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Sample 1-96

NavDat sample number 4753 · MONZONITE

Sample

Sample ID1-96
Rock nameMONZONITE
Rock typePLUTONIC
CompositionFELSIC
MaterialIGNEOUS
Commentabundant phenocrysts of plagioclase and sometimes anorthoclase; aphanitic groundmass that is microgranular and contains orthoclase and quartz

Location

Latitude44.3905
Longitude-103.787
State / provinceSouth Dakota
Volcanic fieldBlack Hill Tertiary igneous province

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
47 40 55

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
AL2O316.4697WT%NAA
FE2O32.5422WT%NAA
MGO2.3741WT%NAA
CAO1.4411WT%NAA
NA2O4.8966WT%NAA
TIO20.3229WT%NAA
MNO0.0827WT%NAA
BA253.521PPMNAA
CE122.219PPMNAA
CO4.5304PPMNAA
CR13.6981PPMNAA
CS3.87PPMNAA
EU1.5528PPMNAA
HF4.0897PPMNAA
LA49.283PPMNAA
LU0.1979PPMNAA
RB130.609PPMNAA
SB0.5193PPMNAA
SC2.8159PPMNAA
SM5.9399PPMNAA
TA0.9315PPMNAA
TH15.6432PPMNAA
V31.9154PPMNAA
YB1.0265PPMNAA

References