Index [Italic page numbers indicate major references]

Benner Hill belt, 8,9, 17 accretion, 20, 28, 67, 68, 69, 85 Assemetquagan River area, 111 bentonite beds, 111 , 72 Atlantic Realm, 45 Berwick Formation, 11, 52 Caradocian, 72 Atrypa reticularis, 48 Berwick quadrangle, 60 timing, 33 Avalon, 35 Bethlehem pluton, 15 Ackley batholith, 129 Avalon belt, 8, 11,77 Big Berry Mountains syncline, 116 alcids, 42 Avalon block, 19, 78, 80, 126, 130 Bigelow Brook complex, 10 Alleghenian Plateau province, 154 Avalon Composite Terrane, 44 Billings Fold, 56 Allegheny County, Maryland, 160 Avalon crust, 11 biogeography allochthons, 136, 148 Avalon island arc, 17 analysis, 43 Allsbury Formation, 75 Avalon superterrane, 9, 11, 12, 13, 14 Cambrian, 41, 44, 47 Alto allochthon, 14 Avalon terrane, 20, 28 , 41, 44, 47 Alton quadrangle, 56, 58, 60 Avalon Zone, 15, 102, 126, 128, 129, bioherms, 109 American Cordillera, 67 130, 148 biostromes, 109 Amity quadrangle, 75 Awantjish Formation, 110 biotite, 58, 129, 139, 146, 148 amphibolites, 9, 106, 129 Aylmer Pluton, 95 Black-Cape Volcanics, 109 andalusites, 63,64, 129 blocks, 20, 35,67, 78, 130, 131 Angers-Dugal Outcrop Belt, 110 backfolds, 64 basement, 78 Angola member, 157 Badger Bay area, 32 continental, 32 Annapolis Valley region, 48 Baie Verte, 130 Blue Hills Nappe, 60 Annieopsquotch Complex, 36 Baie Verte-Brompton Line, 28, 86, 87, Blue Ridge, 14 Anse Cascon Formation, 109 106,117,136 Ansea Pierre-Loiselle Formation, 109 Baie Verte Flexure, 128 Bonaventure Formation, 109 anticlines, 141 Baie Verte Peninsula, 128, 129, 139, Bonnie Bay region, 144 anticlinoria, 8, 51 146 Boston area, 44 Antigonish County, 44, 45 Bailiella, 44 Boston Avalon block, 11 Appalachian basin, 154 Balmoral Group, 118 Boston Basin, 28 autochthonous, 153 Baltic Realm, 44, 47 Boston terrane, 19 Appalachian-Caledonian orogen, 28, faunas, 45 Botwood Group, 32, 34. 35, 37, 128 135 Baltica, 17 boudins, 58 Appalachian Mountains basalt, 31, 71, 80 Boundary Mountain anticlinorium, 6 central, 2 pillow, 31, 69,71 Boundary Mountain antiform, 75 northern. 2, 5, 12, 15, 16, 17, 27,43, basement Boundary Mountain block, 78, 80 47, 56,67,78, 80. 102 Cambro-, 106 Boundary Mountain terrane, 6 south-central, 13 crystalline, 136 Bowers Mountain Formation, 69, 74 southern, 2, 19 basins brachiopods, 107, 109 Appalachian orogen, 13 back-arc, 31, 37, 96 Bras d'Or terrane, 130 Appledore Diorite, 10 depositional, 80 breccia, 31,76, 87, 114 arches, 154 filling, 112 Brevard fault zone, 14 arcs forearc, 86, 106 British Caledonides, 12 British Isles, 13, 17 island, 31, 68 foreland, 136, 153, 154,156,159, 161 Brompton-Cameron Terrane, 52 volcanic, 35, 96 intraplate, 77 Bronson Hill anticlinorium, 6, 52, 60 Armorica, 17 marine, 113 Bronson Hill belt, 6, 8, 10 Armorican massif, 19 ocean, 35, 37, 68, 77, 80 Bronson Hill island arc, 6 Armorican-Nova Scotian Acadian- sedimentary, 72 Burgeo pluton, 129 Ligerian , 19 See also specific basins Burgeo type, 130 Armorican Peninsula, 13, 18 Baskahegan Lake Formation, 69, 74 Aroostook-Matapedia basin, 80 Bassin Nord-Ouest fault, 115 Burnt Jam Brook Formation, 110, 111 Aroostook-Matapedia belt, 8, 75, 77 batholiths, 129 Byrne Cove Mélange, 33 southern lobe, 73 Battery Point Formation, 111 Aroostook-Perce anticlinorium, 102, Bay du Nord Group, 129 Cabot Fault System, 136 106, 110, 111, 114. 115, 116, 118 Bay of Islands complex, 141, 144 Calais Formation, 69, 71 Arsenault area, 118 Bay St. George basin, 136 calcarenites, 75, 109. 111, 112 Arsenault Formation, 106, 107 Bear Pond Rhyolite, 138 calcilutites, 107, 109, 110 Ascot Complex, 85, 87, 89, 94, 97 Beauce area, 85, 88, 93, 95, 96, 97 calc-mylonite, 94 Ascot volcanic belt, 89 Beauceville Formation, 89, 91, 95 calc-silicate, 58 Ascot volcanics, 96 bedding, 58 calderas, 129 ash deposits, 109 Belchertown pluton, 64 Caldwell Group, 87,96 ash layers, volcanic, 156 Belle Isle fault, 8 Caledonian, late, 2 ashflows, 76 Belleoram Granite, 124 Caledonian Belt, 56 Ashgillian, 73 belts, 7, 17, 20, 68 Caledonian orogeny, 13 Aspy terrane, 130 supracrustal, 69 defined, 2, 17

