Excursion guide to the geology of the Isle of Skye

Work in progress Chapter 1 Introduction (A) History of research (B) Geological synopsis Chapter 2 Pre-Tertiary rocks (A) Lewisian Gneiss (B) Torridonian sedimentary rocks (C) Moine schists (D) Cambro-Ordovician sedimentary rocks (E) Triassic sedimentary rocks (F) Jurassic sedimentary rocks (G) Cretaceous sedimentary rocks (H) Pre-Tertiary minor intrusions Chapter 3 Tertiary extrusive products (A) Basal Tuffs (B) Interbasaltic sedimentary rocks (C) Interbasaltic laterites (D) Plateau lavas (E) Acid lavas Chapter 4 The Cuillin Complex (A) Introduction (B) The Outer Marginal Gabbros and Eucrites (C) The Border Group (D) The Layered Peridotite Series (Sgurr Dubh Peridotites) (E) The Outer Layered Allivalite Series (F) The Outer Layered Eucrite Series (G) The Outer Layered Gabbro Series (H) The Druim nan Ramh Eucrite (I) The Inner Layered Allivalite Series (J) The Inner Layered Eucrite Series (K) The Inner Layered Gabbro Series (L) The Coire Uaigneich Granite (M) Thermal effects of the Cuillin Complex (N) The Volcaniclastic pipes of the Cuillin Complex Chapter 5 The Srath Na Creitheach Centre (A) Introduction (B) General field relationships (C) The Meall Dearg Granite (D) The Ruadh Stac Granite (E) The contact between the Meall Dearg and Ruadh Stac granites (F) The Meall Dearg Acid Breccias (G) The Blaven Granite (H) Shape and mechanism of intrusion of the granites Chapter 6 The Western Red Hills Centre (A) Introduction (B) The Belig and Meall a' Mhaoil vent agglomerates and breccias (C) The Marsco Summit Gabbro (D) The Glamaig Granite (E) The early northern granites of Maol na Gainmhich and Eas Mor (F) The Beinn Dearg Mhor and Loch Ainort granites (G) The early southern granite of Glen Sligachan and the Southern Porphyritic Granite (H) The Marscoite Suite (I) The Northern Porphyritic Felsite and the late northern granite of Meall Buidhe (J) The late southern granite of Marsco (K) Mechanisms of intrusion and volcanic processes Chapter 7 The Eastern Red Hills Centre (A) Introduction (B) The Kilchrist Hybrid Ring-dyke (C) The Beinn na Cro Gabbro (D) The Broadford Gabbro (E) The Glas Bheinn Mhor Granite (F) The Outer Granite (G) The Inner Granite (H) The composite sills and dykes (I) Thermal and metasomatic effects of the granites Chapter 8 Pyroclastic rocks of The Central Complex (A) Introduction (B) The Srath na Creitheach Deposits: description (C) The Srath na Creitheach Deposits: origin (D) The Creagan Dubh and Kilchrist Deposits: description (E) The Creagan Dubh and Kilchrist Deposits: origin Chapter 9 The minor intrusions (A) Introduction (B) The regional dyke swarm and associated subswarms (C) The compositions of the basic dykes of the regional swarm (D) The cone-sheets of the Cuillin Complex (E) The tholeiite sheets of the Western Cuillin Complex (F) The Gars-bheinn ultrabasic sill (G) The layered ultrabasic dyke of Stac Suisnish (H) The basic sill complex of North Skye (I) The ultrabasic (picritic) dykes and sills of Central Skye (J) The ultrabasic (allivalitic) dykes of North Skye (K) The trachyte dykes (L) The augite-andesite dykes (M) The pitchstone dykes (N) The leidleite dyke of the Tungadal River (O) The brecciated rhyolite and acid breccias of the Kilchrist Area (P) Deformed Lower Tertiary dykes and sills Chapter 10 Tectonic and stratigraphic evolution (A) Introduction (B) The Moine Thrust Zone (C) The Sea of the Hebrides and Inner Hebrides sedimentary basins (D) The Camasunary Fault Chapter 11 Quaternary and Recent geology (A) Introduction (B) Glaciation and glacial deposits (C) Raised beaches (D) Landslips (E) Screes and rockfalls (F) Diatomite deposits (G) Alluvium (H) Peat (I) Blown sand Chapter 12 Origin of the magmas and the hydro-thermal systems associated with the Skye centre (A) Introduction (B) Mantle melting events and crustal contamination of magmas (C) The parental magmas of the Cuillin Complex (D) Generation of the acid magmas (E) Magma-mixing (F) Hydrothermal systems associated with the Skye Centre (F) Hydrothermal systems associated with the Skye Centre Introduction to excursions List of excursions Excursion 1 The area around Isleornsay Excursion 2 The areas around Ord and Tarskavaig Excursion 3 The Strathaird Peninsula Excursion 4 Beinn an Dubhaich Excursion 5 Kilchrist Excursion 6 The area around the Old Manse at Kilchrist Excursion 7 The Broadford area Excursion 8 Creag Strollamus Excursion 9 Strollamus to Torrin Excursion 10 Camasunary Bay Excursion 11 Loch Coruisk - Druim Hain Excursion 12 Gleann Torra-mhichaig - Coire nam Bruadaran - Belig Excursion 13 The Moll Coast Excursion 14 The Allt Daraich section Excursion 15 Marsco Excursion 16 Glen Brittle and the Western Cuillin Hills Excursion 17 The Portree area Excursion 18 Bearreraig Bay - The Storr Excursion 19 The Loch Cuithir diatomite deposits Excursion 20 The Kilt Rock Excursion 21 Kildorais to Staffin Bay coastal section and The Quirang Excursion 22 West Trotternish Appendix 1: Glossary of petrological names and terms Appendix 2: Glossary of fossil names Appendix 3: Glossary of place names and grid references