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Potassium-argon dates and strontium isotopic values for rocks of theTobacco Root Batholith, southwestern Montana

Vitaliano, Charles J; Kish, Stephen; Towell, David G (1980) Potassium-argon dates and strontium isotopic values for rocks of theTobacco Root Batholith, southwestern Montana. Isochron/West, no.28, pp.13-15, Aug 1980

AuthorsVitaliano, Charles J; Kish, Stephen; Towell, David G
Year1980
TitlePotassium-argon dates and strontium isotopic values for rocks of theTobacco Root Batholith, southwestern Montana
SourceIsochron/West, no.28, pp.13-15, Aug 1980
ISSN0099-6882
GeoRef1981-011636
Keywordsabsolute age; age; batholiths; geochronology; granite-granodioritefamily; granitic composition; igneous rocks; intrusions; JeffersonCounty Montana; Madison County Montana; Montana; Tobacco RootBatholith; United States

10 samples from this reference

SampleRock nameMajorTraceIsotope
HD-1Diorite yesyes
HD-4Granodiorite yesyes
T-2Tonalite yesyes
T-3Tonalite yesyes
GD-1Granodiorite yesyes
QM-2Monzonite yesyes
QM-4Monzonite yesyes
MHD-4Granodiorite
MGD-6Granodiorite
MQM-2Granodiorite