A Rudimentary Treatise on Coal and Coal Mining... |
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Page 20
... upper part of the Paleozoic or " ancient life " division of the earth's crust , that the great coalfields of the world are sought out and worked . But some coun- tries , as Italy , for example , are not fortunate enough to possess any ...
... upper part of the Paleozoic or " ancient life " division of the earth's crust , that the great coalfields of the world are sought out and worked . But some coun- tries , as Italy , for example , are not fortunate enough to possess any ...
Page 21
... Upper Chalk . Lower Chalk . Chalk Marl . Upper Greensand . Gault . Lower Greensand . upon granite . Similarly , it has to be borne. Chief Divisions . Norwich Crag . Red and Coralline Crag . Locality of Coal or Brown Coal . Faluns of ...
... Upper Chalk . Lower Chalk . Chalk Marl . Upper Greensand . Gault . Lower Greensand . upon granite . Similarly , it has to be borne. Chief Divisions . Norwich Crag . Red and Coralline Crag . Locality of Coal or Brown Coal . Faluns of ...
Page 24
... upper measures in Fintshire , seams of 10 and 12 feet thick are worked . In South Staffordshire , 30 to 36 feet , at Pictou , Nova Scotia , 36 feet , and at Pottsville , U.S. , 40 feet , are the thicknesses of exceptional seams , put ...
... upper measures in Fintshire , seams of 10 and 12 feet thick are worked . In South Staffordshire , 30 to 36 feet , at Pictou , Nova Scotia , 36 feet , and at Pottsville , U.S. , 40 feet , are the thicknesses of exceptional seams , put ...
Page 26
... deep hard " coal for half a mile in very thic whilst the next seam above it , the " upper soft proved continuous , and been worked over the entire area . Another sort of thinning is where the 26 COAL AND COAL - MINES .
... deep hard " coal for half a mile in very thic whilst the next seam above it , the " upper soft proved continuous , and been worked over the entire area . Another sort of thinning is where the 26 COAL AND COAL - MINES .
Page 27
... upper coals , and coupled with the smoothly polished under surface which may occasionally be noticed , lead me to think that the coal must have remained in a plastic condition long after it was covered up with sediment , and that it has ...
... upper coals , and coupled with the smoothly polished under surface which may occasionally be noticed , lead me to think that the coal must have remained in a plastic condition long after it was covered up with sediment , and that it has ...
Common terms and phrases
accidents amount anthracite applied Architect ARCHITECTURE Author beds Belgium bords bottom brattice Bridge C.E. Illustrated cage carboniferous carboniferous limestone cloth boards coal-measures coalfield collieries Construction containing cylinder depth Derbyshire districts drum Edition employed engine enlarged fathoms feet of coal feet thick field fire-damp Forest of Dean fossil fuel furnace gauze geological inches diameter inclined ironstone Lancashire length levels light lignite limestone long-wall lower LUDGATE HILL measures method miles millstone grit mineral mines mode modern Newcastle North Outfall Sewer passing pillars pits placed Plates Practical pumps quantity Railway raised RALPH TATE revised roads rocks rods roof rope Rudimentary Treatise safety lamps sandstone scale Science SCOTT BURN shaft shales side South Wales square miles steam stone strata surface Tables thin Timber tion tons tubs upper valuable ventilation volume waggons wedging wheels whilst wood Woodcuts workable yards
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