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Sample LC81-813A

NavDat sample number 61138 · RHYODACITE

Sample

Sample IDLC81-813A
Rock nameRHYODACITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
Collected byClynne
CommentWest Prospect Peak

Location

Latitude40.5133
Longitude-121.464
State / provinceCalifornia
Volcanic fieldLassen Volcanics, Eagle Peak Sequence

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
2.65 0 5.3

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO269.7WT%WDXRF
AL2O315.87WT%WDXRF
FE2O30.58WT%WDXRF
FEO2.07WT%WDXRF
FEOT2.59WT%WDXRF
MGO1.25WT%WDXRF
CAO2.94WT%WDXRF
NA2O4.35WT%WDXRF
K2O2.68WT%WDXRF
TIO20.4WT%WDXRF
P2O50.11WT%WDXRF
MNO0.05WT%WDXRF
LOI2WT%LOI
TOTAL97.92WT%WDXRF
MG_NUMBER51.8WDXRF
RB72PPMEDXRF
SR326PPMEDXRF
BA825PPMEDXRF
Y15PPMEDXRF
ZR138PPMEDXRF
NB8PPMEDXRF

References