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Sample DS87-115A

NavDat sample number 45830 · RHYOLITE

Sample

Sample IDDS87-115A
Rock nameRHYOLITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS

Location

Latitude37.976
Longitude-106.971
LocationN San Luis Pass, 11,740 ft
State / provinceCOLORADO
FormationNelson Mountain Caldera cycle, Nelson Mountain Tuff, Equity phase, intracaldera

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
26.75 26 27.5

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
ZN81PPMXRF
RB101PPMXRF
SR600PPMXRF
Y20PPMXRF
ZR177PPMXRF
NB14PPMXRF
PB33PPMXRF
TH15PPMXRF

References