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Sample MB-411

NavDat sample number 75551 · ANDESITE

Sample

Sample IDMB-411
Rock nameANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS

Location

Latitude48.773
Longitude-121.787
State / provincewashington
FormationAndesitic ash fall

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
0.0065 0.0065 0.0065

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO262.13WT%XRF
TIO21.04WT%XRF
AL2O316.06WT%XRF
FEOT5.49WT%XRF
MNO0.1WT%XRF
MGO2.45WT%XRF
CAO4.3WT%XRF
NA2O4.56WT%XRF
K2O3.1WT%XRF
P2O50.37WT%XRF
LOI0.22WT%XRF

References