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Sample DS87-135C

NavDat sample number 45788 · RHYOLITE

Sample

Sample IDDS87-135C
Rock nameRHYOLITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS

Location

Latitude37.863
Longitude-106.696
LocationSoutheast side Nelson Mtn., top of Palmer Mesa
State / provinceCOLORADO
FormationNelson Mountain Caldera cycle, Nelson Mountain Tuff

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
26.5 25.9 27.1

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
ZN70PPMXRF
RB152PPMXRF
SR231PPMXRF
Y23PPMXRF
ZR242PPMXRF
NB19PPMXRF
PB43PPMXRF
TH29PPMXRF

References