238
INDEX.
Page Permian rocks on west side of coal-field 183 thickness of 200 unconformable to Coal-measures 135 outliers of, near Halesowen 155 Position and lie of the rocks in the coal-field 140, 145 of the Permians round the coal-field 183 of the New Bed sandstone round the coal-field 187 Potts, Jesse, of Wyrley 97 Pouk Hill near Walsall, basalt at, 117, 125 Pouncill batt 21, 45, 53 Practical importance of boundary fault of coal-field 176 of understanding unconformability 135 knowledge of value to geologist 192, 198 value of proper definition of fault 190 of geological knowledge illustrated 135, 149, 192, 193 of theoretical reasoning on facts connected with date of faults and denudation of Lias and Red Marl 199 Priestfield colliery 59, 63, 68 Primary or Palæozoic formations 3 Principal line of division of coal-field 142 Products in New Mine or White ironstone near High Haden 58 Q. Quarry Hill, near Halesowen 136 outlier of Permian rock on 135 Quartz rock of the Lickey Hill 111 R. Ramsay, Professor, A. C, 3, 8, 13, 15, 30, 153, 183, 185 Ramrod Hall colliery 13 Rea river, source of 2 Red Coal-measure clays, 20, 30, 31, 98, 102, 180 Red coal (part of Thick coal) 21 Red marls 3, 187 of the Staffordshire district, all sinkings for coal in, absurd 200 Red rocks surrounding coal-field 183 Red sand, valley or hollow in Coal-measures filled by 207 Ribs or walls of coal left in mining 220 Richards, Mr., of Wassel Grove 28 "Rings" for keeping coal on "skips" 220 Ripple or current mark on sandstone 5 Rising Sun Trough 170 Roberts, Mr., of Walsall 99 Robins or Old Robins coal of Wyrley 23, 91 Rock and rig 50, 121, 124 binds, description of 17 description of 16 faults, description of 45, 46 supposed at Heath pits 138 bearing of, on question of formation of coal 201 Rocks, description of 2 Rock salt 4 Rolls, swells, or horses' backs, rise of floor into coal 45, 51, 191 bearing of, on question of formation of coal 201 Romsley Hill, Permian rocks of, 9, 11, 13 Roofs coal (part of Thick coal) 21, 35 (part of Bottom coal) 73 Rotch or Roach, description of 73 Rough Hills White ironstone 22, 67 Round Hill pits, flying reed at 39 Rowley Hills, height of 2 basalt of 117, 151 rag 117 Rubble coal 21, 55 Ruck of Stones, deep boring at 11 Runcorn Hill, near Cannock, red clays at 102 Rushall, limestone at 160 Russell's Hall fault 151 Russell, ground bailiff, Pelsall Heath 169 Rye Croft, Blue flats at 79 Silurian at 84 S. Saint Kenelm's Chapel, Permian rocks near 11, 186 Salt, rock 4 Salter, Mr. J. W., on fossils, 14, 27, 110, 112 Sand beds, the, colliery at 65 Sandstone altered into quartz rock at Lickey Hill 111 in Thick coal at Baremoor 44 at Causeway Green 51 singular relation of to Flying reed 40 Sandwell Park, cuttings near 11 Sawyer coal (part of Thick coal) 21, 35 Secondary or Mesozoic rocks 2 Section, general 20 of northern district 23 of Thick coal 35, 37, 40, 41, 44, 47 of Gubbin measures 53 of New Mine ironstone 56 of beds at Cathedral pits 58 of New Mine coal 60 of Fire-clay coal 65 of measures between Fire-clay and Bottom coals 68 of Bottom coal 68 to 74 of Gubbin and Balls 75 of Blue flats, Silver threads and Diamonds 79 of base of Coal-measures 83 of measures at Bentley 88 of Wyrley 91 of Essington 94