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Sample T096

NavDat sample number 6895 · LATITE

Sample

Sample IDT096
Rock nameLATITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS
Commentaphanitic holocrystalline groundmass with phenocrysts of plagioclase, hornblende, biotite, and rare aegirine-augite; groundmass composed of lath-shaped orthoclase arranged in pilotaxitic texture, interstitial quartz; glomerophyric

Location

Latitude44.4146
Longitude-104.022
LocationBlack Hills
State / provinceSouth Dakota
Volcanic fieldTinton District

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
48 38 59

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO265.69WT%XRF
AL2O317.49WT%XRF
FE2O31.84WT%XRF
FEO1.38WT%XRF
MGO0.72WT%XRF
CAO3.26WT%XRF
NA2O5.18WT%XRF
K2O3.5WT%XRF
TIO20.32WT%XRF
P2O50.22WT%XRF
MNO0.38WT%XRF
SO30WT%XRF

References