INDEX 
481 
Burntisland, Binn of, i. 428, 429, 433, 435, 45/, 
459 
Burntisland Sill type of dolerite, i. 418, 421 
Busz, Mr. K. , i. 261 
Bute, Isle of, i. 369, 378, 407 
Cadell, Mr. H. M., i. 114, 423 ; ii. 334 
Cader Idris, volcanic rocks of, i. 42, l/», 1/6, 
177, 178, 179, 180, 181, 182, 188, 207 
Caer Caradoc, i. 131, 132, 170 
Caerfai group (Cambrian), i. 155 
Caernarvonshire, volcSnicrocks of, i. 159, 207 
Caithness Flags, i. 343, 352 
volcanic vents in, i. 852 
Calciferous Sandstones, i. 361, 366, 415 
Caleite as a matrix of tuffs, ii. 27, 39, 41 
Caldecote volcanic rocks, i. 170 
Callaway, l)r. C. , i. 126, 130, 132, 134, 220, 
221 
Calton Hill, lavas and tuffs of, i. 373, 378, 385, 
386,389 
Cambrian system, i. 112, 123, 133, 139, 143, 
144 ; volcanoes of, 145, 159 
Campbeltown, volcanic rocks ot, i. 312, 386 
Campsie Fells i. 102, 368, 369, 384, 386, 389, 
393, 397, 39S, 400, 403, 410, 412, 447 
Canary Islands, i. 27 
Canna, basalts of, ii. 184, 18/, 190, 21o, -.16 , 
Oantyre, volcanic rocks of, i. 311, 369, 370, 
386 
Caradoc group, i. 175, 196 
Carbonaceous rocks, influence of, on igneous 
masses, i. 95, 426, 449, 456 ; ii. 65, 87, 104, 
165 . . , . 
Carboniferous Limestone, origin ot, i. -jo/ 
system, subdivisions of, in Britain, l. 
360. 366 ; ancient geography ot, 355, 861, 
362 432 462 ; flora and fauna of, 356 
volcanic plateaux, distribution of, i. 364, 
367 ; nature of materials constituting, 3 // ; 
structure of, 383 ; bedded lavas and tuffs ot, 
383 ; vents of, 54, 394, 399 . 
Pays, i. 46, 47, 308, 364 ; ot Scotland, 
414 • nature of the materials erupted by, 
416 ; necks of, 424 ; bedded lavas and tuffs 
of, 417, 436, 440 ; sills of, 446, 472 ; bosses 
of, 458, 465 : dykes of, 460 ; of Derbyshire, 
ii. 8 ; Isle of Mail, 22 ; of Somerset, 32 ; ot 
Devonshire, 32 ; of King’s County, 37 ; ot 
Limerick, 41 
Carlingford, igneous rocks of, i. 96 ; n. 175, 
371, 420 
Carnedd Dafydd, i. 209 
Carnmony Hill, ii. 272 
Carrocb Fell, differentiation in rocks of, l. 91 ; 
metamorphism at, 94. 96 ; as a volcanic boss, 
235, 236 
Cemeut-stoue group, i. 362, 366, 387, 418, 462 
Cellular structure of volcanic rocks, i. 15, 33 
Chalk, metamorphism of, by a dyke, ii. 164 
Champernowne, A., i. 260, 262 
Charnwood Forest, i. 134; ii. 53 
Cherts associated with volcanic rocks i. 123, 
167, 169, 173, 174, 184, 196, 197, 240, 254 ; 
Cheviot Hills, L 102, 271, 272, 274, 275, 277, 
278, 290, 293, 336 . . . 
PMlled margin in intrusive rocks, 1 . oi, oo , 
iL 126 158 160, 172, 299, 303, 310,, 317, 
321, 392, 402 
• YOL. II 
Christiania, eruptive rocks of, i. 28 
Chronology, volcanic, how determined, l. 46 
Clark, Mr. G. T., ii. ISO .. jno 
Claystone, i. 277, 279, 31S, 824, 32/ ; n. 403 
Cleavage, effects of. on igneous rocks, 1 . 162, lbo, 
224, 231, 232, 234, 237, 260, 261 ; ii. 36 
Clce Hills, ii. 101,102 
Cleveland Dyke, ii. 1, 122, 139, 140, 142, 144, 
146, 147, 150, 153, 167, 168, 169 
Clough, Mr. C. T., i. 114, 201, 286, 274, 290, 
337; ii. 123, 124, 127, 128, 182, 137, 138, 
142, 145, 146, 152, 162, 171, 172, 316, 384, 
437 
Clyde Carboniferous volcanic plateau of, i. 368, 
’ 384’ 385, 393, 400, 407, 411 
Coal interbedded among volcanic rocks, l. 392, 
423 ; ii. 198, 218, 251, 287 . 
alteration of, at volcanic vents, l. 72 ; n. 
64 
alteration of intrusive rocks by, i. 95, 451 
alteration of by sills, dykes, etc., n. 6/, 
164, 166 
Coal-measures, i. 358, 360, 366 
Coalbrookdale Coal-field, ii. 103 
Cole, Prof. G. A., i. 176, 177, 1(8, 179, 180, 
181, 184, 187, 188, 210, 211 ; n. 134, 205, 
212, 245, 370, 371, 378, 426 
Colorado, Grand Canon of, i. 30 ; laecolites oi, 
86 
Columnar structure, i. 25, 27, 343, 378, 385, 
459 ; ii. 164, 186, _ 206, 301 
Comley Sandstone, i. 144 . 
Cones, volcanic, .connection of, with necks, i. 
70 ; contemporaneous denudation of, 73 ; ii. 
202, 218, 230 ; entombment of, i. 433, 463 ; 
ii. 66 _ 
Conglomerates, volcanic, i. 81, 37, 183, 190, 
286, 300, 307, 809, 310, 314, 315, 330, 341 ; 
ii. 195, 198, 218, 284 
Coniston Limestone, i. 229, 231 
Contemporaneity in Geology, 201 
Continents, origin of, i. 11 
Contraction, effects ot terrestrial, i. 12, 9/, 98 
Conybeare, .7. ,J., ii. 95 
W„ i. 171 ; ii. 9, 95, 110, 113, 199 
Cooling, effects of, in inducing varieties of tex- 
ture in igneous rocks, i. 78, 79, 81 ; ii. 274, 
275, 299, 303, 310, 317, 392, 402 
Coon Butte, Arizona, i. 58 
Cork, County, volcanic breccias of, ii. 49 
Coradon, sill of, i. 176, 189, 190 
Corston Hill, i. 373, 386, 387 . 
Craiglockbart type ot dolerite and basalt, i. 413 
Crater, consolidation of tuff within a, i. 42 
Crater-lakes, i. 58; ii. 266, 275 ., 
Cretaceous period, geography of the, n. ius, 
182 
Cross Fell, i. 228, 229, 238 
Cross, Mr. Whitman, l. 86 _ . 
Crush -conglomerates or breccias, l. 32, 220, —3, 
225, 244 ; ii. 281, 347, 352 
Crushing, mechanical effects of, i. 315 ( see 
Crash ^contraction of the terrestrial, i. 12, 97, 
98; oldest rocks of, 110; deformation of, 
117, 121, 264, 295, 297 
Cryptocrystalline type of basalt, i. 419 
Crystallites of volcanic rocks, i. 18 
Crystals, different periods of formation of, m 
volcanic rocks, i. 19, 20, 21, 421 ; ii. 128, 
131 134, 135 ; ejected by volcanic vents, i. 
2 i 
