Later Proterozoic Stratigraphy of the Northern Atlantic Regions
(Sprache: Englisch)
Later Proterozoic Stratigraphy of the Northern Atlantic stimulating and their prompt submission of text and illustrative material has enabled rapid production of Regions aims to produce a concise and up-to-date synthesis of the later Proterozoic geology of...
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Later Proterozoic Stratigraphy of the Northern Atlantic stimulating and their prompt submission of text and illustrative material has enabled rapid production of Regions aims to produce a concise and up-to-date synthesis of the later Proterozoic geology of those lands the book. Funding for this research has come from many bordering the North Atlantic that were once situated sources, including the Natural Environment Research north of the Iapetus Suture and the Tornquist Line. Council, the British Geological Survey, the Geological Proterozoic rocks deposited between 1150 and 650 Ma Surveys of Greenland and Newfoundland and many (the latter date marked by the Varanger glaciation) are universities. the main subject of the book, although reference is also Many of the chapters use differing and interesting made to deposits laid down at the end of the Proterozoic methods of approach, including structural analysis, in Scandinavia, Newfoundland and Greenland. The sedimentology, whole-rock trace element geochemistry, need for such a comprehensive review has become geophysics, and isotopic age dating. The scope of the increasingly apparent in recent years, because the original research was extended to include formerly introduction of many new methods of resolving pro adjacent areas and, as a result, a number of useful blems in complex metamorphic terrains has unlocked a correlations between these regions can be made. The vast store of new information.
Inhaltsverzeichnis zu „Later Proterozoic Stratigraphy of the Northern Atlantic Regions “
1 Introduction.- 1.1 Aim of this volume.- 1.2 Geographical limits.- 1.3 Proterozoic time-span covered.- 1.3.1 Terminology.- 1.4 Tectonometamorphic units.- 1.4.1 The Grenville-Sveco-Norwegian event.- 1.4.2 Late Precambrian events.- 1.4.3 Palaeozoic events.- 1.5 Stratigraphie methods.- 1.5.1 Lithological correlation.- 1.5.2 Chemostratigraphic correlation.- 1.5.3 Isotopic age-dating methods.- 1.5.4 Geophysics in correlation.- 1.6 External links.- References.- Section 1: Rocks Predating the Grenville Event.- 2 Sedimentary structures and sequences within a late Proterozoic tidal shelf deposit: the Upper Morar Psammite Formation of northwestern Scotland.- 2.1 Introduction.- 2.2 Geological setting.- 2.3 Petrography.- 2.4 Sedimentology.- 2.4.1 The Upper Psammite on the western limb of the Morar Antiform.- 2.5 Other features.- 2.5.1 Palaeocurrents.- 2.5.2 Soft-sediment deformation.- 2.5.3 Erosion surfaces.- 2.5.4 Shrinkage cracks?.- 2.5.5 Calc-silicates.- 2.5.6 Morar Striped and Pelitic Schist.- 2.6 Summary.- 2.6.1 Facies relationships.- 2.6.2 Interpretation: lateral changes.- 2.6.3 Interpretation: vertical transitions.- 2.6.4 Discussion.- 2.6.5 The Upper Psammite on the eastern limb of the Morar Antiform: a possible control on basin geometry.- 2.7 Conclusions.- References.- 3 The Glenfinnan and Loch Eil Divisions of the Moine Assemblage.- 3.1 Introduction.- 3.2 Geological setting.- 3.3 Age of the Glenfinnan and Loch Eil Divisions.- 3.4 Stratigraphy of the Glenfinnan and Loch Eil Divisions.- 3.4.1 Glenfinnan Division.- 3.4.2 Loch Eil Division.- 3.4.3 Achnacarry and Achnaconeran Striped Formations.- 3.4.4 The northern and southern parts of the Sgurr Beag Nappe.- 3.4.5 Stratigraphie nomenclature.- 3.5 Regional correlations.- 3.5.1 Correlations between the rocks of the Sgurr Beag Nappe and the Morar Division.- 3.5.2 Correlation between the rocks of the Sgurr Beag Nappe and the Sutherland Moine Assemblage.- 3.6 Sedimentology of the Glenfinnan and Loch Eil Divisions.- 3.6.1 Loch
