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Sample 268

NavDat sample number 17742 · RHYOLITE

Sample

Sample ID268
Rock nameRHYOLITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
CommentMaximum and minimum ages given are approximations based on average error of previous K-Ar dating.

Location

Latitude32.7042
Longitude-107.961
LocationCaballo Blanco
State / provinceNew Mexico

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
29.8 28.8 30.8

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO274.6WT%EDXRF
AL2O312.2WT%EDXRF
FEO1.8WT%EDXRF
MGO0.3WT%EDXRF
CAO2.8WT%EDXRF
NA2O2.1WT%EDXRF
K2O5.8WT%EDXRF
TOTAL99.6WT%EDXRF

References