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Sample 4

NavDat sample number 4634

Sample

Sample ID4
Rock typeVOLCANIC
MaterialIGNEOUS
Commenthydrothermally altered andesite characterized by replacement of hornblende phenocrysts with chlorite and calcite

Location

Latitude39.2396
Longitude-121.807
Location1 mile S of Pugh Place, Peace Valley
State / provinceCalifornia
Volcanic fieldSutter Buttes

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
1.75 1.5 2

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO258.24WT%XRF
TIO20WT%XRF
AL2O316.69WT%XRF
FEO1.22WT%XRF
FE2O33.37WT%XRF
MNO0.25WT%XRF
CAO4.62WT%XRF
MGO3.15WT%XRF
NA2O2.7WT%XRF
K2O2.46WT%XRF
P2O50.12WT%XRF
H2O_MINUS0.48WT%XRF
H2O_PLUS4.24WT%XRF
CO22.16WT%XRF
TOTAL99.7WT%XRF

References