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Show 386 RELATIVE AGES OF TABLE I. Showing the Relations of the Alluvial, Aqueous, Volcanic, and Hypogene Formations of different ages. t: ;;!: ~ 0 ~ ~ rcrlodo. Formntiono, Some of the Locnlilics where the Formation a occur, I. A. l Aqueous. lVolcanic. Hypogene. ------ { Betls of existing rivers, &c., vol. ii, ch. xiv. { a. Marine. {Coral reefs of the Pacific, vol. ii, ch. xviii. b. Freshwater. {Bed of Lake Superior, &c., vol. i, ch. xiii. Etna, Vesuvius, vol. i. ch, xix. xx. xxi, { Pl t . {Concealed; foci of active volcanos, a. u omc. vol. iii. ch. xxv. b M t 1 · { Concealed; around the foci of active · c amorp nc. volcanos, vol. iii. ch. xxvi. { Loess of the Rhine-gravel covering • the Newer Pliocene strata of Sicily. lAB uvial. 1. Newer Aqueous. { a. Mnrine. Val di Noto, Sicily. b. F1·eshwater. Colle, in Tuscany. • , • , , Val di Noto, Sicily. { Concealed ; foci of Newer Pliocene vol· { a. Plutonic. canos-nndernenth the Val di N oto, vol. iii. p. 107, ancl ch. xxv. { Concealed; near the foci of Newer Pli· b M t h' ocene volcanos-underneath the · e amorp 1c• Val di N oto, vol. iii. p. 109, and Pliocene.1Vol<anic. B. Hypogeue. ch. xxvi. \ Alluvial. • . Norfolk? vol. iii. p. 173. . {a. Marine. Subnpennine formations. 2. Older Ph- Aqueous. b. Jheshwate1·, Near Sienna, ~?l· iii. r· 160. ocene. Volcanic. • , , • Tuscany, vol. ut. p. lo9. C. . {ConcPaled; foci of Oltler Pliocene { a. Plutomc. volcanos-beneath Tuscany. Hypogene. b M t h' {Concealed; probably near the same \ Alluvial. 3 M . Aqueous. , 1ocene. D. Volcanic. Hypogene, !Alluvial. Aqueous. . e amorp tc. foci. { Mont Perrier, Auvergne-Orleanais, vol. iii. P· 217. { a Marine. Bordeaux. Dax. b: Freshwater. Saucats, near B.~~deaux, ~ol. iii. p. 207. , . • • Hungary, vol. 111. ch. xv1. . {Concealed; foci of Miocene volcanos { a. Plutomc. -beneath Hungary. . {Concealed; probably around the same b. Metamorphic, foci. { Summit of North and South Downs? ' vol. iii. p. 311. . { a. M an' ne. Paris and London basmR. b. Freshwater. Isle of Wight-Auvergue. 4. Eocene. E. 1Volcauic. • • • • • { a. Plutonic. Hypogene. . { Oldest volcanic rocks of the Limagne d' Auvergne, vol. iii. ch. xix. { Concealed · foci of Eocene volcanosbeneath theLimagne d' Anvergne, { Concealed ; probably near the same b. Metamorph1c. foci. DIFFERENT FORMATIONS, 387 TABLE I. continued. J'erloda. Formnlion1. Some or tb~ Localitico wlocro tho Formntlona occur. { Alluvial. I C t Aqueous. . re ace- F. Table 11. Volcanic. ous group.1 Hn>ogcne. f All uvial. 2. Wealden Aqueous. group. 1 G. Table II. Volcanic. Hypogene. { a. Marine. {Wiltshire. North Dowus. Flambo-b. Freshwater. rough Head. { a. Plutonic. b. Metamorphic. { Northern flanks of the Pyrenees? near Dax? Portlantl 1 Dirt-bed.' { a. Marine. b. Freshwater. {Weald 0 ~.~urrey, ~ent, and Sussex, vol. m. ch. xx1. { a. Plutonic. b. Metamorphic. 3. Oolite Aqueous. {a. Marine. Oxfo1·d. Bath. Jura chain. !Alluvial. group. b. Freshwater, H. Table II, Volcanic. • • • • , He brides ? Hypogene. {a. Plutonic. . Concealecl; beneath tho Hebrides. b. Metamorphtc. fAll uvial. 4. Lias Aqueous. { a. Marine. b. Freshwater, Lyme Regis. Whitby. Aberthaw. group. I. Table II.l Volcanic. Hypogene. Hebrides? { a. Plutonic. b. Metamorphic. {Alps? ch. ~xvi. P• 371. Valorsine in Savoy? !Alluvial. 5. New Red Aqueous. {a. Mat·iue. {Cheshire. StafFordshire. Vosges. Sandstone Westphalia (Muschelkalk). l b. Freshwater. K. f~b~~ii. Volcanic. • Near Exeter, Devon. Hypogene. {a. Plutonic. Concealed; beneath Devonshire ? b. Metamorphic. J Alluvial. 6 Ca ·b . Aqut>ous. {ba .. FMr~snh'nwea.ter. Siifton. Dudley. Menclip. [Fife. • " 1 om- " Coal measures of Somersetshire and 1tlrOUS • group. !Volcanic. , • , , {Forfars.lure. Edinburgh. Durham. L. '!'able II. H1gh Teesdale. { a. Plutonic. { Concealed; beneathEdinburgh, North- Hypogene. umberland, Durham. b. Metamorphic. {Near th.e Plutonic rocks of the same reriOd, 2 c 2 |