TABLE OF BRITISH SEDIMENTARY AND FOSSILIFEROUS STRATA.
Reading edition
By H. W. BRISTOW.
Subdivisions. Foreign Equivalents. Origin. Commercial Products.
Post Pliocene. Blown Sand. Raised Beaches. Alluvium. Brick Earth. River Gravel. Cave Deposits. Glacial Deposits. Mud of the Nile. Loess of the Rhine. Various. Peat. Amber. Gold, Diamonds, and other Gems derived from the older deposits.
Pliocene. Crags. Sub-Apennine Strata. Marine Phosphatic Nodules.
Miocene. Leaf Beds and Lignite. Molasse. Faluns of Touraine. and Pipeclay.
Eocene. Upper Eocene. Bagshot Beds. London Clay. Reading Beds, &c. Calcaire Grossier. Nummulitic Lime- stones (European and Asiatic). Freshwater. Estuarine and Marine. Sand, Brown Coal, Pipeclay, Cement Stone, Bricks, and Pottery.
Upper Cretaceous. White and Grey Chalk. Upper Greensand. ‒ Maestricht Beds. Senonien Turonien. Marine and Freshwater (Wealden). Flints from Up. Chalk. Phosphate of Lime. Iron Pyrites. Sandy Ironstones. Building Stone.
Gault. ‒ Albien.
Lower Cretaceous. Lower Greensand. Wealden Beds, &c. Aptien. Neocomian.
Upper Oolitic. ‒ Purbeck. Portland and Kimeridge. Estuarine and Marine. Coal, Jet, Iron Ores, Roofing Slates, Building Stones, and Flags. Alum Shales. Hydraulic Lime- stones.
Middle Oolitic. Coral Rag & Oxford Clay.
Lower Oolitic. ‒ Cornbrash. Forest Marble and Great Oolite. Stonesfield Slate. Inferior Oolite. Jura Formation. Marine.
Lias.
Keuper. Bunter. Rhætic. New Red Marl, Sandstone, and Conglomerate. Sandstone & Pebble Beds. Muschelkalk absent in British Isles. Inland Seas. Salt Lakes. Gypsum. Rock Salt. Building Stones.
Magnesian Lime- stone. Red Marls and Magnesian Limestone. Zechstein. Kupferschiefer. Rothliegende. Marine. Building Stones.
Lower Permian. Red Marl, Sandstone, and Conglomerate.
Carboniferous. Coal Measures. Millstone Grit. Yoredale Rocks. Mountain Limestone. Carboniferien. Terrestrial and Marine. Coal, Anthracite. Iron and Lead Ores. Bldng. Stone,Marble. Oil Springs.
Devonian and Old Red Sandstone. Devonian Slates and Limestones. Old Red Sandstone, &c. Eifel Limestone. Marine and Freshwater. Ornamental Marbles. Serpentine & Slates. Tin, Copper, Lead, Silver Ores, &c.
Upper Silurian. ‒ Ludlow. Wenlock. Upper Llandovery. Primordial Zone. Marine. Roofing Slates. Building Stones. Gold & other Metals.
Lower Silurian. ‒ Lower Llandovery. Bala and Caradoc. Llandeilo. Lingula Flags.
Cambrian. Harlech Grits. Llanberis Slates. Huronian of America. Marine. Roofing Slates. Gold & other Metals.
Laurentian. Gneiss of the Outer Hebrides, and N.W. Coast of Scotland. Labradorite Series in Canada. Marine. Serpentine. Graphite.
Metamorphic Rocks (of all ages):— Gneiss, Mica-schist, Quartzite, Talcose-schist, &c. (Serpentine probably?)
Intrusive Rocks (of all ages):— Lavas, Basalt, Trachyte, Pitchstone, &c. Granite, Syenite, Greenstone, Felstone, Porphyrites, Melaphyres, Mica-Traps, &c. &c.