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Sample 205

NavDat sample number 130161 · DACITE

Sample

Sample ID205
Rock nameDACITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
Collected byBacon and Lanphere
CommentPumice Castle, highest caldera wall lava 300m S of Pumice Castle

Location

Latitude42.9279
Longitude-122.052
State / provinceOregon

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
0.047 0.035 0.059

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO265.7WT%XRF
K2O2.502WT%XRF

References