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Sample WS30D

NavDat sample number 54512 · TUFF

Sample

Sample IDWS30D
Rock nameTUFF
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
CommentWarm Springs Valley, Washoe County, Nevada [WS1-26, 30L and 30D form a stratigraphic section in SE 1/4, NW 1/4, NE 1/4, SE 1/4, Sec. 24 T22N, R21E S flank to top of hill.] From a specimen of float from the are of interface between the upper and lower phase, showing fluidal intertonguing of a reddish phenocryst-poor Nine Hill variant 9prob. lower phase) and a darker more phenocryst rich type (prob. upper phase or transitional.)

Location

Latitude39.7638
Longitude-119.574
State / provinceNevada
Location commentWarm Springs Valley Section

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
25.16 19.21 31.1

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO266.48WT%XRF
TIO20.45WT%XRF
AL2O315.7WT%XRF
FEO2.31WT%XRF
MNO0.04WT%XRF
MGO-0.33WT%XRF
CAO0.58WT%XRF
NA2O4.59WT%XRF
K2O6.68WT%XRF
P2O50.1WT%XRF
CU-5PPMXRF
ZN145PPMXRF
GA20PPMXRF
RB135PPMXRF
SR12PPMXRF
Y16PPMXRF
ZR592PPMXRF
NB22PPMXRF
CS-5PPMXRF
BA254PPMXRF
PB46PPMXRF
TH13PPMXRF
LA24PPMXRF
CE48PPMXRF
PR-8PPMXRF
ND27PPMXRF
SM8PPMXRF

References