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Cambrian, 41, 44, 69, 72 Climacograptus spiniferus Zone, 108, Cambro-Ordovician, 106 deformation, 8, 10, 11, 52, 72, 116, 119, 118 124, 125, 127, 130, 141, 143, 148 Campbell Hill-Nonesuch River fault climatic gradients, global, 46, 48 zone, 52, 60 Acadian, 51, 85, 95 Clinton-Newbury fault, 11 Alleghanian, 136 Canadian Appalachians, 16, 17, 102 Cloridorme Formation, 118 Canterbury Basin, 47 episodes, 87 coal swamps, 47 Late Ordo vician, 114 Cape Breton Island. 11, 44 Coastal Acadia, 43, 46, 47 Cape Elizabeth Formation, 9 mechanisms, 56 Coastal Maine zone, 11 mid-, 114 Cape George area, 45 Coastal Volcanic belt, 76, 80, 81 Cape Ray, 124, 128, 129 periods, 60, 64 Cobequid-Chedabucto fault system regional, 28, 85 Cape St. John Group, 128, 129 117 Caradocian, 69, 72 Taconian, 136 collision, 13, 17, 18, 19, 20, 118. 119 timing, 63, 101 carbonates, 56, 136, 138, 141, 144 156 continent-continent, 20, 28 Delmar deformation, 19 160 continent-volcanic arc, 96 detritus, 73,75,81, 130, 138, 160 platform, 145 island arc, 85 Devils Room granite, 129, 138 sedimentation, 48 Concord, New Hampshire quadrangle Devonian, 46 Carboniferous, 41, 46 56,60 Early, 56, 73 Cardigan Pluton, 63 Concord plutonic suite, 14 mid-. 101, 114 Carolina block. 19 early, 63 Dicoelosia sp., 48 Carolina Slate Belt, 44 Concord Tectonic Zone, 56 Digdeguash Formation, 76 Carolina terrane, 19 Coney Head, 144 disconformity, 47 Carrabassett Formation, 75 conglomerate, 34, 58, 69, 73, 74, 75, 76 discontinuities, 60, 78 Carys Mills Formation, 75 93, 107, 109, 110, 111, 113, 130 Dog River fault zone, 6 Casco Bay area, 9 assemblage, 111 domains Casco Bay belt, 8, 9 Connecticut Valley-Gaspé belt, 5, 6 Casco Bay Group, 9 external nappe, 106 75, 80 Cashaqua Member, 157 internal nappe, 106 Connecticut Valley-Gaspé-Notre Castine Formation, 76 parautochthon, 106 Dame belt, 6 Castor River, 143 tectonic, 106 Connecticut Valley-Gaspé Catamaran fault, 117 tectonostratigraphic, 110 Synclinorium. 5, 86, 102, 106,110 Catskill Delta, 48, 156, 159, 160 Dome-Crescent-Mushroom pattern, 63 Celtic unit, 45 113, 114, 115, 116 Dover Fault, 28, 36, 128 Connecticut Valley belt, 6 Central block, 78, 80, 126, 129, 130 Dunn Point Formation, 33 Connecticut Valley trough. 5 Dunnage belt, 11 Central Maine basin, 80 conodonts, 107, 109 Central Maine Boundary Fault, 75 Dunnage Zone, 5, 17, 85, 87, 96, 97 continental crust, 119 102,106, 109, 117, 118, 126, 128, Central Maine Terrane, 52, 56, 60, 62 continental drift, 13 Central Mobile Belt, 11, 15, 17, 28 35 129, 130, 136, 147 continental margin, 76, 130, 136, 161 dykes, felsic, 114 37 convergence, 80, 118, 162 Central New Hampshire anticlinorium Cookson Group, 69, 71 East Pond suite, 139, 148 52, 56, 60, 62, 63 Cookson Island, 76 Chain Lakes Massif, 6, 72. 78, 80. 96 Eastern Americas Realm, 46, 47 corals, 34, 46, 74 Eastern Townships, 106 Chalceurs Group package, 108 Cornish nappe sequence, 60 Chaleur Bay, 8. 119 Eastport, Maine, 76 Costislrophonella punctulifera, 48 Eastport Formation, 47, 48 Chaleur Bay succession, 8 Cottrell's Cove Group. 31 Chaleurs Bay synclinorium. 102, 108 elements, light rare earth (LREE), 80 cover, subaerial, 32, 35 Eliot Formation, 52 111, 113, 114, 116, 117, 118 Cranbourne Formation, 96 Ellen Wood Ridge Formation, 73 74 Chaleurs Group, 102, 107, 108, 109 crust 75 111, 113, 118 continental, 119 Ellsworth belt, 8 Chanceport Group, 31, 32, 33 lower, 11 Change Islands, 33, 34, 35 Emsian, 56 oceanic, 19, 31, 36, 67, 78, 80, 86 , 13, 111, 160 Charlotte belt. 14 136 Chase Brook Formation, 69 Escuminac Formation, 48, 102, 108 rupture, 154 110, 113 Chaudière River area. 93 thickening, 145 cherts, 71 Esopus shale, 156 upper, 78 European Province, 46 Chinese Realm, 44 Cumberland fault, 89, 91, 95 European Realm, 44. 45 chlorite, 75 currents, turbidity, 8 Eustis domain, 87 Cincinnati arch system, 153 Cushing Formation, 9 evaporites, 47 Cinq Isles Formation, 124, 130 evolution Clam Bank Group, 123, 128, 130 138 Daggett Ridge Formation, 74, 75 Ordovician, 27 144, 148 Dalejina sp., 48 , 27 clastics. 56, 85 DalHousie Formation, 109 tectonic, 68 clasts, 58, 73, 74, 75. 107, 110 Danforth quadrangle, 75 Exploits-Meelpaeg subzone boundary claystone, 107, 110 Dashwoods subzone, 126. 129 128 cleavage, 2, 5, 8, 10, 12, 16, 33, 62, 85 Deblois granite pluton, 8 87. 89.90,91,95,96, 110, 116, Exploits Subzone, 35, 126, 128, 130 debris, 81 extension, 80 119, 141, 143 décollement, 60 Clemville Formation, 109 Deer Lake, 145 facies Cleveland Shale, 160 Deer Lake Basin, 138 amphibolite, 128, 138, 141, 146

