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 Shafts  Index  Shafts 

Longhirst Colliery

No. 1 Shaft

Strata sunk through at Longhirst Colliery, No. 1 Pit

Shaft Details

Closed: 1934

Approximate surface level 120 feet above sea (Ordnance datum)

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

























































Geology encountered   Thickness   Depth
  ft. in.   ft. in.
Sand and gravel    7  0     7  0
Clay    24  0     31  0
Sand    5  0     36  0
Clay    12  0     48  0
Sand    1  6     49  6
Clay, very strong and stony    30  0     79  6
Blue metal    7  0     86  6
Grey post    0  6     87  0
Blue metal, with iron girdles    25  11     112  11
COAL, mixed with stone (got water here)    1  1     114  0
Very strong grey post    14  0     128  0
Very strong grey post    0  8     128  8
Grey whin    4  4     133  0
Blue metal, with iron girdles    6  0     139  0
COAL, coarse    0  4     139  4
Fire clay    2  6     141  10
Grey metal    3  6     145  4
Grey post    2  3     147  7
Very strong blue metal, with post girdles    3  6     151  1
Very strong white and irregular whin    1  0     152  1
Dark metal, with iron girdles (mussel bed)    13  10     165  11
COAL, very coarse and strong    1  4     167  3
Fire clay, mixed with iron balls    3  0     170  3
Very strong grey post    1  3     171  6
Blue metal, with post girdles    12  3     183  9
COAL    2  8     186  5
    COAL, good    2  6       
    COAL, coarse    0  2       
Fire clay, mixed with blue metal    0  8     187  1
Post, with blue metal partings    4  4     191  5
Post, very strong and white    1  5     192  10
Blue metal, with post girdles    3  3     196  1
COAL    0  7     196  8
Fire clay    2  9     199  5
Blue metal    10  0     209  5
COAL    0  7     210  0
Grey metal    3  4     213  4
Blue metal, with iron girdles    8  8     222  0
Blue whin    1  1     223  1
Blue metal, with iron girdles    14  8     237  9
Whin    0  9     238  6
Blue metal    34  4     272  10
COAL    7  5     280  3
Fire clay, with coal and black slate    1  8     281  11
COAL, very coarse    2  0     283  11
Black slate, with coal    2  1     286  0
Fire clay    2  0     288  0
Black metal, with post girdles    5  3     293  3

Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume L-R, published by the North of England Institute of Mining & Mechanical Engineers, 1887

  original entry for sinking/boring number 1304 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume L-R, published by the North of England Institute of Mining & Mechanical Engineers, 1887"

  main page for Longhirst Colliery

 


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