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Sample 1-113

NavDat sample number 4766 · MONZONITE

Sample

Sample ID1-113
Rock nameMONZONITE
Rock typePLUTONIC
CompositionFELSIC
MaterialIGNEOUS
Commentabundant phenocrysts of plagioclase and sometimes anorthoclase; aphanitic groundmass that is microgranular and contains orthoclase and quartz

Location

Latitude44.3943
Longitude-103.829
State / provinceSouth Dakota
Volcanic fieldBlack Hill Tertiary igneous province

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
47 40 55

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
AL2O312.8499WT%NAA
FE2O30.8324WT%NAA
MGO1.551WT%NAA
CAO2.8176WT%NAA
NA2O2.9286WT%NAA
TIO20.1962WT%NAA
BA210.46PPMNAA
CE13.9617PPMNAA
CO1.2778PPMNAA
CR3.7715PPMNAA
CS2.1928PPMNAA
EU0.5813PPMNAA
HF2.7861PPMNAA
LA152.05PPMNAA
LU0.654PPMNAA
RB155.916PPMNAA
SB0.4306PPMNAA
SC0.4524PPMNAA
SM2.495PPMNAA
TA1.6022PPMNAA
TH63.447PPMNAA
V7.2994PPMNAA
YB2.9382PPMNAA

References