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Sample 836

NavDat sample number 130115 · ANDESITE

Sample

Sample ID836
Rock nameANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS
Collected byBacon and Lanphere
CommentKerr Notch, near lake shore of N of Redcloud Cliff

Location

Latitude42.9391
Longitude-122.055
State / provinceOregon

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
0.341 0.333 0.349

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO260.8WT%XRF
K2O1.529WT%XRF

References