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Sample BRM-9

NavDat sample number 22604 · TONALITE

Sample

Sample IDBRM-9
Rock nameTONALITE
Rock typePLUTONIC
CompositionINTERMEDIATE
MaterialIGNEOUS
Commentmedium-grained, with some primary? muscovite; gneissic

Location

Latitude46.14
Longitude-115.602
LocationLochsa River
State / provinceIdaho
Volcanic fieldIdaho Batholith, Bitterroot Lobe

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
94 92.6 95.4

Analyses

Mineral

ItemValueStd. dev.UnitMethod
PB206_PB20419.33TIMS
PB207_PB20415.677TIMS
PB208_PB20439.042TIMS

References