← Search

Sample 984

NavDat sample number 5019 · ANDESITE

Sample

Sample ID984
Rock nameANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS

Location

Latitude44.943
Longitude-122.198
State / provinceOregon

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
21 17 25

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO266.34WT%COL
TIO20.9WT%XRF
AL2O318.3WT%XRF
FEOT1.31WT%XRF
MGO1.81WT%AAS
CAO5.43WT%XRF
NA2O3.02WT%AAS
K2O2.89WT%XRF
TOTAL99.47WT%COL

References