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Sample no name 20

NavDat sample number 4300 · DIORITE

Sample

Sample IDno name 20
Rock nameDIORITE
Rock typePLUTONIC
CompositionINTERMEDIATE
MaterialIGNEOUS
Collected byC.W. Field
Commentbiotite copmletely altered to chlorite, hornblende partly altered due to regional metamorphism or possibly hydrothermal activity

Location

Latitude44.825
Longitude-116.633
LocationWashington County
State / provinceIdaho
Volcanic fieldPeck Mountain complex

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
165 154 176

Analyses

No chemical analyses are stored for this sample.

References