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Sample WG94

NavDat sample number 61993 · PYROCLASTIC-FALL

Sample

Sample IDWG94
Rock namePYROCLASTIC-FALL
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
Commentfrom Witkind (1969) [AN: 1969-034013]

Location

Latitude44.8366
Longitude-111.07
LocationGrayling Creek
State / provinceMontana
Volcanic fieldHuckleberry Ridge Tuff, Member A(?)

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
2.053 2.047 2.059

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO276.7WT%UNKNOWN
TIO20.12WT%UNKNOWN
AL2O312.58WT%UNKNOWN
MNO0.02WT%UNKNOWN
MGO0.18WT%UNKNOWN
CAO0.29WT%UNKNOWN
NA2O3.55WT%UNKNOWN
K2O4.97WT%UNKNOWN
P2O50.01WT%UNKNOWN
TOTAL99.98WT%UNKNOWN
FEOT1.56WT%UNKNOWN

References