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Sample 131

NavDat sample number 16736 · TRACHYTE

Sample

Sample ID131
Rock nameTRACHYTE
Rock typePLUTONIC
CompositionINTERMEDIATE
MaterialIGNEOUS
Commentintrusive, hypabyssal, aegerine trachyte

Location

Latitude44.3493
Longitude-103.844
LocationBlack Hills
State / provinceSouth Dakota
Volcanic fieldRichmond Hill intrusive complex

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
49 39 60

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO254.7WT%WET
AL2O319.8WT%WET
FE2O3T4.9WT%WET
CAO4.4WT%WET
MGO0.4WT%WET
NA2O8.5WT%WET
K2O5.4WT%WET
TIO20.2WT%WET
MNO0.11WT%WET
BA800PPMAAS
CR50PPMAAS
CU80PPMAAS
NI20PPMAAS
PB27PPMAAS
SR770PPMAAS
ZN140PPMAAS
ZR500PPMAAS
MO10PPMAAS

References