Avalonian and Cadomian geology of the North Atlantic:
Gespeichert in:
| Format: | Buch |
|---|---|
| Sprache: | English |
| Veröffentlicht: |
Glasgow u.a.
Blackie
1990
|
| Ausgabe: | 1. publ. |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XII, 252 S. Ill., Kt. |
| ISBN: | 0216926866 041202151X |
Internformat
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| 245 | 1 | 0 | |a Avalonian and Cadomian geology of the North Atlantic |c ed. by R. A. Strachan ... |
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| 650 | 7 | |a Précambrien |2 ram | |
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| 650 | 4 | |a Geology |z North Atlantic Region | |
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Datensatz im Suchindex
| _version_ | 1804118443502338049 |
|---|---|
| adam_text | Contents
1 Introduction 1
R. A. STRACHAN and G. K. TAYLOR
References 3
2 The Longmyndian Supergroup and related Precambrian sediments
of England and Wales 5
J. C. PAULEY
2.1 Introduction 5
2.2 Longmyndian Supergroup, Welsh Borderland 5
2.2.1 Stratigraphy of the Longmyndian Supergroup 7
2.2.2 Structure of the Longmyndian Supergroup 9
2.2.3 Sedimentology of the Longmyndian Supergroup 10
2.3 Old Radnor Inlier, Welsh Borderland 12
2.4 Charnian Supergroup, Leicestershire 15
2.5 Llangynog Inlier, Dyfed 18
2.6 Other outcrops of Precambrian sediments in England and the Welsh Borderland 19
2.7 Depositional setting of the Precambrian sediments 21
References 24
3 Pre-Arenig terranes of northwest Wales 28
W. GIBBONS
3.1 Introduction and historical perspective 28
3.2 The Monian Supergroup 33
3.3 The Coedana Complex 36
3.4 The southeast Anglesey blueschists 38
3.5 The Sarn Complex 40
3.6 Regional correlations 40
3.7 Overstep sequences and age constraints 41
3.8 Monian tectonics: an overview 44
References 46
4 The Rosslare Complex: a displaced terrane in southeast Ireland 49
J. A. WINCHESTER, M. D. MAX and F. C. MURPHY
4.1 Introduction 49
4.2 The Rosslare Complex: constituents and geological history 51
4.2.1 Early tectono-thermal history 51
4.4.2 The second event (M2) 55
4.2.3 The third event (M3) 56
4.2.4 The fourth event (M4) 57
4.3 Rocks marginal to the Rosslare Complex 57
4.3.1 Tomhaggard Zone 57
; CONTENTS
4.3.2 Silverspring Zone 57
4.3.3 Tagoat Group 60
4.3.4 The Ballycogly Group 60
4.3.5 Cullenstown Formation 60
4.3.6 Tuskar Group 60
4.4 Caledonian intrusions 61
4.4.1 Saltees Granite 61
4.4.2 Younger basic dykes 61
4.4.3 Carnsore Granite 62
4.5 Conclusions 62
References 63
5 Cadomian terranes in the North Armorican Massif, France 65
R. A. STRACHAN, R. A. ROACH and P. J. TRELOAR
5.1 Introduction 65
5.2 St. Brieuc terrane (SBT) 67
5.2.1 Pre-Cadomian Icartian basement 69
5.2.2 The Penthièvre complex 69
5.2.3 Brioverian supracrustals 72
5.2.4 Cadomian magmatism 74
5.3 St. Malo terrane (SMT) 76
5.4 Mancellian terrane (MT) 77
5.5 Nature and timing of deformation 78
5.6 Post-Cadomian sedimentation 81
5.7 Regional correlations ^
5.7.1 Guernsey, Sark, Alderney and Cap de la Hague 83
5.7.2 Jersey 85
5.7.3 Lower Normandy 85
5.8 Geotectonic setting 86
References 88
6 Precambrian of the Bohemian Massif, Central Europe 93
J. CHALOUPSKY
6.1 Introduction 93
6.2 The Bohemian Massif 93
