INDEX.
463
| page | |
| Dorking, height of hills near | 437 |
| Dover, height of cliffs near | 437 |
| Dunkerry Beacon, height of | 437 |
| Durham and Northumberland. N. J. Winch, Esq. on the Geology of | 1 |
| Dyke of basalt in the coal-field of Northumberland and Durham, described | 21 |
| ─── effect of on the coal where in contact with it 21, 24, 25, 26, 27 | |
| ─── mineral resembling adularia found in that at Coley Hill | 21 |
| ─── horizontal section of that at Walker colliery | 22 |
| ─── at Coley hill described | 21 |
| ─── at Walker colliery | 22 |
| ─── at Walbottle Dean | 23 |
| ─── at Tynemouth castle | 24 |
| ─── at Butterby | 24 |
| ─── Ninety fathom | 25 |
| ─── Birtley | 27 |
| ─── Thistle pit | 28 |
| ─── Heworth | 28 |
| ─── of basalt in the lead mine measures | 76 |
| ─── at Tynemouth Priory | 96 |
| ─── traversing limestone in Northumberland. Mr. Balmur's account of one | 102 |
| ─── the whin composing it different from that of other deposits | 104 |
| ─── through slate at Caterpallet composed of felspar mixed with talc | 109 |
| Elvan, the name given to porphyritic veins in Cornwall | 401 |
| ────, a Cornish term applied to chlorite and quartz | 152 |
| Encrini, found abundantly in the black rock of Bristol | 198 |
| Epidote, forms a constituent part of the trap of Garsven in Sky | 188 |
| Exmoor, height of | 437 |
| Extracts, from the Minute book of the Geological Society | 443 |
| Fetid limestone, found in botryoidal masses in the magnesian limestone of Hartlepool | 9 |
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