466
INDEX.
page | |
Heliotrope, occurs in the trap of Kinnoul | 227 |
Helvellyn, height of | 436 |
Hœmatite found in the Cheviot hills | 95 |
Hennah, Rev. Richard, Observations on the limestone of Plymouth | 410 |
Holy Island, clay ironstone formerly collected on, by the Carron Company | 67 |
Hony, the Rev. W.E. Geological Remarks on the Vicinity of Maestricht | 310 |
Hornblende rock, found in the Cheviot hills | 95 |
───────── schist, alternates with gneiss at Sleat in Sky | 160 |
Huel Peever, Mr. William's account of the veins of | 139 |
Hastings, height of hills near | 437 |
Hypersthene rock, rock of the trap family so called | 184 |
Infiltration, process of, by which veins are formed | 395 |
Ingleborough, height of | 435 |
Iron, ores of; found in Northumberland and Durham | 85 |
Iron pyrites, found abundantly in coal and shale; sold to the manufacturers of green vitriol | 19 |
Iron sand, magnetic, found by Dr. Traill in Cheshire | 447 |
Iron, specular, on the primitive crystal and cleavage of | 251 |
Iron work, one only now remaining in Northumberland | 67 |
Iserine, found by Dr. Traill in Cheshire | 447 |
Jasper, its resemblance in character to porphyry | 134 |
Junction of granite and schist at Cruachan | 120 |
────── of trap and schist at Kinnoul | 228 |
Killas, traversed by beds of other rocks in Devonshire | 151 |
────, Dr. Mac Culloch on certain colours in | 398 |
────, the principal rock from the borders of Dartmoor along the Tavy | 146 |
────, extends to the coast, and joins the Plymouth limestone | 148 |
────, of Devonshire intersected by metallic veins | 148 |
────, altered in its texture by a cross course | 154 |