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Sample 433

NavDat sample number 130163 · ANDESITE

Sample

Sample ID433
Rock nameANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS
Collected byBacon and Lanphere
CommentHillman Peak, 150m W of summit

Location

Latitude42.95
Longitude-122.168
State / provinceOregon

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
0.061 0.053 0.069

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO258.9WT%XRF
K2O1.532WT%XRF

References