← Search

Sample MB-233

NavDat sample number 75184 · ANDESITE

Sample

Sample IDMB-233
Rock nameANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS

Location

Latitude48.777
Longitude-121.869
State / provincewashington
FormationBlack Buttes stratocone

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
0.33 0.288 0.374

Analyses

Whole rock

ItemValueStd. dev.UnitMethod
SIO259.49WT%XRF
TIO20.82WT%XRF
AL2O318.05WT%XRF
FEOT5.35WT%XRF
MNO0.09WT%XRF
MGO3.51WT%XRF
CAO6.87WT%XRF
NA2O3.8WT%XRF
K2O1.38WT%XRF
P2O50.25WT%XRF
LOI0.36WT%XRF

References