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Sample B74-30

NavDat sample number 5276 · RHYODACITE

Sample

Sample IDB74-30
Rock nameRHYODACITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS

Location

Latitude36.1821
Longitude-117.924
State / provinceCalifornia
Volcanic fieldCoso

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
2.52 2.268 2.772

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO266.88WT%XRF
TIO20.52WT%XRF
AL2O315.81WT%XRF
FE2O31.75WT%XRF
FEO1.57WT%XRF
MNO0.04WT%XRF
MGO1.62WT%AAS
CAO2.92WT%XRF
NA2O3.45WT%AAS
K2O3.38WT%XRF
P2O50.19WT%UNKNOWN
H2O2.08WT%UNKNOWN

References