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carbonate, 102 Gaspé Peninsuladian orogeny, 101 Hermitage Flexure, 128 greenschist, 128, 138, 139, 146 Gaspé Sandstones, 111 Hirnantia, 47 siliciclastic, 102, 110 Gaspé Sandstones Group, 102, 108, history, accretionary, 27 subgreenschist, 146 112, 113 Honorat Formation, 5 Famine Formation, 93, 94 Gaspé segment, 102 Honorat Group, 102,107. 112, 116, 118 faults, 114 Gaspésie, 96 Honorat-Matapédia Group package, bedding-parallel, 33 Gastonguay anticline, 110, 116 108 extensional, 144, 145 Gastonguay fault. 115 Hope Valley block, 19 normal, 73, 114. 119 Gedinnian, 56 hornblende, 139, 146, 148 oblique-slip, 115 Genesee Formation, 157, 159 Horton Group, 48 premetamorphic, 8 Genesee shale, 154, 161 hot spots, 15, 56, 63 reverse, 87, 88,97, 114, 115, 127 geology, structural, 58 Houlton area, 75 sinistral, 18, 19, 20 geometry, 63 Humber Arm Allochthon, 28, 36, 128, strike-slip, 11, 73, 93, 95, 97, 114, Gilmanton quadrangle, 63 136,141, 143 117, 119 glaciation, 160 Humber Arm region, 138 thrust, 52, 60, 73,75,89,93, 115, gneiss, 10, 15, 19, 129, 139 Humber Zone, 15, 28, 85, 96, 102,106. 141, 144 gneiss domes, 56, 63 110, 117, 118, 126, 127, 128, 129, transcurrent, 7, 13, 14, 17, 20, 67, 68, Goldson Formation, 128 130,135, 144,147, 148 119 Gondwana, 17 Humboldt Current, 43 See also specific faults Gondwana Realm, 45 Hungry Grove, 129 fauna, 108 Gondwanaland, 161 Huntersville Chert, 156 Celtic, 29, 32 Gordon Sandstone, 160 Huron Shale, 158, 159 Silurian, 43 Gordon siltstones, 160 Hurricane Mountain belt, 7 Tremadocian, 45 graben, continental, 8 Hurricane Mountain line, 7 Findlay arch, 154 gradients Hurricane Mountain mélange, 71 Fleurde Lys Supergroup, 129, 139, 148 climatic, 42 hydrothermal alteration, 114 Fleurant Formation, 102, 108, 110. 113 latitudinal diversity, 42 floatstone, 93 Grampian terrane, 13 Iapetus I, 36, 37 Flume Ridge Formation, 76 Grand Banks, 128, 130 Iapetus II, 36, 37, 118 flysch, 47, 110 Grand Lake, 148 Iapetus basin, 36 folding, 33 Grand Lake thrust, 128, 141 Iapetus Ocean, 13,17, 28, 29, 36, 72, folds, 8, 10, 16, 35, 52, 60, 85, 87, 90, 95, Grand Pabos fault, 106, 107, 114. 775 102, 161 116, 118, 141, 142 Grand Pitch Formation, 69, 75 Iapetus suture, 13, 17 map-scale, 63 Grande Rivière fault, 106, 115, 116 Iberian peninsula, 2 foliation, 87, 141 granites, 12, 14,15, 123, 124, 138, 148 Illinois basin, 159 Forillon Formation. 111 Acadian, 15 eastern, 156 Fortin Group, 102, 110, 111 granitoids, 8, 14, 15 illite crystallinity, 145 Fortune Bay, 124, 130 granofels, 58 Indian Cove Formation, 111 Fortune Harbour Peninsula, 32 graptolites, 45, 69, 107, 109, 113, 118 Indian Head Complex, 139, 143 , 32, 34,43, 87 gravels, 113 Indian Point Formation, 109, 110 marine, 44, 47, 109 graywackes, 8, 34, 35 Inner Piedmont. 14 Silurian, 14 Great Bay de l'Eau Formation, 124 intrusion, 124 France, 2 Great Northern Peninsula, 146 intrusive bodies, 15 Fredericton belt, 8, 72, 73, 76, 78, 82 Great Slave Lake area, 158 Iowa platform, 160 Fredericton-Central Main belt, 8, 10 Greater Acadia, 4, 43, 44 Ireland, 47 Fredericton Trough, 47, 72, 73, 77, 81 Grenville block, 78, 80, 126 iron ores, 46 Frenchville Formation, 75 Grenville-Munsungun-Weeksboro- island arc, 31, 68 Frontière Formation, 95 Miramichi terrane, 73 island blocks, 17 Grenville orogeny, 154 Isleboro-Rockport belt, 8 gabbros, 8 Griffon Cove River Member, 111 isograds, 15 Gander-Avalon zone boundary, 128 grit, 58 Gander belt, 11 Grog Brook Group, 112, 118 Java Formation, 157 Gander Group, 11 Gulf of St. Lawrence, 11, 143 Java shales, 143, 159, 161 Gander Lake Subzone, 126, 128 Gull Lake Intrusive Suite, 138 Jessamine dome, 154 Gander River Ultramafic Belt, 36 Gypidula coeymanensis, 48 Joey's Cove mélange, 33 Gander Terrane, 60 Gander zone, 17, 35, 102. 126, 128, Hamilton Group, 48, 156 Kankakee arch, 158 129, 130, 147 Hampshire Formation, 160 Kaskaskia II, 160 Garin Formation, 107, 108, 118 Hare Bay allochthon, 28, 36, 136, 143, Kearsage-Central Maine belt, 75, 77 , 58 144 Kearsage-Central Maine synclinorium, Gascons Formation, 109. 110 Hare Bay region, 138, 143 8.10,51,52,60 Gaspé Belt, 102, 114, 116, 118, 119 Hartin Formation, 47, 48 Kellyland quadrangle, 69 basement, 117 Hebron Gneiss, 10 Kendall Mountain Formation, 69, 71 sedimentary history. 111 Hedeina (Macropleura) macropleura. kinematics, 93 stratigraphy, 106 48 King George IV Lake area, 32 Gaspé Peninsula, 5, 93, 95, 97, 103, 110, Helderberg basin, 155 Kinsman pluton, 15 114, 115, 118, 119 Helderberg Group, 155 Kinsman suite, 63 regions, 114 hematite, 34 Kittery Formation, 52

