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Sample THR 72196-3

NavDat sample number 38995 · RHYODACITE

Sample

Sample IDTHR 72196-3
Rock nameRHYODACITE
Rock typePLUTONIC
CompositionFELSIC
MaterialIGNEOUS
Commentporphyritic; fine to medium crystalline groundmass; present as dikes, veins, and isolated outcrops throught the granite stock

Location

Latitude43.7686
Longitude-114.772
LocationSmoky Mountains
State / provinceIdaho
Volcanic fieldPrairie Creek rhyodacite-rhyolite suite

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
42 38.9 46.7

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO268.82WT%XRF
AL2O314.53WT%XRF
TIO20.578WT%XRF
FEOT2.99WT%XRF
MNO0.062WT%XRF
CAO2.46WT%XRF
MGO1.64WT%XRF
K2O5.23WT%XRF
NA2O3.49WT%XRF
P2O50.208WT%XRF
NI19PPMXRF
CR42PPMXRF
SC10PPMXRF
V65PPMXRF
BA1062PPMXRF
RB215PPMXRF
SR415PPMXRF
ZR221PPMXRF
Y22PPMXRF
NB30PPMXRF
GA17PPMXRF
CU8PPMXRF
ZN52PPMXRF
PB29PPMXRF
LA64PPMXRF
CE101PPMXRF
TH31PPMXRF

References