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Sample WG149

NavDat sample number 61989 · PYROCLASTIC-FALL

Sample

Sample IDWG149
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 B(?)

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
2.053 2.047 2.059

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO275.62WT%UNKNOWN
TIO20.15WT%UNKNOWN
AL2O312.96WT%UNKNOWN
MNO0.03WT%UNKNOWN
MGO0.2WT%UNKNOWN
CAO0.54WT%UNKNOWN
NA2O3.6WT%UNKNOWN
K2O5.04WT%UNKNOWN
P2O50.02WT%UNKNOWN
TOTAL100WT%UNKNOWN
FEOT1.84WT%UNKNOWN

References