6.3 The Moldanubian 97
6.4 The Brioverian 99
6.4.1 The Lower Brioverian 99
6.4.2 The Middle Brioverian 100
6.4.3 The Upper Brioverian 10
6.5 Unit boundaries 102
6.6 Cadomian deformation 103
6.7 Cadomian metamorphism and plutonism 103
References 106
7 Precambrian terranes in the Iberian Variscan Foldbelt 109
C. QUESADA
7.1 Introduction 109
7.2 Precambrian sequences and history of northwest Iberia suspect terranes 111
7.3 Stratigraphy of Precambrian sequences in the Iberian terrane 113
7.3.1 Pre-orogenic sequences 114
7.3.2 Syn-orogenic sequences 119
CONTENTS xi
7.4 Late Precambrian tectono-thermal evolution of the Iberian terrane: the
Cadomian orogeny 122
7.4.1 Cadomian deformational events 122
7.4.2 Cadomian metamorphism 124
7.4.3 Cadomian igneous activity 126
7.4.4 The Cadomian orogeny in the Iberian terrane from a terrane
perspective 127
References 130
The West African orogens and Circum-Atlantic correlatives 134
R. D. DALLMEYER
8.1 Introduction 134
8.2 Mauritanide, Bassaride, and Rokelide orogens 134
8.2.1 Geologic setting 136
8.2.2 Tectono-thermal history 142
8.2.3 Geophysical controls on tectonic models 144
8.2.4 Geodynamic models 145
8.3 Southern Appalachian orogen 147
8.4 Pre-Cretaceous crystalline basement beneath the Atlantic and Gulf
Coastal Plains of the southeastern United States 150
8.4.1 Suwannee terrane 150
8.4.2 Structure 153
8.4.3 Relationship to Appalachian elements 154
8.4.4 Wiggins Uplift 154
8.4.5 Southwestern Alabama Igneous Complex 155
8.4.6 Regional tectonic relations 155
8.5 Appalachian-West African correlations 156
8.6 Terrane accretion in the southern Appalachian orogen 158
References 160
The Avalon Zone type area: southeastern Newfoundland
Appalachians 166
S. J. O BRIEN, D. F. STRONG and A. F. KING
9.1 Introduction 166
9.2 Characteristic lithology and age 168
9.3 Boundaries 170
9.4 Precambrian stratigraphy 171
9.4.1 Pre-635 Ma rocks 171
9.4.2 Late Precambrian (635 Ma-600 Ma) volcanic rocks 172
9.4.3 Late Precambrian (635 Ma-c. 570 Ma) marine sedimentary rocks 174
9.4.4 Latest Precambrian terrestrial sedimentary rocks 176
9.4.5 Latest Precambrian (c. 570 Ma) volcanic rocks 177
9.5 Late Precambrian plutonic rocks 178
9.6 Cambro-Ordovician stratigraphy 180
9.7 Mid-Palaeozoic stratigraphy 181
9.8 Palaeozoic plutonic rocks 182
9.9 Mesozoic magmatism 182
9.10 Tectono-thermal history 182
9.11 Synthesis 186
9.11.1 Deep crust 186
9.11.2 The Burin Group 186
9.11.3 Volcanic and plutonic rocks 187
9.11.4 Sedimentary rocks 187
9.11.5 Latest Precambrian rocks 188
XÜ CONTENTS
9.11.6 The Eocambrian-Palaeozoic record 188
9.11.7 The Avalonian-Appalachian connection 189
References 1™
10 The Avalon Composite terrane of Nova Scotia 195
J. B. MURPHY, J. D. KEPPIE, R. D. NANCE
and J. DOSTAL
10.1 Introduction I95
10.2 Geological data 200
10.2.1 Mid/Late Proterozoic gneisses 200
10.2.2 Mid/Late Proterozoic platformal rocks 203
10.2.3 Late Proterozoic volcano-sedimentary rocks 204
10.2.4 Early Palaeozoic overstep sequences 208
10.3 Discussion 210
References 212
11 The Avalon Zone of New Brunswick 214
R. D. NANCE, K. L. CURRIE and J. B. MURPHY
11.1 Zone definition 214
11.2 Zone boundaries 214
11.3 Unit descriptions 219
11.3.1 Brookville Gneiss 220
