02150oam 2200589 450 991070861090332120170424125804.0(CKB)5470000002471121(OCoLC)889716155(EXLCZ)99547000000247112120140901d1994 ua 0engurn||||||||||txtrdacontentcrdamediacrrdacarrierAges of selected intrusive rocks and associated ore deposits in the Colorado Mineral Belt /by Charles G. Cunningham [and four others]Washington :United States Government Printing Office,1994.1 online resource (iii, 31 pages) mapsU.S. Geological Survey bulletin ;2109Title from title screen (viewed August 25, 2014)."Sixty-three fission-track and K-Ar age determinations help understand the temporal and spatial evolution of the Colorado Mineral Belt."Also available online in PDF format from the U.S. Geological Survey Warehouse (http://pubs.er.usgs.gov/).Includes bibliographical references (pages 26-31).Igneous rocksColoradoIntrusions (Geology)ColoradoOre depositsColoradoRadiocarbon datingColoradoIgneous rocksfastIntrusions (Geology)fastOre depositsfastRadiocarbon datingfastColoradofastIgneous rocksIntrusions (Geology)Ore depositsRadiocarbon datingIgneous rocks.Intrusions (Geology)Ore deposits.Radiocarbon dating.Cunningham Charles G.1386568Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910708610903321Ages of selected intrusive rocks and associated ore deposits in the Colorado Mineral Belt3465107UNINA