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Eil Division.- 3.6.2 Glenfinnan Division.- 3.7 Depositional tectonics.- References.- 4 The Central Highland Division.- 4.1 Introduction.- 4.2 Lithofacies.- 4.3 Orogenic history.- 4.3.1 Late Proterozoic history.- 4.3.2 Latest Proterozoic (Knoydartian) shearing event.- 4.3.3 Early Palaeozoic orogeny.- 4.4 Relationship between the Central Highland Division and the Grampian Group.- 4.5 Affinities and age of the Central Highland Division.- 4.6 Regional implications.- References.- 5 The Moine Assemblage in Sutherland.- 5.1 Introduction: a history of speculation and controversy.- 5.2 Lithologies, tectonics and age of deposition.- 5.2.1 Structure and tectonomorphic sequence.- 5.2.2 The A'Mhoine Nappe.- 5.2.3 The Naver Nappe.- 5.2.4 The Swordly Nappe and the granite-migmatite complexes.- 5.2.5 Conclusions on the age of deposition and deformation.- 5.3 Geochemical characterization of the Sutherland Moine Assemblage.- 5.3.1 Analytical method.- 5.3.2 Geochemical results.- 5.4 Discussion and conclusions.- References.- 6 The Moine rocks of Shetland.- 6.1 Moine rocks west of the Walls Boundary Fault.- 6.1.1 The Sand Voe schuppen zone.- 6.1.2 The Eastern Gneisses.- 6.1.3 The metasediments - psammites.- 6.1.4 The metasediments - the garnet-mica schists.- 6.1.5 The correlation with Scotland.- 6.2 Moine rocks east of the Walls Boundary Fault.- 6.2.1 Lithology of the Yell Sound Division.- 6.3 The boundary zone.- 6.4 The Hascosay Slide.- 6.5 Conclusions.- References.- 7 The Krummedal supracrustal sequence in East Greenland.- 7.1 Introduction.- 7.2 General structure of the Caledonides.- 7.3 Isotopic evidence for Grenville orogenesis.- 7.4 Krummedal supracrustal sequence.- 7.4.1 Krummedal.- 7.4.2 Hinks Land.- 7.4.3 Vestfjord.- 7.4.4 Nordbugt.- 7.4.5 East Milne Land.- 7.4.6 North Liverpool Land.- 7.4.7 Kejser Franz Joseph Fjord.- 7.5 Conclusions.- References.- Section 2: Late Proterozoic Rocks on the Laurentian Foreland.- 8 The Stoer Group, Scotland.- 8.1 Introduction.- 8.2 The Stoer Group.- 8.2.1 Breccia facies.- 8.2.2 Muddy sandstone facies.- 8.2.3 Conglomeratic facies.- 8.2.4 Port Cam facies.- 8.2.5 Poll a'Mhuilt facies.- 8.2.6 Bay of Stoer facies.- 8.2.7 Meall Dearg facies.- References.- 9 The Sleat and Torridon Groups.- 9.1 Introduction.- 9.2 The Sleat Group.- 9.2.1 Rubha Guail Formation.- 9.2.2 Loch na Dal Formation.- 9.2.3 Beinn na Seamraig and Kinloch Formations.- 9.2.4 Comparison of Sleat and Torridon Groups.- 9.3 The Torridon Group.- 9.3.1 Diabaig Formation.- 9.3.2 Applecross Formation.- 9.3.3 Aultbea Formation.- 9.3.4 Cailleach Head Formation.- 9.4 The provenance of the Sleat and Torridon Groups.- References.- 10 The Double Mer Formation.- 10.1 Introduction.- 10.2 Regional distribution.- 10.3 Characteristics of the Double Mer Formation.- 10.4 Interpretation of the age of the Double Mer Formation.- References.- 11 The Colonsay Group.- 11.1 Introduction.- 11.2 The Colonsay Group Sequences.- 11.2.1 Lithostratigraphy.- 11.2.2 Cover-basement contacts.- 11.2.3 Sedimentology.- 11.2.4 Regional depositional environment.- 11.3 Structure.- 11.3.1 Deformation history.- 11.3.2 Structural relationships of the main igneous intrusions.- 11.4 Geochronological framework.- 11.4.1 Isotope studies.- 11.4.2 The relative timing of events within the Colonsay Group.- 11.5 Inter-regional correlation.- 11.5.1 Basement correlatives.- 11.5.2 Colonsay Group correlatives.- 11.5.3 Regional correlation of the Colonsay Group deformation.- 11.5.4 Displacement histories on the Great Glen and Loch Gruinart Faults and their bearing on Colonsay Group correlations.- 11.6 Conclusions.- References.- Section 3: Post-Grenville Rocks Affected by the Caledonian Event.- 12 Pre-Dalradian rocks in NW Ireland.- 12.1 Introduction.- 12.2 Northwest County Mayo inlier.- 12.2.1 Erris Complex.- 12.3 Slishwood Division.- 12.4 Northernmost Ireland.- 12.5 Other Proterozoic inliers in NW Ireland.- References.- 13 The Grampian Group, Scotland.