Shafts	Index	Shafts

Geology encountered   Thickness   Depth   m.   m. Strong brown clay    9.30     9.30 Grey leafy post    1.83     11.12 Soft bluish-grey shale    1.52     12.65 Strong white post    0.76     13.41 Soft bluish-grey shale    0.15     13.56 White post    5.11     18.67 Blue metal    1.37     20.04 COAL    0.46     20.50 Seggar-clay    1.07     21.56 COAL    0.05     21.61 Seggar-clay    0.69     22.30 Grey metal, with post girdles    1.68     23.98 Post girdles    1.22     25.20 Strong post girdles, with grey metal partings    2.13     27.33 Strong white post, with whin boulders    1.98     29.31 White post    2.29     31.60 Brown whin    0.61     32.21 Grey metal, with post girdles    2.29     34.49 Black stone    1.24     35.74 COAL    0.30     36.04 Seggar-clay very good    1.98     38.02 Seggar-clay, with ironstone nodules    1.04     39.06 Grey metal    1.22     40.28 White post, with whin boulders    0.91     41.20 Grey metal    1.98     43.18 Strong white post    2.13     45.31 Black stone    0.20     45.52 Grey metal, with post girdles    2.44     47.95 Dark grey metal    2.69     50.65 COAL    0.38     51.03 Grey thill    0.15     51.18 Strong white post    1.22     52.40 Grey post    0.61     53.01 Grey metal, with post girdles    2.13     55.14 Bluish-grey metal, with ironstone girdles    2.90     58.04 Dark bluish-grey metal    2.29     60.32 COAL    0.33     60.65 Dark grey thill stone    1.27     61.92 Grey post    0.33     62.25 Dark bluish-grey metal, with ironstone nodules    2.51     64.77 COAL - High Main Seam    1.57     66.34     COAL    0.08          Hard stone band    0.05          COAL    1.45      Seggar-clay    1.22     67.56 Strong grey post    3.05     70.61 Grey post, with metal partings    2.29     72.90 Grey leafy post    2.26     75.16 Grey post, with white post girdles    3.38     78.53 Dark grey post    0.76     79.30 White post, with whin    0.94     80.24 Strong grey post    3.66     83.89 Strong white post, with whin    6.71     90.60 Black stone    0.20     90.80 Blue metal    3.00     93.80 COAL - Grey Seam    1.47     95.27     COAL    0.56          Band    0.10          COAL    0.81      Strong grey thill    1.04     96.31 Black stone    0.15     96.47 Strong grey post    1.22     97.68 Grey post, with white post girdles    3.71     101.39 Strong white post    0.84     102.23 Grey post    1.68     103.91 Leafy post, with white post girdles    1.55     105.46 COAL    0.30     105.76 Black stone    0.08     105.84 Blue metal, with ironstone girdles    0.84     106.68 COAL    0.05     106.73 Blue metal, with ironstone girdles    1.17     107.89 COAL    0.08     107.97 Seggar-clay    0.51     108.48 Grey post    1.02     109.50 COAL    0.10     109.60 Seggar-clay    0.10     109.70 Grey post, with post girdles    1.22     110.92 Strong white post    0.51     111.43 Whin    0.61     112.03 White post, with blue metal girdles    1.27     113.30 Grey metal, with ironstone girdles    1.37     114.68 White post, with metal girdles    1.75     116.43 COAL - Yard Seam    0.89     117.32 Seggar-clay    0.91     118.23 Strong grey stone    1.70     119.93 Grey metal, with ironstone balls and post threads    11.58     131.52 Grey post    0.61     132.13 Strong white post, with whin and metal partings    5.87     137.99 Strong white post, with whin    8.46     146.45 Strong white post, mixed with whin and coal pipes    5.79     152.24 Strong grey post, with brassy and grey threads    15.54     167.79 COAL    0.13     167.91 Dark seggar-clay    0.71     168.62 Grey metal    0.63     169.26 Strong white post girdles    0.15     169.41 Grey metal    0.20     169.61 Strong white post, mixed with whin and metal partings    0.86     170.48 Grey metal    0.33     170.81 Strong white post girdles    0.18     170.99 Blue metal, with ironstone girdles    0.66     171.65 Grey metal, grey post, and brown whin, mixed    3.78     175.43 Grey metal, with ironstone girdles    3.15     178.58 Shell bed and black stone    0.58     179.16 Grey metal, with post and ironstone girdles    0.97     180.13 COAL - Low Main Seam    1.22     181.35     COAL    0.15          Black stone    0.05          Dark grey metal band    0.13          COAL    0.91      Dark blue metal    0.46     181.81 COAL    0.05     181.86 Grey post, with white post girdles    1.63     183.48 Seggar-clay    0.76     184.24 COAL    0.05     184.30 Leafy post    2.90     187.19 COAL    0.28     187.47 Seggar-clay    0.76     188.23 Grey metal    0.46     188.69 Post panels    0.15     188.84 Grey metal, with iron girdles    1.37     190.21 Black stone, with iron panels    4.04     194.25 COAL    0.03     194.28 Grey metal    4.11     198.39 Black stone    0.91     199.31 COAL    0.28     199.59 Blue metal    2.13     201.72 Black stone    0.30     202.02 Grey metal, with iron panels    3.48     205.50 Grey post    0.38     205.88 COAL    0.05     205.94 White post    1.96     207.89 Blue metal    0.76     208.65 COAL    0.38     209.03 Seggar-clay    0.28     209.31 White post, with partings    14.63     223.94 Black stone    3.05     226.99 Seggar-clay    1.37     228.36 Post panels    0.51     228.87 COAL    0.13     229.00 Seggar-clay    0.61     229.61 White post    6.71     236.31 COAL    0.03     236.34 Seggar-clay    0.20     236.54 Leafy post    1.83     238.37 Blue metal    2.74     241.11 Grey metal, with post panels    0.91     242.03 Strong post panel    0.15     242.18 Blue metal    0.91     243.09 COAL - Beaumont Seam    1.37     244.47     COAL    0.99          Band    0.08          COAL    0.30      Strong seggar-clay    0.38     244.85 White post, with partings    9.14     253.99 COAL    0.25     254.24 Seggar-clay    0.13     254.37 Strong white post    5.49     259.86 Whin    0.91     260.77 White post, with partings    1.55     262.32 COAL    0.43     262.75

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 2646 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"

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