Shafts	Index	Shafts

Geology encountered   Thickness   Depth   ft. in.   ft. in. Outset    6  0     6  0 Soil    2  0     8  0 Sand    9  0     17  0 Gravel    4  0     21  0 Limestone marl and soft limestone to where the pit is walled    18  0     39  0 Yellow limestone of various descriptions    95  6     134  6 Limestone of a blue grey colour, called the "blue rag" in these flags near the bottom    44  2     178  8 (N.B.щThe water increased regular from the depth of about 16 fathoms to the bottom of the limestone to about 2,000 gallons per minute.)    0  0     178  8 Blue metal    5  2     183  10 Very soft sandstone (stratified) and was drawn by the pumps    4  4     188  2 Very soft white post    1  2     189  4 Grey scamy metal stone, and where the first three wedging cribs were laid    0  9     190  1 Strong brown limestone, like whin    8  8     198  9 Blue grey metal, very soft, with a little water    32  3     231  0 COAL, mixed with black metal, and the last wedging crib laid on the grey metal below it . -.    1  4     232  4 Grey metal stone    4  8     237  0 Blue metal    9  0     246  0 COAL, mixed with black metal    1  9     247  9 Grey metal stone, with partings and water    17  10     265  7 COAL    3  9     269  4     COAL    1  0            Grey metal    0  4            COAL, mixed with black metal    0  7            COAL    1  10        Drift through to the Minor Pit.    0  0     269  4 Grey metal stone or sill    1  4     270  8 Grey metal stone, with partings    24  10     295  6 Strong white post, with water near bottom and spongy    19  8     315  2 COAL - Three-Quarter Seam    2  4     317  6     COAL, wet    2  4            Drift to Minor Pit.    0  0        Sill stone    1  6     319  0 White post    2  3     321  3 Grey metal    8  5     329  8 Strong white post, and water in several places, which is wedged off and piped into the 3/4 Coal Seam    39  3     368  11 Grey metal stone    2  8     371  7 COAL, mixed with black metal    1  6     373  1 Sill stone    0  8     373  9 White post    2  5     376  2 Grey metal    2  2     378  4 Post girdles    1  4     379  8 Grey metal    0  6     380  2 COAL    0  10     381  0 Sill stone    0  3     381  3 Grey metal stone    0  10     382  1 White post, with partings at 8 feet down, and wedged    10  2     392  3 Grey metal stone, inclining to post    2  9     395  0 Soft black and blue metal    11  10     406  10 COAL and a drift through to Minor Pit    0  3     407  1 Sill stone    1  3     408  4 White post    7  9     416  1 Grey and white post, mixed with grey metal    11  2     427  3 Whin    3  7     430  10 White post and partings of blue metal, and water wedged off    2  10     433  8 Strong white post, with a parting at bottom and water    10  6     444  2 Strong white post, spongy, and partings with water    29  11     474  1 Grey and white post and water, wedged off and piped up to the third standing sett cistern    19  3     493  4 Grey metal stone    4  6     497  10 COAL    7  5     505  3     COAL    0  4            Grey metal    1  0            COAL    1  3            Band    0  5            COAL    3  2            Band    0  4            COAL, mixed with black metal    0  11        Thill    1  8     506  11 Grey metal stone, with large balls of ironstone    8  4     515  3 Strong grey metal stone, with girdles    21  9     537  0 Black metal, with scares of coal    0  9     537  9 COAL    3  10     541  7     COAL    1  2            Black grey metal, with scares of coasl    2  8        Grey metal stone, with balls of ironstone    2  6     544  1 Strong grey metal stone, with strong dunnish post girdles    19  10     563  11 Grey metal    6  8     570  7 COAL - Five-Quarter Seam    6  10     577  5     COAL    1  7            Black metal, with scares of coal    0  6            Dark grey metal    4  4            COAL    0  5        Grey metal stone, with post girdles    34  6     611  11 Grey post    4  10     616  9 Blue and grey metal stone    23  9     640  6 Blue and grey metal stone, with strong girdles    11  3     651  9 COAL - Main Coal Seam    6  6     658  3     COAL, top    1  8            Band    0  1            COAL    4  9        Depth of the sump    27  0     685  3

Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume F-K, published by the North of England Institute of Mining & Mechanical Engineers, 1885

  original entry for sinking/boring number 1154 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume F-K, published by the North of England Institute of Mining & Mechanical Engineers, 1885"

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