- 13.1 Introduction.- 13.2 Stratigraphie framework.- 13.2.1 Glenshirra succession.- 13.2.2 Ord Ban Subgroup.- 13.2.3 Corrieyairack Subgroup.- 13.2.4 Glen Spean Subgroup.- 13.3 Geochemistry.- 13.4 Conclusions.- References.- 14 The Erris Group, Ireland.- 14.1 Introduction.- 14.2 Stratigraphy.- 14.2.1 Doonamo Formation.- 14.2.2 Belderg Formation.- 14.2.3 Broad Haven Formation.- 14.2.4 Benmore Formation.- 14.2.5 Srahlaghy Formation.- 14.2.6 Rocks correlated with the Erris Group.- 14.3 Geochemical studies.- 14.3.1 Psammites.- 14.3.2 Semi-pelites.- 14.3.3 Heavy-mineral bands.- 14.3.4 Amphibolites.- 14.4 Correlation with the Grampian Group.- 14.5 Conclusions.- References.- 15 The Appin Group.- 15.1 Introduction.- 15.2 Stratigraphy.- 15.2.1 Lochaber Subgroup.- 15.2.2 Ballachulish Subgroup.- 15.2.3 Blair Atholl Subgroup.- 15.3 Geochemistry.- 15.3.1 Lochaber Schists.- 15.3.2 Quartzites.- 15.3.3 Black Slates.- 15.3.4 Carbonate rocks.- 15.4 Sedimentology.- 15.4.1 Lochaber Subgroup.- 15.4.2 Ballachulish Subgroup.- 15.4.3 Blair Atholl Subgroup.- 15.5 Conclusions.- References.- 16 Stratigraphy of the Fleur de Lys Belt, northwest Newfoundland.- 16.1 Introduction.- 16.2 Evolution of stratigraphic thought.- 16.3 Infrastructure.- 16.3.1 Age and correlations.- 16.4 Cover sequences.- 16.4.1 Varied sequence.- 16.4.2 Monotonous sequence.- 16.4.3 Ophiolitic rocks.- 16.4.4 Other sequences.- 16.4.5 Contact relationships.- 16.4.6 Age and correlation.- 16.5 Significance and interpretation of the Fleur de Lys Belt.- References.- 17 The Eleonore Bay Group (central East Greenland).- 17.1 Introduction.- 17.2 Alpefjord Formation.- 17.2.1 The lower member.- 17.2.2 The middle carbonate member.- 17.2.3 The upper member.- 17.3 Agardhsbjerg Formation.- 17.3.1 Agardhsbjerg Formation in Canning Land.- 17.4 Brogetdal Formation.- 17.4.1 Description of the major cycles.- 17.4.2 Description of the characteristic facies.- 17.4.3 Interpretation of the palaeoenvironments.- 17.5 Nøkkefossen Formation.- 17.5.1 Description of some characteristic facies.- 17.5.2 Interpretation of the palaeoenvironments.- 17.6 The age of the Eleonore Bay Group.- 17.6.1 Geochronological data.- 17.6.2 Comparisons with the Phanerozoic.- 17.7 Conclusions.- References.- 18 The 'sparagamites' of Norway.- 18.1 Introduction.- 18.2 South Norway.- 18.2.1 Valdres and Mellsenn Groups.- 18.2.2 Engerdalen Group.- 18.3 North Norway.- 18.3.1 Vadsø Group.- 18.3.2 Tanafjord Group.- 18.3.3 Bossekop Group.- 18.3.4 Vestertana Group -.- 18.3.5 Borras Group.- 18.3.6 Dividal Group.- 18.3.7 Barents Sea Group.- 18.3.8 Løkvikfjell Group.- 18.3.9 Laksefjord Group.- 18.4 Palaeogeographical environment and sedimentary evolution.- 18.5 Correlation.- References.- 19 Later Proterozoic environments and tectonic evolution in the northern Atlantic lands.- 19.1 Introduction.- 19.2 Correlating Canada and West Greenland.- 19.3 Correlating West and East Greenland.- 19.4 Correlation between SE Greenland and the NW British Isles.- 19.5 Correlating East Greenland and Scandinavia.- 19.6 Correlating Scandinavia and the NW British Isles.- 19.7 Early Proterozoic mafic volcanic belts.- 19.8 Sedimentation between 1150 and 1000 Ma ago.- 19.9 Continental sedimentation.- 19.10 Marine basins 1150-1000 Ma.- 19.11 Tectonic setting and depositional patterns.- 19.12 Post-Grenville basin development.- 19.13 Early restricted basin development.- 19.14 Late Proterozoic deformation and metamorphism.- 19.15 Early widespread subsidence and deposition.- 19.16 Widespread marine transgression.- 19.17 Postglacial Proterozoic deposits.- References.
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Bibliographische Angaben
- 2012, Softcover reprint of the original 1st ed. 1988, XIV, 280 Seiten, Masse: 21 x 29,7 cm, Kartoniert (TB), Englisch
- Herausgegeben: James F. Winchester
- Verlag: Springer, Berlin
- ISBN-10: 1461573467
- ISBN-13: 9781461573463
Sprache:
Englisch
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