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 Shafts  Index  Shafts 

Chopwell Colliery

Conclusion Pit

Account of Strata sunk through at Conclusion Pit, Chopwell Colliery. June 20th, 1799

Shaft Details

Sunk: 20 Jun 1799, Closed: 25 Nov 1966

Approximate surface level 824 feet above sea (Ordnance datum)

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
















































































































Geology encountered   Thickness   Depth
  ft. in.   ft. in.
Outlay from the swarth    5  0     5  0
Metal from the swarth    4  0     9  0
Brown post girdles    7  0     16  0
Sandy bed    0  10     16  10
Grey post, mixed with brown    3  0     19  10
Blue cash parting    1  0     20  10
Grey post, mixed with brown swad    2  0     22  10
Blue cash parting    0  7     23  5
Brown broken    6  8     30  1
Cash parting    0  2     30  3
Broken brown post    17  5     47  8
Blue metal stone    0  11     48  7
COAL    1  0     49  7
Blue metal stone    1  10     51  5
Blue metal, mixed with cat-heads    6  3     57  8
White post girdles    0  5     58  1
Blue metal, mixed with cat-heads    2  3     60  4
Blue metal, mixed with cat-heads    4  10     65  2
Blue metal, mixed with cat-heads    6  5     71  7
Black metal, mixed with coal    4  3     75  10
Blue metal stone thill    1  6     77  4
COAL    2  2     79  6
Black metal stone    2  0     81  6
COAL - Sun Coal Seam    1  9     83  3
    COAL    1  2       
    Black band    0  1       
    COAL    0  5       
Thill    0  6     83  9
Grey metal stone    3  0     86  9
Strong grey post    3  0     89  9
Grey metal stone    11  7     101  4
Grey girdles with blue    6  11     108  3
COAL    0  7     108  10
Thill and metal stone    0  4     109  2
White post    0  7     109  9
COAL, clean    0  7     110  4
Thill    4  0     114  4
Black metal stone    2  0     116  4
Grey metal stone    2  1     118  5
White post    1  0     119  5
Cash parting    0  4     119  9
White post    2  7     122  4
Cash parting    0  8     123  0
Grey post    2  2     125  2
Black metal stone    3  0     128  2
Grey post stone    5  3     133  5
Brown post, mixed with water    1  7     135  0
Strong brown post, mixed with whin    6  1     141  1
Cash parting    0  3     141  4
Brown post, with white girdles    7  9     149  1
Blue metal stone    6  0     155  1
Black metal stone    6  7     161  8
COAL    0  4½     162  0½
Thill    5  0     167  0½
Grey metal stone    2  3     169  3½
White post girdle    0  8     169  11½
Strong grey post    3  6     173  5½
Blue metal stone    1  11     175  4½
COAL    0  8     176  0½
Thill    0  5     176  5½
Grey post    1  6     177  11½
Brown post, mixed with white    2  2     180  1½
Blue post, mixed with girdles    11  7     191  8½
COAL - Towneley Seam    2  5     194  1½
    COAL, splint    0  10       
    COAL, clean    1  7       
Thill    4  0     198  1½
Grey post    4  1     202  2½
Whin    3  1     205  3½
Grey metal stone    3  8     208  11½
Stone    1  7     210  6½
Blue metal stone    5  4     215  10½
COAL - Foot Coal Seam    0  8     216  6½
Thill    5  2     221  8½
Grey post    4  7     226  3½
White post    5  5     231  8½
White post    6  7     238  3½
COAL - Tilly Seam    1  0     239  3½
Thill    1  5     240  8½
Blue metal stone, with cat-heads    9  0     249  8½
Whin girdle    0  5     250  1½
Blue metal stone, mixed with girdles    5  1     255  2½
Grey metal stone, mixed with girdles    3  8     258  10½
COAL - Hand Coal Seam    0  3     259  1½
Grey post    10  10     269  11½
Blue metal stone    2  5     272  4½
Brown post    10  4     282  8½
Blue metal stone    2  8     285  4½
COAL - Stone Coal Seam    3  0     288  4½
Thill    2  9     291  1½
Blue metal, with cat    5  0     296  1½
White post, with water (wedge)    9  0     305  1½
Blue metal stone    0  9     305  10½
COAL - Five-Quarter Seam    3  1     308  11½
Strong girdles and blue metal stone    27  7     336  6½
COAL - Three-Quarter Seam    2  6     339  0½

Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume C-E, published by the North of England Institute of Mining & Mechanical Engineers, 1881

  original entry for sinking/boring number 0488 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume C-E, published by the North of England Institute of Mining & Mechanical Engineers, 1881"

  main page for Chopwell Colliery

 


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