← Search

Sample 761

NavDat sample number 130119 · ANDESITE

Sample

Sample ID761
Rock nameANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS
Collected byBacon and Lanphere
CommentKerr Notch, lithic block in cinder cone for andesite of Scott Creek

Location

Latitude42.893
Longitude-121.998
State / provinceOregon

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
0.306 0.299 0.313

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO262.1WT%XRF
K2O1.719WT%XRF

References