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Sample 143

NavDat sample number 130150 · ANDESITE

Sample

Sample ID143
Rock nameANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS
Collected byBacon and Lanphere
CommentLlao Bay, upper unit, cladera wall @ of Pumice Point

Location

Latitude42.9725
Longitude-122.105
State / provinceOregon

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
0.106 0.099 0.113

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO260.8WT%XRF
K2O1.716WT%XRF

References