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Sample 496

NavDat sample number 130122 · DACITE

Sample

Sample ID496
Rock nameDACITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
Collected byBacon and Lanphere
CommentSentinel Rock, caldera wall 600m S of Sentinel Rock

Location

Latitude42.9185
Longitude-122.061
State / provinceOregon

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
0.306 0.301 0.311

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO264WT%XRF
K2O2.05WT%XRF

References