11.3.2 Green Head Group 221
11.3.3 Martinon Formation 222
11.3.4 Early amphibolites? 224
11.3.5 Late Precambrian granitoid plutons (Golden Grove suite) 224
U.3.6 Coldbrook Group 225
11.3.7 Kingston Dyke Complex(?) 227
11.3.8 Late Precambrian (?) mylonite zones 228
11.3.9 Eocambrian succession 230
11.3.10 Saint John Group 231
11.4 Regional correlations 232
References 234
12 Palaeomagnetic and tectonic constraints on the development
of Avalonian-Cadomian terranes in the North Atlantic region 237
G. K. TAYLOR and R. A. STRACHAN
12.1 Introduction 237
12.2 Palaeomagnetic constraints on a laie Precambrian plate reconstruction 237
12.2.1 The main cratons 237
12.2.2 The intervening terranes 240
12.2.3 Comparison with previous reconstructions 241
12.3 Tectonic synthesis 242
References 246
249
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| spelling | Avalonian and Cadomian geology of the North Atlantic ed. by R. A. Strachan ... 1. publ. Glasgow u.a. Blackie 1990 XII, 252 S. Ill., Kt. txt rdacontent n rdamedia nc rdacarrier Géologie - Atlantique Nord (région) ram Précambrien ram Geologie Geology North Atlantic Region Geology, Stratigraphic Precambrian Präkambrium (DE-588)4046985-2 gnd rswk-swf Geologie (DE-588)4020227-6 gnd rswk-swf Atlantischer Raum Nord (DE-588)4206637-2 gnd rswk-swf Atlantischer Ozean Nord (DE-588)4111442-5 gnd rswk-swf (DE-588)4143413-4 Aufsatzsammlung gnd-content Atlantischer Raum Nord (DE-588)4206637-2 g Präkambrium (DE-588)4046985-2 s DE-604 Geologie (DE-588)4020227-6 s Atlantischer Ozean Nord (DE-588)4111442-5 g Strachan, Richard A. Sonstige oth HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=002639813&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Avalonian and Cadomian geology of the North Atlantic Géologie - Atlantique Nord (région) ram Précambrien ram Geologie Geology North Atlantic Region Geology, Stratigraphic Precambrian Präkambrium (DE-588)4046985-2 gnd Geologie (DE-588)4020227-6 gnd |
| subject_GND | (DE-588)4046985-2 (DE-588)4020227-6 (DE-588)4206637-2 (DE-588)4111442-5 (DE-588)4143413-4 |
| title | Avalonian and Cadomian geology of the North Atlantic |
| title_auth | Avalonian and Cadomian geology of the North Atlantic |
| title_exact_search | Avalonian and Cadomian geology of the North Atlantic |
| title_full | Avalonian and Cadomian geology of the North Atlantic ed. by R. A. Strachan ... |
| title_fullStr | Avalonian and Cadomian geology of the North Atlantic ed. by R. A. Strachan ... |
| title_full_unstemmed | Avalonian and Cadomian geology of the North Atlantic ed. by R. A. Strachan ... |
| title_short | Avalonian and Cadomian geology of the North Atlantic |
| title_sort | avalonian and cadomian geology of the north atlantic |
| topic | Géologie - Atlantique Nord (région) ram Précambrien ram Geologie Geology North Atlantic Region Geology, Stratigraphic Precambrian Präkambrium (DE-588)4046985-2 gnd Geologie (DE-588)4020227-6 gnd |
| topic_facet | Géologie - Atlantique Nord (région) Précambrien Geologie Geology North Atlantic Region Geology, Stratigraphic Precambrian Präkambrium Atlantischer Raum Nord Atlantischer Ozean Nord Aufsatzsammlung |
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