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Knoydart Formation, 48 magnetite, 31 Kootenia, 44 Midland Valley terrane, 13 magnetization, 31, 32 Kossuth Group, 69, 73 migmatites, 60 Magog Group, 85, 86, 87, 88, 95, 96, 97 kyanite, 19, 129 Mill Priviledge Brook Formation 73 Mahantango shale, 153, 156, 157, 161 75 Maine La Garde Formation, 102, 110, 113 Millstream fault, 117 eastern. 67, 79 La Guadeloupe fault, 85, 87, 89 91 97 Mira Terrane, 130 western, 8 115 Miramichi belt, 8, 69, 72, 77, 78 80 81 Maine Appalachians, 17 age constraints, 93 Maine belts, 11 82 Miramichi terrane, 47 kinematics, 93 Maine flysch belt, 8 models La Poile Group. 128 Malbare Formation, 111 Acadian events, 68 La Vieille Formation, 109 Mann Formation, 109 pre-Acadian events, 68 Lac à la Raquette structural domain Mann Mountain anticline, 154 structural, 52 90 mantle, 11, 86, 136 tectonic, 69, 161 Lac Ay 1 mer Formation, 95 Mapleton Formation, 48 molasse. 130 Lac Fortin structural domain, 89 Maquereau Group, 106, 109, 117 monazite, 64 Lac Lambton Formation, 95 Maquereau-Mictaw inlier, 106, 108 Lac Lanigan structural domain, 90 Monroe fault, 52 116, 117, 118 Lac McKay Volcanics, 111 Monroe line, 6 marble, 9 Mont Albert Complex, 106 Laforce Formation, 111 Marcellas shale, 153, 154, 156, 157, 161 Mont Albert nappe, 106 Lake Char fault, 11 Marcii Nord fault, 115 Mont Serpentine inlier, 106 Lake District, 47 margin, continental, 76, 130, 136, 161 Montreal region, 46 Lake Matapédia syncline, 110 Maritime Canada, 2 Moreton's Harbour Group, 31, 33 Lake Temiscouta area, 46 Martic line, 13 Morisset structural domain, 89 Laurentia, 17, 32, 35, 161 Mascarene belt, 15,17 Morocco, 2 Laurentian craton, 17 Mascarene Group. 11 Mount Alexander-Pellegrin area, 110 Laurentian Realm, 44, 45 Mascarene peninsula, 76 Mount Cormack division, 129 lava flows, 76, 109 Massabesic Gneiss, 10 Mount Cormack subzone, 126, 129 Lawler Ridge Formation, 76 Massabesic Gneiss Complex, 52 Mt. Katahdin intrusive, 15 Lebanon Antiformal Syncline, 52, 62 Massabesic-Merrimack sequence 52 Mt. Kearsage quadrangle, 60 Leighton Formation, 76 63,64 Leptaena rhomboidalis, 48 Mt. Kearsage summit, 63 Matapédia area, 115, 116 Mt. Monadnock. 56 leucogranites, 129 Matapédia Group, 102. 106, 107, 110 Levenea subarinata, 48 Mount Peyton, 129 112, 113, 118 Mount Peyton pluton, 129 Lewis Hills, 144 Matapédia syncline, 110 Mountain House Wharf Formation, 93 Lewis Hills massif, 144 Mattawamkeag Lakes quadrangle, 75 muds, 113 Ligerian belt, 2 McCrea, mélange, 106, 107, 108 mudshales, 107 Ligerian orogeny, 18. 19 McKenzie Formation, 154 mudstone, 76, 107, 109, 110, 111 , 44, 58, 75, 93, 107, 109 110 Meelpaeg division, 129 Munsungun-Winterville belt, 69, 72, 80 111, 112, 113 Meelpaeg subzone, 126, 129 Murphy Creek Formation, 107 linkages, sedimentary, 77 megafossils, 46 Murphy Creek inlier, 106, 117 lithosphère, 136 Megakozlowskiella sp„ 48 muscovite, 139, 146, 148 Little Harbour Formation, 31 MegumaZone, 12, 102, 130 mylonite, 14, 94, 128 Little Port complex, 144 mélange, 19, 33, 71, 80, 128, 136 mylonitization, 10, 124 Littleton Formation, 52, 56, 58 See also specific melanges Llandoverian, 58 Me ristella sp„ 47, 48 Lobster Cove-Chanceport Fault, 31, 35 Nadeau ophiolitic mélange, 106 Merrimack Belt, 51 nappes, 52, 56, 60, 64, 96 Lobster Mountain anticlinorium, 6 Merrimack Group, 10, 52 domain, 107, 109 Logan's Line. 106, 127 Merrimack synclinorium, 51 emplacement, 118 Long Point Group. 141, 144 Merrimack trough, 8, 11, 17, 18 Nashville dome, 154 Long Range Complex, 139 Merrimack trough sequence, 10 Natlins Cove Formation, 138 Long Range dykes, 139 metabasalts, 87 Neckwick Formation. 107, 108 Long Range Front, 127, 143 metaclastics, 128 Needmore-Esopus basin, 157 Long Range inlier, 129, 142,143, 146 metagraywackes, 8 Needmore shale, 153, 156, 161 Long Range thrust, 128, 143, 146 metalimestones, 58 Neseuretus, 45 Long Reach region, 44 metamorphism, 7, 11, 12, 14,15, 19, 56, New Albany Shale, 159 Lower Kaskaskia II, 160 63, 71, 114,128, 130, 136,145, 148 New Brunswick, 5, 8, 15 Lower Rangeley Formation, 58, 60 timing, 63 New Brunswick Group, 112 Lubec-Belle Isle fault, 8 metapelite, 56 New Hampshire, 8 Lucerne intrusive, 15 metasandstones, 9 Ludlovian, 58 central, 51 metaturbidite, 56 New Hampshire anticlinorium. central Mexa arch, 161 64 Madawaska County, New Brunswick Mie Mac Lake Group, 128 48 New Mills Conglomerate, 111 mica, 46, 58 New Mills Formation, 109 Madeleine River area, 110 microplates, 20 New Richmond area, 109 Madrid Formation, 58, 75, 76, 82 Mictaw Group, 96, 106. 107, 109, 118 Magdalen basin, 11 New World Island, 31, 33, 128 Middle Ridge pluton, 129 magmatism, 16 New York, 5 Middle Ridge type, 129, 130 Newburyport Quartz-diorite, 10

