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100   $a20140926d1972      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aDistribution of minor elements in biotite samples from felsic intrusive rocks as a tool for correlation /$fby Tom G. Lovering
210  1$a[Washington, D.C.] :$cUnited States Department of the Interior, Geological Survey,$d1972.
210  2$aWashington :$cUnited States Government Printing Office.
215   $a1 online resource (iii, 29 pages) $cillustrations
225 1 $aGeological Survey bulletin ;$v1314-D
225 1 $aContributions to geochemistry
300   $aTitle from title screen (viewed September 15, 2014).
300   $a"Differences in minor-element concentrations in biotite can be used to distinguish different intrusives of similar composition in the same area."
320   $aIncludes bibliographical references (pages 28-29).
606   $aBiotite$zWest (U.S.)
606   $aIntrusions (Geology)$zWest (U.S.)
606   $aStratigraphic correlation$zWest (U.S.)
606   $aBiotite$2fast
606   $aIntrusions (Geology)$2fast
606   $aStratigraphic correlation$2fast
607   $aUnited States, West$2fast
615  0$aBiotite
615  0$aIntrusions (Geology)
615  0$aStratigraphic correlation
615  7$aBiotite.
615  7$aIntrusions (Geology)
615  7$aStratigraphic correlation.
700   $aLovering$b T. G$g(Tom Gray),$f1921-1996,$01404144
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910707456503321
996   $aDistribution of minor elements in biotite samples from felsic intrusive rocks as a tool for correlation$93547744
997   $aUNINA