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Sample 240

NavDat sample number 130149 · ANDESITE

Sample

Sample ID240
Rock nameANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS
Collected byBacon and Lanphere
CommentMerriam Point, caldera wall at Llao Bay

Location

Latitude42.9668
Longitude-122.143
State / provinceOregon

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
0.131 0.113 0.149

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO261WT%XRF
K2O1.098WT%XRF

References