Shafts	Index	Shafts

Geology encountered   Thickness   Depth   ft. in.   ft. in. Setting, being soil and clay    9  0     9  0 Freestone banks    17  0     26  0 White freestone    17  0     43  0 Grey freestone    28  6     71  6 COAL - Black Hill or Scremerston Main Coal Seam (in a bad state)    5  9     77  3     COAL, rough    1  5            Bastard lime stone    0  8            COAL    0  6            Blue tills    2  0            COAL    1  2        Freestone    2  4     79  7 COAL, coarse    1  4     80  11 Freestone bands    9  0     89  11 COAL, slaty    0  5     90  4 Black tills    1  4     91  8 Limestone    1  0     92  8 Blue tills    9  0     101  8 Very hard freestone    3  5     105  1 Strong tills    2  6     107  7 Freestone    2  0     109  7 Tills    3  0     112  7 Metal (soft and whitish, like marl)    3  6     116  1 Tills, mixed with tender freestone bands    2  0     118  1 COAL - Bulman or Main Coal Seam    4  5     122  6     COAL, top, generally left for a roof    1  0            Black stone, strong    0  1            Metal, bluish    1  4            COAL, splint (better than last)    0  4            Shalk stone    1  0            COAL, smithy    0  1            Soft metal thill    0  7

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 0953 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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