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Sample 121

NavDat sample number 17613 · RHYODACITE

Sample

Sample ID121
Rock nameRHYODACITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
CommentMaximum and minimum ages given are approximations based on average error of previous K-Ar dating.

Location

Latitude32.7697
Longitude-108.107
LocationKneeling Nun
State / provinceNew Mexico

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
33.4 32.4 34.4

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO267.6WT%EDXRF
AL2O315.2WT%EDXRF
FEO2.6WT%EDXRF
MGO1.6WT%EDXRF
CAO2.2WT%EDXRF
NA2O4.8WT%EDXRF
K2O5.4WT%EDXRF
TOTAL99.4WT%EDXRF

References