Observations on the different strata of earths, and minerals. More particularly of such as are found in the coal-mines of Great Britain / By John Strachey.

  • Strachey, John.
Date:
1727
Catalogue details

Licence: Public Domain Mark

Credit: Observations on the different strata of earths, and minerals. More particularly of such as are found in the coal-mines of Great Britain / By John Strachey. Source: Wellcome Collection.

    12/22 (page 12)
    AT Bedminfler, Brejleton, Queen- Char let on, and Burnet? they have 4 Veins, which pitch North ,• (here alio they have Red Malm, 4 or 5 Fathom) ; ift. The uppermoft or Whippy Vein is from 3 to 6 Feet thick * 2d. The cPot- Vein, 6 Fathom under the former, 18 Inches thick, ail hard Coal ; 3dly. The French Vein, 7 Fathom under the other, from 2 Feet and a half, to 3 Feet thick, all folid CoaL 4thly, The Rock Vein always d i ft ingui (lied by a Rock of Paving-Stone, or Penant lying over ir, which Rock lies in Strata of grey Slate, or Paving-Stone, fometimes 20 Feet thick; this Vein therefore is never wrought in the fame Pit wnh the former, but about 200 Yards mote to the Land it's computed 7 Fathom under the former. ALL the Works before mentioned agree in the oblique Situation of the Coal, and of the Cliff, which lies over the rdpeclive Veins, (all pitching about 22 Inches in 6 Feet) and in the different Strata of Earths found over the refpedive Veins; but they differ in refped to their Courfe, Level, or Drift, as alfo in Thicknds, Gcodnefs, and Ufe. AT Naylfy, Tubloe, Cumpton-Dandoe, Houndftreet in Chelworth, Vault on, Timber sbury, Welt on, Childeompton, Midfummer-Norton, Stratton, Kilmerfton, Holcolm, Folkland\ Stoke-lane, and Leigh, under Mendip, are Coal-Works, of which I want fufficient Information. BUT as I never heard any Coal was found either Weft- ward or Southward of Mendip Hills, fo the Chalk Hills of. Marlborough-CDowns and Salisbury - Plains, feem to fet Bounds to the Coal Country on the Eaft and South-Eaft, of which 1 have fuppofed Fig. II. a Sedion from South-Weft to North-Eaft. ALL thefe Somerfet (hire Coal Mines differ from the Staf fordjhire, Lancafhire, Derby, and Scotch Works in one Par¬ ticular 5 for there is no Freeftone lying over the Coal in any of thefe Pits 5 on the contrary, the Freeftone Quarries on CH undrey Hills, intercept the Works of Naylfy, Bedminflert Brefleton, Queen- Char let on, and Burnett9 from thole at Stanton, Glutton, Farringdon, Littleton, Sutton; and fo does Oddown, and the other Freeftone Hills about Bath, feem to cut t