Shafts	Index	Shafts

Geology encountered   Thickness   Depth   ft. in.   ft. in. Strong blue clay, with sandy partings    34  0     34  0 Grey metal, with post girdles    25  9     59  9 COAL, foul    0  3     60  0 Grey metal, with post girdles    25  0     85  0 COAL    1  1     86  1 Grey metal, with post girdles    20  0     106  1 Dark grey metal    9  0     115  1 COAL    1  3     116  4 Grey and dark metal, with scares of coal    14  4     130  8 COAL, with water    2  6     133  2 Dark grey metal    3  8     136  10 Dark grey metal, with whin girdle    53  4     190  2 Grey post, with metal partings    50  10     241  0 Strong white post, with coal pipes    22  5     263  5 Blue metal    5  10     269  3 Strong white post, with coal pipes    12  5     281  8 Dark blue metal    20  7     302  3 Dark grey metal    7  0     309  3 White post, with blue metal partings    30  2     339  5 COAL - Yard Seam    2  7     342  0 Seggar-clay    3  8     345  8 Whin girdle    1  6     347  2 Grey post, mixed with blue partings    5  0     352  2

Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Supplement, published by the North of England Institute of Mining & Mechanical Engineers, 1910

  original entry for sinking/boring number 2933 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Supplement, published by the North of England Institute of Mining & Mechanical Engineers, 1910"

  main page for Seaton Delaval Colliery