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000226525 010__ $$a   73600110
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000226525 05000 $$aQE461$$b.T43
000226525 050_4 $$aQE75$$b.P9 no.798-A
000226525 074__ $$a0624
000226525 08200 $$a552/.3/0979333
000226525 0860_ $$aI 19.16:798-A
000226525 1001_ $$aTheodore, Ted G.
000226525 24510 $$aGeochemistry and potassium-argon ages of plutonic rocks in the Battle Mountain mining district, Lander County, Nevada,$$cby Ted G. Theodore, Miles L. Silberman, and David W. Blake.
000226525 260__ $$aWashington,$$bU.S. Govt. Print. Off.,$$c1973.
000226525 300__ $$aiii, 24 p. :$$bill., maps ;$$c29 cm.
000226525 4901_ $$aGeochemistry of the porphyry copper environment in the Battle Mountain mining district, Nevada
000226525 4901_ $$aGeological Survey professional paper, 798-A
000226525 500__ $$aSupt. of Docs. no. I 19.16:798-A.
000226525 504__ $$aBibliography: p. 22-24.
000226525 50500 $$tAbstract --$$tIntroduction --$$tGeneral geology of the Battle Mountain mining district --$$tGeology of the Copper Canyon area --$$tChemistry of the granodiorites --$$tMajor elements --$$tMinor elements --$$tBiotite compositions --$$tAltered granodiorite of the Copper Canyon area --$$tGranodiorites of the Long Peak and Timber Canyon areas --$$tK-Ar ages --$$tK-Ar analytical procedure and precision --$$tCretaceous granodiorite of Trenton Canyon --$$tTertiary granodiorite and altered granodiorite --$$tSamples collected outside the Copper Canyon area --$$tCopper Canyon area --$$tSignificance of the data --$$tSummary --$$tReferences cited.
000226525 650_0 $$aIgneous rocks.
000226525 650_0 $$aGeochemistry.
000226525 650_0 $$aPotassium-argon dating.
000226525 650_0 $$aIntrusions (Geology)$$zNevada$$zLander County.
000226525 7001_ $$aSilberman, Miles L.$$ejoint author.
000226525 7001_ $$aBlake, David W.,$$ejoint author.
000226525 830_0 $$aGeological Survey professional paper ;$$v798-A.
000226525 830_0 $$aGeochemistry of the porphyry copper environment in the Battle Mountain mining district, Nevada.
000226525 85200 $$bgen$$hQE75$$i.P9$$ino.798-A
000226525 909CO $$ooai:library.usi.edu:226525$$pGLOBAL_SET
000226525 980__ $$aBIB
000226525 980__ $$aBOOK