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100   $a20160829d1989      uy              
101 0 $aeng
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181   $ctxt
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183   $acr
200 10$aPetrology and Structure of Gneiss Anticlines near Baltimore, Maryland
210 31$a[Place of publication not identified]$cAmerican Geophysical Union$d1989
215   $a1 online resource (12 pages) $cillustrations
225 0 $aField trip guidebook (International Geological Congress (28th : 1989 : Washington, D.C.)), T204 ;$vT208
300   $aBibliographic Level Mode of Issuance: Monograph
311   $a0-87590-585-4 
330   $aPublished by the American Geophysical Union as part of the Field Trip Guidebooks Series, Volume 204.  This field trip will focus on the petrology and structure of basement-cored anticlines in the central Appalachian Piedmont, near Baltimore, Maryland (Figure 1). These structures have long been interpreted as mantled gneiss domes in the sense of Eskola (1949). However, recent work suggests that they are recumbent nappes, arched by later folding about steeply dipping axial planes.
606   $aGneiss
615  0$aGneiss.
676   $a552.4
700   $aFisher$b George W$0993128
801  0$bPQKB
906   $aBOOK
912   $a9910830939303321
996   $aPetrology and Structure of Gneiss Anticlines near Baltimore, Maryland$92274092
997   $aUNINA