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Sample P-5

NavDat sample number 67133 · DACITE

Sample

Sample IDP-5
Rock nameDACITE
Rock typePLUTONIC
CompositionFELSIC
MaterialIGNEOUS

Location

Latitude39.08
Longitude-106.58
Locationgrizzly peak cauldron
State / provinceCOLORADO
FormationPost-resurgent intrusions of Grizzly Peak Cauldron

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
33 29.7 36.3

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO262.2WT%XRF
AL2O316.7WT%XRF
FE2O35.33WT%XRF
MGO1.72WT%XRF
CAO3.67WT%XRF
NA2O3.34WT%XRF
K2O3.5WT%XRF
TIO20.63WT%XRF
P2O50.25WT%XRF
MNO0.06WT%XRF
SIO263.1WT%XRF
AL2O314.87WT%XRF
FE2O34.15WT%XRF
MGO2.44WT%XRF
CAO3.47WT%XRF
NA2O3.09WT%XRF
K2O3.18WT%XRF
TIO20.72WT%XRF
P2O50.23WT%XRF
MNO0.07WT%XRF
NB13PPMXRF
ZR261PPMXRF
Y25PPMXRF
SR686PPMXRF
RB94PPMXRF
BA1480PPMXRF

References