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Sample L-1027b

NavDat sample number 3892 · TONALITE

Sample

Sample IDL-1027b
Rock nameTONALITE
Rock typePLUTONIC
CompositionINTERMEDIATE
MaterialIGNEOUS
Collected byauthor
Commentmedium grained; quartz, plagioclase, orthoclase, biotite largely primary, hornblende poorly developed, partially altered to biotite

Location

Latitude46.2614
Longitude-116.085
Locationalong US Route 12, about 3.5 miles N of Kamiah; Lewis County
State / provinceIdaho
Volcanic fieldIdaho batholith

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
125 121 129

Analyses

No chemical analyses are stored for this sample.

References