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Sample JDB412

NavDat sample number 42050 · ANDESITE

Sample

Sample IDJDB412
Rock nameANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS

Location

Latitude43.93
Longitude-113.96
LocationPorphyry Peak, White Knob Mountains, Custer County
State / provinceIdaho
Volcanic fieldChallis Volcanic Field

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
48.8 48 49.6

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO260.8WT%XRF
TIO20.73WT%XRF
AL2O315.76WT%XRF
FE2O33.89WT%XRF
FEO1.83WT%XRF
MNO0.06WT%XRF
MGO2.99WT%XRF
CAO4.91WT%XRF
NA2O3.35WT%XRF
K2O2.8WT%XRF
P2O50.2WT%XRF
RB62PPMXRF
SR544PPMXRF
BA1268PPMXRF
Y5PPMXRF
ZR152PPMXRF
V108PPMXRF
NI31PPMXRF
CR87PPMXRF

References