← Search

Sample 1130

NavDat sample number 130165 · ANDESITE

Sample

Sample ID1130
Rock nameANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS
Collected byBacon and Lanphere
CommentSouth of the Watchman, 2.1km SW of the Watchman Summit

Location

Latitude42.9262
Longitude-122.186
State / provinceOregon

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
0.055 0.049 0.061

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO262WT%XRF
K2O2.147WT%XRF

References