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 Shafts  Index  Shafts 

Hartley Colliery

Hester Pit

Account of Strata sunk through at the Hester Pit, Hartley Colliery. Commenced January 1st, 1845. Low Main Seam reached May 29th, 1846

Shaft Details

Sunk: 01 Jan 1845

Approximate surface level 102 feet above sea (Ordnance datum)

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

























































































































Geology encountered   Thickness   Depth
  ft. in.   ft. in.
From top crib to soil    4  0     4  0
Soil    1  0     5  0
Strong clay    21  9     26  9
Sand, with water - Stone Head    5  0     31  9
Grey metal stone    5  3     37  0
COAL, very soft    1  4     38  4
Black stone    0  8     39  0
Thilly grey metal stone    11  8     50  8
Grey post girdles, with water    0  8     51  4
Grey metal stone    5  5     56  9
Post girdle, with water    0  8     57  5
Grey metal stone and thin post girdles    14  7     72  0
COAL, very soft    0  5     72  5
Thill stone    5  3     77  8
Soft grey metal stone    1  2     78  10
Strong post girdle and water    2  8     81  6
Strong grey metal stone    2  5     83  11
COAL, strong    1  1     85  0
Mild grey post    9  3     94  3
Grey metal stone    5  4     99  7
COAL    2  5     102  0
Strong grey metal stone    2  3     104  3
Whin girdle    1  2     105  5
Soft grey metal stone    2  6     107  11
Strong grey metal stone    3  1     111  0
Grey and white post, with much water (60-40 gallon tubs per hour)    6  0     117  0
Whin girdle    2  6     119  6
White post, with water    33  9     153  3
Grey metal    0  10     154  1
Scamy post    3  6     157  7
Grey rey metal    1  3     158  10
COAL    0  8     159  6
Thill    1  4     160  10
Mild scamy post and metal partings    7  9     168  7
Grey metal and whin (from 4 in. to 1 ft. 10 in. thick)    17  2     185  9
Black stone, with mussels in top part    9  0     194  9
COAL    1  6     196  3
Thill    0  8     196  11
Grey metal, with post girdles    13  10     210  9
Whin girdle    0  10     211  7
Strong white post, with water    6  11     218  6
COAL - High Main Seam    4  6     223  0
Soft thill    0  3     223  3
Black stone, mixed with coal    2  3     225  6
Soft grey metal    0  8     226  2
Dark grey metal, mixed with coal    4  2     230  4
Grey metal    5  2     235  6
Grey metal stone and balls of ironstone    7  7     243  1
Black metal, mixed with coal    4  4     247  5
Dark grey metal    1  8     249  1
Post and metal partings, with a little water    43  8     292  9
Strong grey post, with whin girdles and a little water    39  8     332  5
COAL - Grey Seam    3  11     336  4
    COAL, soft    1  1       
    Grey metal band    0         
    COAL, hard    2         
Dark grey metal    2  2     338  6
Grey metal and post girdles    12  10     351  4
Grey metal and balls of ironstone    9  9     361  1
Black stone, mixed with coal    4  8     365  9
Thill, mixed with balls of whin    5  0     370  9
Strong grey metal stone    7  10     378  7
Strong grey metal and post girdles    15  8     394  3
Strong white post, mixed with whin    9  0     403  3
Grey metal, with post girdles    12  0     415  3
COAL - Yard Seam    2  9     418  0
White thill    4  0     422  0
Dark grey metal    4  4     426  4
COAL    1  2     427  6
Soft black stone    0  2     427  8
Grey metal thill    3  0     430  8
Strong grey metal stone and post    12  6     443  2
Dark grey metal    2  1     445  3
Grey metal thill    4  0     449  3
Strong grey metal stone and balls of whin    27  9     477  0
Strong white post, mixed with whin, very wet    61  0     538  0
Blue metal and ironstone girdles    3  2     541  2
COAL, with slaty partings    1  7     542  9
Strong grey metal and post girdles    2  6     545  3
White post    1  6     546  9
Strong grey metal    1  4     548  1
COAL - Bensham Seam    1  11     550  0
    COAL and black stone    1  11       
Grey metal thill    2  4     552  4
Grey metal and post girdles    3  6     555  10
Grey post    1  4     557  2
Grey metal, with ironstone girdles    7  2     564  4
Mussel scalp    0  6     564  10
Strong grey metal    4  4     569  2
Strong white post    1  6     570  8
Strong grey metal, mixed with post    8  6     579  2
Jet or black stone    0  6     579  8
COAL - Low Main Seam    3  4     583  0
Thill    4  0     587  0
Strong grey metal and post girdles    14  0     601  0

Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume F-K, published by the North of England Institute of Mining & Mechanical Engineers, 1885

  original entry for sinking/boring number 1072 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume F-K, published by the North of England Institute of Mining & Mechanical Engineers, 1885"

  main page for Hartley Colliery

 


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