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 Shafts  Index  Shafts 

Tanfield Lea Colliery

Old Engine Pit

Account of Strata sunk through in the Old Engine Pit, Tanfield Lea Colliery, 1831

Shaft Details

Sunk: 1831, Closed: 25 Aug 1962

Approximate surface level 520 feet above sea (Ordnance datum)

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































































Geology encountered   Thickness   Depth
  ft. in.   ft. in.
Yellow clay    42  0     42  0
Blue clay, with tumbling stones    22  10     64  10
Yellow freestone    12  0     76  10
COAL - Five-Quarter Seam    6  6     83  4
Blue metal    18  10     102  2
COAL - Brass Thill Seam    4  10     107  0
Blue metal, with post girdles    42  3     149  3
White post    12  0     161  3
Blue metal    13  6     174  9
Strong white post    14  4     189  1
White post, with metal partings    8  2     197  3
Very strong white post    6  6     203  9
White post, with partings    7  0     210  9
Strong white post    8  0     218  9
White post, with partings    7  0     225  9
White post, with scares of coal    15  0     240  9
Blue metal, with water    1  6     242  3
Very strong grey post    5  6     247  9
Grey post, with coal partings, and water    9  6     257  3
Grey post, with metal partings: 1,000 gallons of water per hour    5  10     263  1
Grey metal    0  8     263  9
Grey post    10  8     274  5
Grey post, with coal partings    5  6     279  11
Blue metal    4  1     284  0
Grey post    1  0     285  0
Blue metal    3  0     288  0
Grey post    1  7     289  7
Blue metal    2  1     291  8
Grey post    1  9     293  5
Blue metal    4  0     297  5
COAL - Hutton Seam    9  8     307  1
    COAL    7  4       
    Band    0  2       
    COAL    2  2       
Thill stone    2  3     309  4
Blue metal    3  0     312  4
White post    1  10     314  2
Blue metal    1  9     315  11
Grey post    0  8     316  7
Blue metal    1  0     317  7
White post    4  0     321  7
Blue metal, with post girdles    7  6     329  1
COAL - Main Coal Seam    3  8     332  9

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 2995 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 Tanfield Lea Colliery

 


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