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Sample 1-51

NavDat sample number 4727 · MONZONITE

Sample

Sample ID1-51
Rock nameMONZONITE
Rock typePLUTONIC
CompositionFELSIC
MaterialIGNEOUS
Commentabundant phenocrysts of plagioclase and sometimes anorthoclase; aphanitic groundmass that is microgranular and contains orthoclase and quartz

Location

Latitude44.3233
Longitude-103.791
State / provinceSouth Dakota
Volcanic fieldBlack Hill Tertiary igneous province

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
47 40 55

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
AL2O318.4732WT%NAA
FE2O30.9262WT%NAA
MGO1.3908WT%NAA
CAO1.2616WT%NAA
NA2O6.857WT%NAA
TIO20.5859WT%NAA
MNO0.1128WT%NAA
BA830.68PPMNAA
CE148.552PPMNAA
CO3.5595PPMNAA
CR10.599PPMNAA
CS8.0019PPMNAA
EU2.4827PPMNAA
HF9.9792PPMNAA
LA46.9254PPMNAA
LU0.622PPMNAA
RB118.435PPMNAA
SB0.5579PPMNAA
SC1.8332PPMNAA
SM10.5073PPMNAA
TA2.6822PPMNAA
TH59.6474PPMNAA
V44.4048PPMNAA
YB3.4146PPMNAA

References