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Newfield quadrangle, 58 Penobscot orogeny, 71, 72, 80 reef carbonates, 158 Newfoundland, 5, 11,123 Penobscotian Disturbance, 45 reefs, 75 central, 138 Percé area, 106, 107, 110 regression, glacio-eustatic, 160 southern, 138 peridotite, 106 Restigouche fault, 106, 110,115 west, 135 , 46 Restigouche syncline, 108,109, 111, Newfoundland Appalachians, 17, 28, Perry Formation, 48 113, 115, 116, 118 35, 37, 123, 148 Perry Mountain Formation, 58 Restigouche Volcanics, 109 Newfoundland Reentrant, 130 Phillips Brook anticline, 141, 144 Rhenish-Bohemian Region, 47, 48 Nonesuch River fault, 8, 10 phyllites, 87 Rhenorensselaeria, 47 North American block, 80 Pine Mountain fault, 154 Rhinestreet, Angola, 159 North American Platform, 47 Pipestone Pond Complex, 36 Rhinestreet section, 157 North Atlantic Region, 1, 2, 45 Pirate Cove Formation, 102, 110. 113 Rhinestreet Shale, 157 North Brook anticline, 141 Piscataquis volcanic belt, 8, 80 rhyolite, 31, 138 North-Central Maine belt, 7, 8 Placentia Bay, 129 Richmond belt, 9 North Silurian Realm, 45 plagioclase, 58 rifting, 8 Northern Outcrop Belt, 110, 111, 113 plagiogranite, 87 Rivière fault, 106 Norumbega Fault zone, 8, 69, 71 plate convergence, 93 Rivière Garin fault, 115 Notre Dame Bay area, 29, 32, 33, 128 plate tectonics, 17 Rivière Noire fault, 91 Notre Dame subzone, 35, 106, 126, 128, Platyorthis sp., 48 Rivière Port-Daniel Mélange, 106, 107 129 Plicoplasia sp., 48 Robert's Arm Group, 32, 33, 37 Nouvelle River area, 110, 111 plutonism, 16, 28, 97,129 rocks Nova Scotia, 5, 11, 12 timing, 63 Ashgillian, 73 Nucleospira sp., 48 plutons, 14, 15, 18, 47, 63, 77, 78, 79, calc-silicate, 9 81,129 clastic, 12, 73 Oak Bay Formation, 76 Pocomoonshine Lake Formation, 76 country, 15 Obturamentella sp.. 48 Pokiok Batholith, 47 cover, 7, 15, 56, 77, 80 Ocmulgee fault, 19 Ponacook quadrangle, 60, 62 Early Devonian, 73 Ohio shale, 154. 160, 161 Pools Cove Formation, 124, 130 folded, 52 Old Mans Pond, 145 Popelogan anticline. 118 granitic, 78 Old Red Sandstone, 13, 16 porphyroblasts, 62, 64 igneous, 78, 136, 138 Old World Realm, 46. 