← Search

Sample 81F91A

NavDat sample number 15677 · DIORITE

Sample

Sample ID81F91A
Rock nameDIORITE
Rock typePLUTONIC
CompositionINTERMEDIATE
MaterialIGNEOUS
Commentb-e-cMQf

Location

Latitude48.2
Longitude-121
LocationMarblemount Meta Quartz Diorite
State / provinceWashington

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
227 206 248

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
D18O6.89PERMILLDELTA18O
SIO260.8WT%XRF
K2O0.33WT%XRF
LOI1.55WT%LOI

References