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Sample JDB409

NavDat sample number 42049 · DACITE

Sample

Sample IDJDB409
Rock nameDACITE
Rock typePLUTONIC
CompositionFELSIC
MaterialIGNEOUS

Location

Latitude43.93
Longitude-113.96
LocationPorphyry Peak, White Knob Mountains, Custer County
State / provinceIdaho
Volcanic fielddacite porphyry intrusion, Challis Volcanic Field

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
48.8 48 49.6

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO266.41WT%XRF
TIO20.5WT%XRF
AL2O314.4WT%XRF
FE2O33.07WT%XRF
FEO1.25WT%XRF
MNO0.07WT%XRF
MGO1.8WT%XRF
CAO3.12WT%XRF
NA2O3.5WT%XRF
K2O3.63WT%XRF
P2O50.18WT%XRF
RB73PPMXRF
SR393PPMXRF
BA1069PPMXRF
Y7PPMXRF
ZR115PPMXRF
V69PPMXRF
NI13PPMXRF
CR55PPMXRF

References