47, 48 Port Albert Peninsula, 34 intrusive, 110 Oldhamia-beanng turbidites, 69 Port au Port Peninsula, 123, 127, 138, mafic, 31, 87 Olentangy Formation, 157 144 marine, 128 Onondaga Formation, 156 Port-Daniel fault, 106 metamorphic, 17, 138 Onondaga Group, 48 Portland Creek Pond thrust, 144 metasedimentary, 52, 56, 58, 60, 87, Onondaga , 155, 157, 158 Prentiss Group, 73 118, 128 ophiolite, 28, 36, 85, 86, 96, 136, 144 Prescott pluton, 64 ophiolitic, 144 Ordovician, 27, 44 Presque Isle. Maine, 16 pelitic, 69, 73, 75 evolution hypothesis, 27 Price Formation, 160 plutonic, 68, 69, 103 Late, 101,114 Pridolian, 58 pyroclastic, 109 Oriskany Sandstone, 155, 156 prism, accretionary, 86, 96 sedimentary, 47, 68, 69, 109, 128, orogenesis, mid-Paleozoic, 1 progradation, 160 136, 138, 148 orogeny provincialism, 47 siliclastic, 43, 110, 111 defined, 2, 135 pulses, 2, 37, 113 supracrustal, 69, 82 Gaspe Peninsuladian, 101 pumice, 109 volcanic, 9, 11, 31, 37, 47, 68, 69, 73, salinic, 138, 148 Putnam-Nashoba belt, 11 76, 80, 87, 103, 109, 110. 118, 119, orthogenesis, 138 Putnam-Nashoba zone, 18 128, 130, 138, 148 orthoquartzites, 71 Pyrenees, 62 volcanogenic, 9 Oswayo Member, 160 pyroclastics, 31 Rocky Brook fault, 117 Owl Capes Member, 111 Rome trough, 154 quartz, 107 Roncelles Formation, 110 Pabos Formation, 107 quartz arenites, 34, 111 roof duplex, 144 Pacific Realm, 45 quartzites, 9, 56, 58 rotations, 20,91,93, 95, 116 Pacquet Harbour Group, 129 quartz-wacke, 107 Round Head thrust, 127, 138, 141, 144 paleogeography, 27, 29 Quebec, 5 Rye Formation, 10 paleolatitudes, 32, 33, 36 Québec Appalachians, southwestern, paleomagnetic data, 29 85 Saint-Benjamin fault, 91, 95 paleopoles, 32 Québec Eastern Townships, 115 St. Clair fault, 154 Paleozoic, mid-, 1 Québec Reentrant, 111, 117 St. Croix belt, 8, 9, 69, 76, 77, 82 Parsons Pond thrust, 143 St. Croix-Ellsworth belt, 8 Patagonian , 80 Randell's Head, 35 Saint-Daniel argillites, 96 Patch Mountain member, 58 Rangeley, Maine, 56 Saint-Daniel Mélange, 85, 86, 87, 96 Paxton Formation, 10 Rangeley Formation, 56, 58 Saint-Francis Group, 87, 88, 95, 97 Peace River arch, 159 Raudin volcanics, 114 St. George area, 46 pegmatites, 10 reconstruction, palinspastic, 118 St. George batholith, 15 pelites, 8,69,71,75 red beds, 32, 46, 109, 111, 113, 128, 130 Saint-George-de-Beauce, 93 penguins, Galapagos, 42 Red Island, 129 St. George fault, 9 Penobscot Bay area, 76 Red Rock Cove, 35 St. Helen's Island, 46, 48

