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Sample 98

NavDat sample number 20608 · LATITE

Sample

Sample ID98
Rock nameLATITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS
Commentmedium porphyritic; phenocrysts of feldspar prisms, pyroxene prismoids, needles of amphibole, grains of magnetite; holocrystalline hypautomorphic granular groundmass of Na orthoclase prismoids, diopside needles, lesser amounts of analcite, sodalite, hornblende, magnetite, sphene, apatite, calcite, and zircon

Location

Latitude42.7422
Longitude-107.291
LocationRattlesnake Hills
State / provinceWyoming

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
38 32 44

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO255.86WT%UNKNOWN
AL2O318.02WT%UNKNOWN
FE2O33.66WT%UNKNOWN
FEO1.42WT%UNKNOWN
MGO1.57WT%UNKNOWN
CAO5.44WT%UNKNOWN
NA2O4.38WT%UNKNOWN
K2O4.12WT%UNKNOWN
H2O_PLUS3.3WT%UNKNOWN
H2O_MINUS1.02WT%UNKNOWN
TIO20.72WT%UNKNOWN
P2O50.09WT%UNKNOWN
MNO0.16WT%UNKNOWN
SO30.08WT%UNKNOWN
TOTAL99.84WT%UNKNOWN
FEOT4.71WT%UNKNOWN

References