LEADER 02080oam 2200565 450 001 9910705407503321 005 20170427095319.0 035 $a(CKB)5470000002451316 035 $a(OCoLC)889723482 035 $a(EXLCZ)995470000002451316 100 $a20140901d1995 ua 0 101 0 $aeng 135 $aurn|||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aBase- and precious-metal concentrations of early Proterozoic massive sulfide deposits in Arizona $ecrustal and thermochemical controls of ore deposition /$fby Ed DeWitt 210 1$aWashington :$cUnited States Government Printing Office,$d1995. 215 $a1 online resource (iv, 36 pages) $cillustrations, maps 225 1 $aU.S. Geological Survey bulletin ;$v2138 300 $aTitle from title screen (viewed August 28, 2014). 300 $aAlso available online in PDF format from the U.S. Geological Survey Warehouse (http://pubs.er.usgs.gov/). 320 $aIncludes bibliographical references (pages 30-36). 517 $aBase- and precious-metal concentrations of early Proterozoic massive sulfide deposits in Arizona 606 $aGeology, Stratigraphic$yProterozoic 606 $aOre deposits$zArizona 606 $aSulfides$zArizona 606 $aGeology, Stratigraphic$2fast 606 $aOre deposits$2fast 606 $aProterozoic Geologic Period$2fast 606 $aSulfides$2fast 607 $aArizona$2fast 615 0$aGeology, Stratigraphic 615 0$aOre deposits 615 0$aSulfides 615 7$aGeology, Stratigraphic. 615 7$aOre deposits. 615 7$aProterozoic Geologic Period. 615 7$aSulfides. 700 $aDeWitt$b Ed$01390884 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910705407503321 996 $aBase- and precious-metal concentrations of early Proterozoic massive sulfide deposits in Arizona$93477999 997 $aUNINA