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Sample TR-20

NavDat sample number 5037 · ANDESITE

Sample

Sample IDTR-20
Rock nameANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS

Location

Latitude44.666
Longitude-121.977
State / provinceOregon

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
4 2 7

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO261.65WT%COL
TIO20.89WT%XRF
AL2O317.7WT%XRF
FEOT4.22WT%XRF
MGO3.72WT%AAS
CAO6.54WT%XRF
NA2O4.22WT%AAS
K2O1.06WT%XRF
TOTAL99.41WT%XRF

References