229
INDEX.
A. Page Abstract of principal coals 20 Action of forces of disturbance 155 Air heads 221 Aldridge trial pits 99, 160 Alteration of coal, speculations on nature of 123 Alteration of "green rock" into "white rock" trap 118 Amount of coal in different parts of field 106 Analysis of basalt 117 of "white rock" trap 118 Arblaster, Samuel, found ironstone beneath deep coal of Brown Hills 76 , on outcrop of coal 170 Arenaceous materials of Coal-measures 16 Argillaceous materials of Coal-measures 15 Ash, trappean, associated with basalt 130 Attwood, Mr., the Hawn colliery of 28 Aymestrey limestone 106 fossils of 116 B. Baekstone ironstone 21,34 Baggeridge Wood, Permian conglomerate of 13 Bagnall's, Messrs., pit near Tividale, Thick coal injured by "rock and rig" and trap 43 , limestone pits of 107 Baker, Philip, of Landywood 89 Bald's Hill fault 165 Ballstone ironstone (Baremoor) 55 Bangham pit, section in lane leading to 9,10,14 Baremoor colliery 30 rock fault at 46 section of 47 swell or roll at 52 Barnford Hill, Permian conglomerate of 12 Barr Beacon, height of 2 Great Permian rocks at 186 limestone 108 and Llandovery rocks found only on east side of coal-field 134 Barrow Hill colliery 30 basalt of 124 Basalt 3, 117 and Greenstone, difference between, owing to circumstances 150 cut and shifted by faults 132 and ash 120, 131 analysis of 117 at Yew-tree Hill 154 contemporaneous 131 of Barrow Hill 124 of Netherton 125 of Rowley 120 of Pouk Hill 125 mode of deposit of 130 poured out on surface 130 of Rowley, its influence on 117 the dislocation of the rocks 152 Base of Coal -measures 80 Bass coal 24 Batt or bass 16 Beaudesert Old Park, section in 104 Beckett, Mr. H, of Wolverhampton, sections communicated by 39, 94 faults between Birch Hills and Harden communicated by 169 mining plans of Norton Manor, communicated by 102 on stools of plants in coal 201 faults laid down by 210 Bell Inn, Northfield, Permian rock near 9 Benches, bottom of Thick coal 21, 35 coal of Wyrley 92 Bentley, beds below Heathen coal 56 Bind coal and ironstone at 21, 88 Blue flats at 79 Bottom coal at 72, 168 fault 87, 168 Fire-clay balls at 64 Fire-clay coal at 65, 168 General section at 23 George, Mr., of, 65, 69, 79,88, 98, 167,174 Heathen coal at 55, 88, 158 Hey coal 24, 88, 93, 158 Lambstone ironstone at 88 Limestone pit at 84 New Mine coal at 60, 168 New Mine stone at 56 Old Man's coal of 24, 88, 168 Poor Robin at 58 separation of New Mine coals at 22 Bibbley rock, description of 16
