
Longitude-121.752
State / provinceWashington

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
28 24 33

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO257.5WT%XRF
TIO21.61WT%XRF
AL2O316.13WT%XRF
FEO9.21WT%XRF
MNO0.18WT%XRF
MGO3.31WT%XRF
CAO6.06WT%XRF
NA2O5.17WT%XRF
K2O0.56WT%XRF
P2O50.27WT%XRF

References