000226425 000__ 02944cam\a2200337\\\45e0 000226425 001__ 226425 000226425 005__ 20210513091235.0 000226425 008__ 000119s1973\\\\dcuab\\\\b\\\f000\0\eng\\ 000226425 010__ $$a 72600361 000226425 019__ $$a786819 000226425 035__ $$a(OCoLC)ocm00702945 000226425 035__ $$a226425 000226425 040__ $$aDLC$$beng$$cDLC$$dBTCTA$$dAST$$dOCLCO$$dFMCGI 000226425 043__ $$an-us-mt 000226425 049__ $$aISEA 000226425 05000 $$aQE461$$b.W74 000226425 050_4 $$aQE75$$b.P9 no.752 000226425 074__ $$a0624 000226425 08200 $$a552/.1/0978662 000226425 0860_ $$aI 19.16:752 000226425 1001_ $$aWitkind, Irving Jerome,$$d1917- 000226425 24510 $$aIgneous rocks and related mineral deposits of the Barker quadrangle, Little Belt Mountains, Montana,$$cby Irving J. Witkind. 000226425 260__ $$aWashington,$$bU.S. Govt. Print. Off.,$$c1973. 000226425 300__ $$aiv, 58 p.$$billus.$$c29 cm. 000226425 4901_ $$aGeological Survey professional paper$$v752 000226425 504__ $$aBibliography: p. 57-58. 000226425 50500 $$tAbstract --$$tIntroduction --$$tPrevious and present work --$$tAcknowledgments --$$tGeographic and geologic setting --$$tIgneous rocks --$$tFelsic rocks --$$tOld felsic rocks --$$tPorphyry of Clendennin Mountain --$$tWolf Porphyry --$$tYoung felsic rocks --$$tRholite of Granite Mountain --$$tPorphyry of Galena Creek --$$tSnow Creek(?) Porphyry --$$tChemistry of the felsic rocks --$$tIntermediate rocks --$$tQuartz monzonite of Hughesville --$$tBarker Porphyry --$$tChemistry of the intermediate rocks --$$tMafic rocks --$$tShonkinite --$$tPlagioclase shonkinite --$$tSyenite --$$tMinette-kersantite --$$tVogesite --$$tChemistry of the mafic rocks --$$tComposite dikes --$$tSimilarities of clinopyroxenes --$$tThe intrusions --$$tStock --$$tHughesville stock --$$tLaccoliths --$$tPlanoconvex laccoliths --$$tTongue-shaped satellitic laccoliths --$$tAsymmetric laccoliths --$$tDescriptions of laccoliths --$$tPlanocovex laccoliths --$$tButcherknife Mountain laccolith --$$tTaylor Mountain laccolith --$$tLaccolith(?) underlying the Limestone Butte dome --$$tDry Wolf laccolith --$$tSatellitic laccoliths --$$tClendennin-Peterson laccolith --$$tClendennin fault --$$tPeterson fault --$$tOtter laccolith --$$tAsymmetric laccoliths --$$tBarker laccolith --$$tMixes Baldy-Anderson Peak laccolith --$$tBysmalith --$$tGranite Mountain bysmalith --$$tBuried pluton --$$tIndurated alluvium --$$tEmplacement sequence of the intrusions --$$tFirst intrusive episode --$$tSecond intrusive episode --$$tFormation of indurated alluvium --$$tTHird intrusive episode --$$tRadiometric ages of the intrusions --$$tMineral deposits --$$tBarker mining district --$$tFissure veins in the stock --$$tFissure veins beyond the stock --$$tContact-replacement deposits --$$tTenor --$$tAge of the ores --$$tLocalization -- San Miguel district --$$tOre potential --$$tSulfide veins --$$tBuried mineralized pluton --$$tReferences cited. 000226425 650_0 $$aIgneous rocks. 000226425 650_0 $$aIntrusions (Geology)$$zMontana$$zLittle Belt Mountains. 000226425 650_0 $$aOre deposits$$zMontana$$zLittle Belt Mountains. 000226425 830_0 $$aGeological Survey professional paper ;$$v752. 000226425 85200 $$bgen$$hQE75$$i.P9$$ino.752 000226425 909CO $$ooai:library.usi.edu:226425$$pGLOBAL_SET 000226425 980__ $$aBIB 000226425 980__ $$aBOOK