Page:Transactions of the Geological Society, 1st series, vol. 4.djvu/472

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462
INDEX.
page
Coal Measures, variable thickness of the beds of the 12
───────── consequent difficulty of giving a general section 13
───────── various beds composing the, particularly detailed 15
───────── dykes in the 21
───────── other irregularities in the 29
───────── sections of the 31
───────── mineral springs occurring in 51
─────── shattered strata of, accompanying the slate and greenstone rocks near Appleby 106112
Coal works section ol, in the lead mine measures 69
Conglomerate, lying on the trap at Kinnoul 227
Conybeare, Rev. J. J. Memoranda relative to the porphyritic veins, &c. of St. Agnes in Cornwall 401
──────── Notice of fossil shells in the slate of Tintagel 424
Copper, ores of, found in Northumberland and Durham 84
Coruisk, in Sky, rocks of, described 183
Corundum, on the primitive crystal and cleavage of 254
Cotham stone, one of the beds of the lyas 196
Cross courses, in the mine of Huel Peever, their extent 142
────────── of later formation than the metallic veins 148
────────── effect of one on the killas through which it passes 154
Cross Fell, one of the highest mountains in England 58
Cruachan, Dr. Mac Culloch's remarks on the mountain so called, in Argyleshire 117
──────, difference in the porphyry rocks of, from those of Arran 134
Cumberland, George, Esq. Notes extracted from his communications on the strata in the neighbourhood of Bristol 193
─────────── On the strata at Whorlbury Camp in Somersetshire 216
─────────── Account of a trap rock at Micklewood 444
Cyanite, on the primitive crystal and cleavage of 253
Dinsdale sections at 97
Diopside, on the primitive crystal and cleavage of 252