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Sample BC114

NavDat sample number 6843 · PHONOLITE

Sample

Sample IDBC114
Rock namePHONOLITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS
Commentturbulent texture; groundmass of sanidine, chlorite, smectite, kaolinite; phenocrysts of sanidine, anorthoclase, aegirine-augite, feldspathoids?; xenoliths of shale and sandstone

Location

Latitude44.6573
Longitude-104.764
LocationBarlow Canyon
State / provinceWyoming
Volcanic fieldBarlow Canyon contact zone

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
50.9 49.2 52.6

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO263.18WT%XRF
AL2O322.94WT%XRF
FEO1.77WT%XRF
MGO1.43WT%XRF
CAO0.52WT%XRF
NA2O2.08WT%EPMA
K2O6.78WT%XRF
TIO20.41WT%XRF

References