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Sample 95ID-42A

NavDat sample number 38656

Sample

Sample ID95ID-42A
Rock typeVOLCANIC
MaterialIGNEOUS
Commentfine grained porphyritic with phenos of plag, opx, cpx, opaques, and bio; cryptocrystalline groundmass

Location

Latitude44.4433
Longitude-114.227
LocationBirch Creek; same locality as 95ID-42B but different dike
State / provinceIdaho
Volcanic fielddike from Tdf unit, Challis Volcanic Group

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
48 46 50

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO264.14WT%XRF
TIO20.74WT%XRF
AL2O315.33WT%XRF
FEOT4.97WT%XRF
MNO0.09WT%XRF
MGO3.02WT%XRF
CAO4.9WT%XRF
NA2O3.51WT%XRF
K2O3.07WT%XRF
P2O50.24WT%XRF
LOI1.97WT%XRF
TOTAL100WT%XRF
NI12PPMXRF
CR68PPMXRF
SC14PPMXRF
V90PPMXRF
GA22PPMXRF
CU15PPMXRF
ZN66PPMXRF
ZR206PPMXRF
NB18.4PPMXRF
BA1124PPMXRF
RB112PPMXRF
SR502PPMXRF
PB16PPMXRF
TH16PPMXRF
Y22PPMXRF
LA47PPMXRF
CE94PPMXRF

References