Shafts	Index	Shafts

Geology encountered   Thickness   Depth   ft. in.   ft. in. Outset (walling stones)    16  6     16  6 Soil and clay    2  4     18  10 Strong blue clay and hard stones    53  2     72  0 Soft cash stone, with clay    22  0     94  0 Soft freestone, with gullets    10  6     104  6 Soft blue stone    50  8     155  2 Thilly metal stone    4  2     159  4 Fine soft blue stone, with much water    24  10     184  2 COAL    2  8     186  10 Thilly stone    2  2     189  0 Strong blue stone and iron girdles    11  0     200  0 Strong blue stone and iron girdles    23  3     223  3 Strong grey stone    1  6     224  9 White post stone    1  2     225  11 Blue stone, with post    2  5     228  4 White post stone    0  10     229  2 Blue stone, with water    3  8     232  10 Strong white post stone, with water    38  0     270  10 Soft black stone, or bastard coal    7  8     278  6 Whin stone    0  6     279  0 Soft white slaty stone    0  2     279  2 Strong blue stone    17  2     296  4 COAL    0  8     297  0 Thill stone    1  2     298  2 Strong grey metal stone    16  0     314  2 Strong blue stone and post    34  7     348  9 Blue stone, with post    17  9     366  6 COAL    2  4     368  10     COAL    1  2     368  10     Band    0  4     368  10     COAL    0  10     368  10 Thill stone    9  5     378  3 COAL - Three-Quarter Seam    2  10     381  1     COAL, coarse    0  6     381  1     COAL    1  0     381  1     COAL    0  2     381  1     Band    0  6     381  1     COAL, coarse    0  8     381  1 Thill stone    3  6     384  7 Strong grey stone, with girdles    13  0     397  7 White post stone    18  6     416  1 Post stone    16  8     432  9 COAL    1  6     434  3 Thill stone    2  9     437  0 Strong grey metal stone    15  2     452  2 Blue stone, with girdles    14  10     467  0 Post, scared with blue    3  0     470  0 COAL - 5/4 Seam    3  4     473  4 In the years 1813 and 1814 two boreholes were put down out of the Elizabeth Pit, Maudlin Seam, in search of the Hutton Seam, one to the depth of 14 fms. 3 ft. 10 in., and the other 27 fms. 2 ft. 10 in., both without success.    0  0     473  4

Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume L-R, published by the North of England Institute of Mining & Mechanical Engineers, 1887

  original entry for sinking/boring number 1425 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume L-R, published by the North of England Institute of Mining & Mechanical Engineers, 1887"

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