← Search

Sample DS87-083A

NavDat sample number 45825 · RHYOLITE

Sample

Sample IDDS87-083A
Rock nameRHYOLITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS

Location

Latitude38.01
Longitude-106.978
LocationW. Bondholder
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
ZN91PPMXRF
RB106PPMXRF
SR613PPMXRF
Y20PPMXRF
ZR166PPMXRF
NB16PPMXRF
PB15PPMXRF
TH18PPMXRF

References