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St. Jean River anticline, 110, 111, 116 soapstones, 56 Thetford Mines ophiolites, 87 Saint John, New Brunswick region, 44, Sonyea Formation, 157 tholeiites, 80 45 Sonyea shale, 154, 159, 161 Three Lick Bed, 159, 160 Saint John Group, 71 Sops Arm Group, 129, 136, 138, 148 thrust fault obduction, 154 St. Julian Island, 138 Sources Formation, 110 thrusts, low-angle, 64 St. Lawrence Promontory, 111, 117, South-Central Maine belt. 9 tillites, 47 119, 130 Southeastern Province, 46 Tioga ash fall, 156 St. Lawrence River estuary, 11 Southern Irumbide Belt, 56 Tobique volcanic belt, 8 Saint-Leon Formation, 111 Southern Uplands, 13 Topsails plutons, 129 St. Margaret Bay thrust, 143, 146 Southern White Bay allochthon, 136 Tornquist ocean, 19 Saint-Victor Formation, 89, 93 Spaulding suite, 63 Touladi Formation, 93 Saint-Victor Synclinorium, 86, 87, 90 Springdale Group. 34, 128, 138 trilobites, 43, 44,45 Sainte-Florence fault, 110, 115 Springfield quadrangle, 75 triple junction, 17 Salina Formation, 155 Squameofavosites, 75 Troisième Lac fault, 115 Salina salts, 154 Stapeley Formation, 33 Tryplasma, 75 Salinic disturbance, 17, 113 Stetson Mountain Formation, 69, 74 tuffs, 9, 87, 107 Salinic unconformity, 116, 119 Stoke domain, 87 turbidites, 8, 34, 56, 69, 71. 76. 112, salt diapirs, 63 Stony Lake volcanics, 128 113 Sam Rowe Ridge Formation, 73, 74 Strait of Belle Isle, 130 Turtle Head fault, 11 Samson Formation, 128 stratigraphy, 56, 153 sand, 113 Gaspe Belt, 106 ultramafics, 31 sandstone, 34, 74, 75, 76, 87, 107, 109, structures ultramylonite, 94 110, 111, 112, 160 contractional, 141 unconformity, 2, 5, 16, 69, 102, 103, Sangerville Formation, 58, 76 extensional, 144 109, 111, 112,773, 118, 128, 153, Sayabec Formation, 110 subduction, 37, 82 161 Scandian orogeny, 17 subsidence, 97, 157, 160 uplift, 13, 48, 78,153, 154, 160. 161 Scandinavia, 2 Summerford Gruop, 32, 33 Upper Gaspé Limestones, 110 schist, 8, 9, 56, 58, 64, 87, 94, 107, 129 Sunbury Shale, 160 Upper Gaspé Limestones Group, 102, schistosity, 60, 62, 87 Suncook quadrangle, 60 777,113 scoria, 109 superdomain, structural, 89 sea level, fall, 158 supracrust belts, 77 Val-Brillant Formation, 110 seamounts, 29, 32, 33 suture, 13, 68 Valley and Ridge, 14 Sebago block, 78, 80, 82 syncline, 63, 143 Variscan Belt, 56 Sebago pluton, 15 synclinorium, 51 Vassalboro Formation, 8 Seboomook Formation, 8 synthesis, 32 Vermont Spear, 6 Seboomook Group, 75 Virginia Piedmont, 14, 156 sedimentation, 8, 72, 76 Table Mountain anticline, 141 volcanic arc, 35, 96 cyclic, 113 Taconian, 95 volcanic suites, 80 sediments Taconic orogeny, 28, 72, 78, 80, 85, 93, volcaniclastics, 31 carbonate. 8 96, 97, 102, 103, 106, 113 volcanics, 8, 9, 31, 32, 34, 56, 87, 109 marine, 6 Taconic unconformity, 103, 109, 113, intra-oceanic, 31 Sellarsville fault zone, 115 118 volcanism, 71, 72, 80, 114, 129 Sellarsville slice, 109 Taghanic onlap, 158 shales, 69, 71, 73, 75, 76, 136, 153. 157, Taghanic unconformity, 153, 156, 157, wackes, 69, 73, 74, 75, 76, 107, 111 160 161 Waite quadrangle, 69 Sherbrooke area, 85, 87, 89, 93, 95, 96 Talladega belt, 15 Wallbridge unconformity, 153, 155, Sherbrooke domain, 87 Taylors Pond Conglomerate, 138 161 Shickshock Group. 106 tectonic domains, 106 warping, 96 Shickshock-Sud fault, 106, 110, 115 tectonic evolution, 68 Watt Mountain unconformity, 158 Shiphead Formation, 111 tectonic hinge, 8 Waverly arch, 154, 157, 158, 161 Siberian Realm, 44 tectonic quiescence, 154 Waweig Formation, 76 siliciclastics, 46, 48, 109 tectonic regime, defined, 2 weathering, 32, 34 sillimanite, 129 tectonic transport, 56 wedge tectonics, 19, 27, 35, 85, 97, 116 sillimanite zone, 63 accretionary-tectonic, 96 pop up, 56 sills, 107 basement, 11 regional, 161 siltstone, 76, 107, 110, 111 clastic, 14, 19 tectonism. 12, 68, 118 Silurian, 27, 45 Weedon area, 95 Early, 58 Acadian. 77 Weeksboro-Lunksoos Lake belt, 69, 72, evolution hypothesis, 27 tectonostratigraphic data. 33 75, 80 Late, 58 tectonostratigraphy, 33 Wenlockian, 58 Silurian-Devonian succession, 5 Temiscouata area, 93, 95 West Falls Formation. 157 Skinner Cove volcanics, 36 Temiscouta Formation, 48 West Falls shale. 154, 159, 161 Skitchewaug Fall Mountain sequence, Ten Mile Lake thrust, 143, 146 West Point Formation, 111 60 terrane Western Head Formation, 31, 107 slate, 12, 75 displaced, 28 White Bay, 129, 138, 144 slate belt, 110, 116 exotic, 52, 67, 68 White Bay allochthon, 138, 144 Smalls Falls Formation, 8, 58, 63 suspect, 9 White Rock Formation, 47 Smyrna Mills quadrangle, 75 Tetagouche Group, 8 Whites Arm window, 144

