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Sample 28

NavDat sample number 5024 · DACITE

Sample

Sample ID28
Rock nameDACITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS

Location

Latitude44.965
Longitude-122.156
State / provinceOregon

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
21 17 25

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO268.68WT%COL
TIO20.65WT%XRF
AL2O315.71WT%XRF
FEOT5.2WT%XRF
MGO0.2WT%AAS
CAO2.7WT%XRF
NA2O5.2WT%AAS
K2O1.66WT%XRF
TOTAL99.91WT%COL

References