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TitleThe structure and geochemistry of the gabbro zone of the Annieopsquotch ophiolite, Newfoundland: implications for lower crustal accretion at spreading ridges
AuthorLissenberg, C J; Bédard, J H; van Staal, C R
SourceEarth and Planetary Science Letters vol. 229, issue 1-2, 2004 p. 105-123,
Alt SeriesGeological Survey of Canada, Contribution Series 2004126
PublisherElsevier BV
Mediapaper; on-line; digital
File formatpdf
ProvinceNewfoundland and Labrador
NTS12A/04; 12A/05
AreaPuddle Pond; King George IV Lake
Lat/Long WENS-57.7500 -57.6667 48.3167 48.0000
Subjectsstructural geology; geochemistry; ophiolites; sea floor spreading; mid-ocean ridges; magmas; magma differentiation; crystal fractionation; gabbros; gabbroic composition; sills; dykes; lavas; accretion; veins; textures; layering; shear zones; faults; igneous rocks; volcanic rocks; intrusive rocks; volcano-sedimentary strata; granites; diorites; tonalites; troctolites; oceanic tholeiites; pillow lavas; pyroxenites; plagioclase; feldspar; clinopyroxene; olivine; trace elements; modelling; structural analysis; petrography; oceanic crust; emplacement; Annieopsquotch Ophiolites; Notre Dame Subzone; Appalachian Orogen; Red Indian Line; lower crust; cumulates; magma chambers; sheeted dykes; aggregation; homogenization; mid-oceanic ridge basalts (MORB); axial melt lens; Paleozoic; Silurian; Ordovician
Illustrationsgeological sketch maps; schematic diagrams; photographs; photomicrographs; sketches; tables; profiles; models; histograms
ProgramNSERC Natural Sciences and Engineering Research Council of Canada
ProgramUniversity of Ottawa, Faculty of Graduate and Postdoctoral Studies