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Sample 1

NavDat sample number 17532 · ANDESITE

Sample

Sample ID1
Rock nameANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS
CommentMaximum and minimum ages given are approximations based on average error of previous K-Ar dating.

Location

Latitude32.5847
Longitude-107.586
LocationMacho
State / provinceNew Mexico

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
40.7 39.7 41.7

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO261.28WT%EDXRF
TIO20.51WT%EDXRF
AL2O316.58WT%EDXRF
FEO1.58WT%EDXRF
FE2O32.49WT%EDXRF
MNO0.06WT%EDXRF
MGO1.76WT%EDXRF
CAO5.42WT%EDXRF
NA2O4.1WT%EDXRF
K2O3.47WT%EDXRF
P2O50.25WT%EDXRF
H2O_PLUS1.36WT%EDXRF

References