← Search

Sample 20

NavDat sample number 129483 · GRANODIORITE

Sample

Sample ID20
Rock nameGRANODIORITE
Rock typePLUTONIC
CompositionINTERMEDIATE
MaterialIGNEOUS
CommentReversed zoning of plagioclase; porphyritic

Location

Latitude48.1792
Longitude-120.884
LocationCloudy Pass batholith
State / provinceWashington

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
22.3 20.2 24.4

Analyses

No chemical analyses are stored for this sample.

References