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Sample 472

NavDat sample number 130139 · ANDESITE

Sample

Sample ID472
Rock nameANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS
Collected byBacon and Lanphere
CommentGarfield Peak, 50m SW of summit

Location

Latitude42.9022
Longitude-122.123
State / provinceOregon

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
0.224 0.215 0.233

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO261WT%XRF
K2O1.259WT%XRF

References