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Sample 255

NavDat sample number 7005 · ANDESITE

Sample

Sample ID255
Rock nameANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS

Location

Latitude44.5767
Longitude-114.311
State / provinceIdaho
Volcanic fieldChallis Volcanic group, andesite undivided

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
49 48 52

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO260.73WT%XRF
AL2O315.64WT%XRF
TIO21.02WT%XRF
FE2O3T7.82WT%XRF
CAO6.34WT%XRF
MGO3.09WT%XRF
K2O3.66WT%XRF
NA2O2.87WT%XRF
MNO0.09WT%XRF
P2O50.26WT%XRF

References