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Sample LM92-2644

NavDat sample number 61658 · DACITE

Sample

Sample IDLM92-2644
Rock nameDACITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
Collected byMuffler
CommentOnion Butte

Location

Latitude40.2463
Longitude-121.624
State / provinceCalifornia
Volcanic fieldMaidu Volcanic Center

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
2.65 0 5.3

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO264.56WT%WDXRF
AL2O316.22WT%WDXRF
FE2O30.98WT%WDXRF
FEO3.54WT%WDXRF
FEOT4.42WT%WDXRF
MGO2.71WT%WDXRF
CAO5.28WT%WDXRF
NA2O3.76WT%WDXRF
K2O2.09WT%WDXRF
TIO20.61WT%WDXRF
P2O50.15WT%WDXRF
MNO0.09WT%WDXRF
LOI0.89WT%LOI
TOTAL98.44WT%WDXRF
MG_NUMBER57.7WDXRF
RB55PPMEDXRF
SR567PPMEDXRF
BA560PPMEDXRF
Y25PPMEDXRF
ZR170PPMEDXRF
NB5PPMEDXRF
NI28PPMEDXRF
CU44PPMEDXRF
ZN51PPMEDXRF
CR56PPMEDXRF

References