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Show 39~ ORDER OF THE SUPERPOSITION OF TABLE II. continued. Periods nn.J I Names or tho prlnclpnl MembF~rs nn~ gencrnl Mine· I Somo ot tho Localities where tho Formnlion occur Grouvs. rnl nature of tho ormatiOn, 1. ~ ~ .s I:: 0 ~ A' 0 a 1'4 ~ ~ ~ ,;:) z 0 0 1'4 00 :::= ~ I Lias (marinc).-Blue, white, and yellow eartl~y limes~one, u~ually in §- thin beds, mterstrahfied wlth clay, e often slaty and bituminous. ~ Dark blue marl, with a few in·egu· cd Jar rubbly limestone beds-sandy ~ madstone. K ci. ::l 0 CB C) s:= 0 "iii "s":=' cd 00 "C"') p:: ~ C) z I. Kettper, or varier;ated mm·ls.- Red, grey, green, blue, aml white marls, sandstones, con~lomerates, and shells, containing gypsum and rock-salt. 2. Muscltelkalk (marine).-Grey, blue, and blackish limestone, with many fossils, particularly encrinites; siliceous layers and nodules; magne-sian limestone, marls of different co-lours, gypsum, and rock-salt. 3. Vm·iegated sandstone. - Red, white, blue, and green siliceo-argilla-ceous sandstone, often micaceous, ancl containing gypsum and rock-salt. 4. Magne1ian limestonP. (marine).Compact shelly limestone, yellow magnesian limestone, marl slate, reel marl, and gypsum. - Lyme Regis, iu Dorsetshin•, and in many pa1·ts of Somersetshire, Gloucestershire, Warwickshire, N otting. hamshire, and Yorkshire-in Sutherlandshire, the Hebrides, and North of lreland. In France, and, to a considerable extent, in G('rmany. Neighbourhood of Vosges moun-tains, and many parts of Wurtemberg and W estphaha, and other parts of Germany. Extensively de.veloped in Germany and France. Hitherto no beds in Eng. land have been identified with the formation. N ottinghamshire- Yorkshire. It is uncertain whether the variegated sandstone of England belongs to the Keuper formation of Germany, or to the variegated sandstone which lies under the M uschelkalk in Westphalia, Wurtemberg, the Vosges, &c. N ottinghamshire, Derbyshire, Yorkshire, Durham, Northumberland. Departments of Saone and Loire, Hartz mountains, Thuringia, Westphalia. 5. Red conglomet·ate.-Sandstones, Neighbourhood of Exeter-York-conglomerates, sands, and marls. shire- Durham-W cstphalia-Wur· temberg-Vosges mountain~. THE PRINCIPAL STRATA IN EUROPE. 393 TABLE II. continued. ~Peri"od• nnd I N ames of tho rineipal Members nnd general Mine- I , , , rur nuturo or thu Formntion. Somo or the LocnlitleS where tho FormatiOn occurs. L 1. Coal measures (freshwater ?).Sandstones, grits, conglomerates, clays with ironstone, shales, and limestone, interstratified with beds of coal. 2. !rfountain limestone (marine). §- G1·cy, compact, and crystalline limea stom•, abounding in lead ore in North CS of England, and alternating with coal ~ measures in Scotland. 2 ~ ·a Northumberland, Durham, Yorkshire, Lancashire, Derbyshire, Staffordshire, Gloucestershire, Somersetshire, South Wales, Valleys of the Forth and Clyde. District of Liege, Westphalia, Silesia, Bohemia, &c. Mendip Hills, Somersetshire, Derbyshire, Yorkshire, Lanl.'ashire,:w estmoreland, Durham, Northumberland, Lnnarkshire, Linlithgowshire, many parts of Ireland. North-west of Germany, Belgium, North of France. ~ 0 3. Old 1·ed sandstotJe.-Coarse and Extensively developed in Shropshire fine siliceous sandstones and conglo- and Heufordshire, Brecknockshire, merates of various colours, red predo- Dumfriesshire, Forfarshire, minating. S1lesiu, Bohemia. 4. Grauwache and t1·mzsition limestone (marine ).-Coarse and fine slates, sandstones, and conglomerates -crystalline limestones. . W cstmoreland, Cum berland, Wales, Somersctshire, Devonshire, South of Scotland, South of Ireland. North of Franc<!, N orth-wcst of Germany, &c. |