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Sample UE5I-1085

NavDat sample number 83937 · PYROCLASTIC-FALL

Sample

Sample IDUE5I-1085
Rock namePYROCLASTIC-FALL
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
CommentVery pale orange zeolitic nonwelded tuff with scarce to common large voids after pumice to 17 mm. Scarce but large feldspar to 2 mm and mafics, mostly black prismatic to equant pyroxene and olivine; 2 grains biotite and 1 grain hornblende observed. Dark green clinopyroxene is definitely present, and probably dominant. Scarce to rare lithics.

Location

Latitude36.8758
Longitude-115.951
State / provinceNEVADA

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
9.37 9.39 9.35

Analyses

Whole Rock

ItemValueStd. dev.UnitMethod
AL2O312.1WT%XRF
BAO294.193PPMXRF
BA263.5PPMXRF
CAO2.785WT%XRF
CR2O3PPMXRF
CRPPMXRF
FE2O32.425WT%XRF
K2O2.572WT%XRF
LOI8.27WT%XRF
MGO1.279WT%XRF
MNO0.1095WT%XRF
MN0.0848WT%XRF
NA2O1.369WT%XRF
NB2O5160.935PPMXRF
NIOPPMXRF
NIPPMXRF
P2O50.0177WT%XRF
RB2O141.073PPMXRF
SIO267.72WT%XRF
SRO1326.87PPMXRF
TIO20.2032WT%XRF
TOTAL98.83WT%XRF
V2O323.2132PPMXRF
Y2O387.3698PPMXRF
ZNO170.651PPMXRF
ZN137.1PPMXRF
ZRO2980.411PPMXRF
ZR725.8PPMXRF

References