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 Shafts  Index  Shafts 

Delves Colliery

Account of Strata sunk through in the Delves Pit

Shaft Details

Closed: Sep 1913

Approximate surface level 870 feet above sea (Ordnance datum)

Switch to measurements in:  fathoms, feet & inches, or metres



























































Geology encountered   Thickness   Depth
  ft. in.   ft. in.
Walling    40  2     40  2
Post    1  3     41  5
Plate    0  10     42  3
Post    8  8     50  11
Plate    0  5     51  4
Post    15  8     67  0
Plate    0  10     67  10
Post    5  3     73  1
Blue metal and post    2  9     75  10
Post    5  5     81  3
Blue metal and post    1  5     82  8
Post    1  6     84  2
Walling    4  4     88  6
Plate    1  9     90  3
Blue metal    3  0     93  3
Soft blue metal    0  7     93  10
Hard blue metal    0  11     94  9
Post    8  1     102  10
Plate    1  1     103  11
Post    8  1     112  0
Soft blue metal    3  2     115  2
COAL- Busty Seam    4  0     119  2
    COAL    1  9       
    Band    0  3       
    COAL    2  0       
Seggar-clay    4  9     123  11
Blue metal    2  9     126  8
Post    19  5     146  1
Blue metal and post    1  6     147  7
Post    3  9     151  4
Black stone    0  9     152  1
Post    18  4     170  5
COAL - Three-Quarter Seam    1  3     171  8
Black stone    0  10     172  6
COAL    0  2     172  8
Good clay    2  0     174  8
Hard clay, with iron balls    1  8     176  4
Blue stone    0  10     177  2
Post    10  10     188  0
Blue stone    2  4     190  4
Post    12  3     202  7
Blue metal, mixed with post    1  11     204  6
Black stone    1  0     205  6
COAL    1  1     206  7
Black stone    0  6     207  1
Post    5  3     212  4
Blue metal    2  6     214  10
Blue metal, mixed with post    1  0     215  10
Blue stone    4  0     219  10
COAL - Brockwell Seam    2  0     221  10

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 2634 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 Delves Colliery

 


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