LEADER 02401oam  2200661   450 
001 9910706760503321
005 20180110115404.0
035   $a(CKB)5470000002457852
035   $a(OCoLC)896810040
035   $a(OCoLC)995470000002457852
035   $a(EXLCZ)995470000002457852
100   $a20141123d1970      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aMafic-ultramafic igneous rocks and associated carbonatites of the Gem Park Complex, Custer and Fremont Counties, Colorado /$fby Raymond L. Parker and William N. Sharp
210  1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1970.
215   $a1 online resource (viii, 24 pages) $cmap +$e2 plates
225 1 $aGeological Survey professional paper ;$v649
300   $aTitle from title screen (viewed September 30, 2014).
300   $a"The Gem Park Complex - its geology and mineralogy, and its niobium distribution."
320   $aIncludes bibliographical references (pages 23-24)
606   $aNiobium$zColorado
606   $aCarbonatites$zColorado$zCuster County
606   $aCarbonatites$zColorado$zFremont County
606   $aIgneous rocks$zColorado$zCuster County
606   $aIgneous rocks$zColorado$zFremont County
606   $aPetrology$zColorado$zCuster County
606   $aPetrology$zColorado$zFremont County
606   $aCarbonatites$2fast
606   $aIgneous rocks$2fast
606   $aPetrology$2fast
607   $aColorado$zCuster County$2fast
607   $aColorado$zFremont County$2fast
615  0$aNiobium
615  0$aCarbonatites
615  0$aCarbonatites
615  0$aIgneous rocks
615  0$aIgneous rocks
615  0$aPetrology
615  0$aPetrology
615  7$aCarbonatites.
615  7$aIgneous rocks.
615  7$aPetrology.
700   $aParker$b Raymond L$g(Raymond Laurence),$064916
702   $aSharp$b William N$g(William Neil),$f1922-
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910706760503321
996   $aMafic-ultramafic igneous rocks and associated carbonatites of the Gem Park Complex, Custer and Fremont Counties, Colorado$93455290
997   $aUNINA