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Sample MB-426

NavDat sample number 75217 · ANDESITE

Sample

Sample IDMB-426
Rock nameANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS

Location

Latitude48.779
Longitude-121.861
State / provincewashington
FormationBlack Buttes stratocone

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
0.33 0.288 0.374

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO262.38WT%XRF
TIO21WT%XRF
AL2O317.23WT%XRF
FEOT5.25WT%XRF
MNO0.14WT%XRF
MGO1.72WT%XRF
CAO4.27WT%XRF
NA2O5.5WT%XRF
K2O1.72WT%XRF
P2O50.39WT%XRF
LOI0.92WT%XRF

References