LEADER 02150oam  2200589   450 
001 9910708610903321
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035   $a(CKB)5470000002471121
035   $a(OCoLC)889716155
035   $a(EXLCZ)995470000002471121
100   $a20140901d1994      ua             0
101 0 $aeng
135   $aurn||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aAges of selected intrusive rocks and associated ore deposits in the Colorado Mineral Belt /$fby Charles G. Cunningham [and four others]
210  1$aWashington :$cUnited States Government Printing Office,$d1994.
215   $a1 online resource (iii, 31 pages) $cmaps
225 1 $aU.S. Geological Survey bulletin ;$v2109
300   $aTitle from title screen (viewed August 25, 2014).
300   $a"Sixty-three fission-track and K-Ar age determinations help understand the temporal and spatial evolution of the Colorado Mineral Belt."
300   $aAlso available online in PDF format from the U.S. Geological Survey Warehouse (http://pubs.er.usgs.gov/).
320   $aIncludes bibliographical references (pages 26-31).
606   $aIgneous rocks$zColorado
606   $aIntrusions (Geology)$zColorado
606   $aOre deposits$zColorado
606   $aRadiocarbon dating$zColorado
606   $aIgneous rocks$2fast
606   $aIntrusions (Geology)$2fast
606   $aOre deposits$2fast
606   $aRadiocarbon dating$2fast
607   $aColorado$2fast
615  0$aIgneous rocks
615  0$aIntrusions (Geology)
615  0$aOre deposits
615  0$aRadiocarbon dating
615  7$aIgneous rocks.
615  7$aIntrusions (Geology)
615  7$aOre deposits.
615  7$aRadiocarbon dating.
700   $aCunningham$b Charles G.$01386568
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910708610903321
996   $aAges of selected intrusive rocks and associated ore deposits in the Colorado Mineral Belt$93465107
997   $aUNINA