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Sample 185

NavDat sample number 130147 · ANDESITE

Sample

Sample ID185
Rock nameANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS
Collected byBacon and Lanphere
CommentLlao Bay, lower unit, near lake shore 500m E of Llao Rock

Location

Latitude42.9712
Longitude-122.127
State / provinceOregon

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
0.109 0.09 0.128

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO258.3WT%XRF
K2O1.026WT%XRF

References