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Sample R24

NavDat sample number 54559 · TUFF

Sample

Sample IDR24
Rock nameTUFF
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
CommentRed Rock Canyon, Washoe Co., Nevada [SE 1/4, NE 1/4, NW 1/4, SE 1/4, Sec 32 T23N, R18E] Stratigraphic section of the Nine Hill Tuff. Densely welded devitrified tuff from within the transition zone between the lower and upper phase.

Location

Latitude39.9081
Longitude-119.952
State / provinceNevada
Location commentRed Rock Canyon Stratigraphic Sequence

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
22.78 19.21 26.34

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO271.82WT%XRF
TIO20.27WT%XRF
AL2O314.5WT%XRF
FEO1.76WT%XRF
MNO0.04WT%XRF
MGO0.4WT%XRF
CAO0.52WT%XRF
NA2O3.21WT%XRF
K2O5.26WT%XRF
P2O5-0.09WT%XRF
CU-5PPMXRF
ZN69PPMXRF
GA21PPMXRF
RB197PPMXRF
SR33PPMXRF
Y46PPMXRF
ZR406PPMXRF
NB28PPMXRF
CS5PPMXRF
BA404PPMXRF
PB33PPMXRF
TH27PPMXRF
LA82PPMXRF
CE121PPMXRF
PR25PPMXRF
ND55PPMXRF
SM12PPMXRF

References