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Wild Goose Grits, 58 Wolfeboro quadrangle, 58 zones Windsor Group, 47 Woodland Formation, 69 detrital, 56, 60, 64 Windsor Point Group, 124, 128, 129, Wytopitlock quadrangle, 75 structural, 102 130 tectonostratigraphic, 102 Winnipesaukee quartz diorite, 63 York Lake Formation, 111 Zoophycos-rìch assemblage, 109 Wold Cove Pond Intrusive Suite, 138

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The : Recent Studies in New England, Maritime Canada, and the Autochthonous Foreland

Edited by D. C. Roy and J. W. Skehan

Contents Preface v

1. Mid-Paleozoic Orogenesis in the North Atlantic. N. Rast and J. W. Skehan

2. Paleogeography, Accretionary History, and Tectonic Scenario 27 B. A. van der Pluijm, R.J.E. Johnson, and R. Van der Voo

3. Comments on Cambrian-to-Carboniferous Biogeography and Its Implications for the Acadian Orogeny 41 A. J. Boucot

4. The Sequence of Acadian Deformations in Central New Hampshire 51 J. D. Eusden, Jr., and J. B. Lyons

5. Nature of the Acadian Orogeny in Eastern Maine 67 A. Ludman, J. T. Hopeck, and P. C. Brock

6. Acadian Deformations in the Southwestern Quebec Appalachians 85 P. A. Cousineau and A. Tremblay

7. Timing of the Deformation Events from Late Ordovician to Mid-Devonian in the Gaspé Peninsula 101 M. Malo and P.-A. Bourque

8. Acadian Orogeny in Newfoundland 123 H. Williams

9. Acadian Orogeny in West Newfoundland 135 P. A. Cawood

10. Stratigraphic Effects of the Acadian Orogeny in the Autochthonous Appalachian Basin 153 T. Hamilton-Smith

Index 165

ISBN 0-8137-2275-6

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