Shafts	Index	Shafts

Geology encountered   Thickness   Depth   m.   m. Soil    0.20     0.20 Yellow clay    0.91     1.12 Dark brown clay    12.50     13.61 Sand, with a little water    0.18     13.79 Strong stony clay    10.44     24.23 Strong brown freestone    6.25     30.48 Strong brown freestone    1.12     31.60 Soft brown metal    2.13     33.73 COAL, mixed with stone    0.10     33.83 Grey metal thill, with ironstone balls    1.12     34.95 Brown metal    2.13     37.08 Brown post girdle    0.30     37.39 Brown metal    1.60     38.99 COAL    0.05     39.04 Grey metal thill    0.46     39.50 Grey post, with water    0.71     40.21 Blue metal    1.14     41.35 COAL    0.03     41.37 Grey metal thill, with ironstone balls    1.60     42.98 Strong grey post    1.32     44.30 Blue metal post girdle    0.71     45.01 Post girdles    0.61     45.62 Grey post    1.17     46.78 Strong post girdle    0.76     47.55 Grey metal, with post girdles    1.52     49.07 Dark blue metal    5.49     54.56 COAL, mixed with stone    0.10     54.66 Grey metal, with balls of ironstone    0.79     55.45 Strong grey metal    0.25     55.70 Strong brown post, mixed with whin and water    9.14     64.84 Soft dark grey metal    2.95     67.79 COAL, mixed with stone    0.36     68.15 Grey metal thill    0.51     68.65 White post girdle    0.46     69.11 Brown metal    1.83     70.94 COAL, mixed with stone    0.18     71.12 Grey metal thill, mixed with coal    0.94     72.06 Black stone    0.10     72.16 COAL    0.25     72.41 Grey metal thill    0.79     73.20 White post    1.30     74.50 Grey metal    0.30     74.80 Post girdles    0.36     75.16 Blue metal    1.75     76.91 Black stone, mixed with coal    0.66     77.57 Grey metal thill    0.33     77.90 Strong post girdle    0.86     78.76 Blue metal parting    0.13     78.89 Post girdle    0.36     79.24 Blue metal    0.23     79.47 Black stone, with coal pipes    0.36     79.83 Grey metal thill, with ironstone balls    0.91     80.74 Black stone, with coal pipes    0.08     80.82 Grey metal thill, with ironstone balls    0.43     81.25 COAL    0.15     81.40 Dark grey metal, with ironstone balls    1.04     82.45 Strong grey metal    1.22     83.66 Post girdle    0.08     83.74 Blue metal    1.27     85.01 Black stone    0.15     85.16 White post girdle    0.20     85.37 Blue metal    6.43     91.79 White post, with water (metal partings)    1.70     93.49 Grey post    0.38     93.87 White post girdle    0.36     94.23 Grey metal    5.64     99.87 COAL    0.13     100.00 Black stone    0.10     100.10 Thill grey metal    1.30     101.39 Grey metal, with ironstone balls    3.58     104.97 Blue metal    0.79     105.76 Black stone    0.56     106.32 Grey post, with a little water    1.40     107.72 Post girdle    0.66     108.38 Strong grey metal    8.13     116.51 Black metal    0.81     117.32 COAL, mixed with metal    0.25     117.57 Grey metal thill, with balls of ironstone    0.69     118.26 Blue metal, with balls of ironstone    1.78     120.04 Strong brown post    1.22     121.25 Grey metal thill    1.88     123.13 Green metal    4.27     127.40 Grey post    1.40     128.80 Blue metal    0.61     129.41 White post girdle    0.51     129.92 Dark grey metal    1.52     131.44 Grey metal post girdles    2.90     134.34 Strong grey metal    3.05     137.38 Black stone    0.10     137.48 Strong grey metal    3.56     141.04 Light grey metal thill    0.61     141.65 Grey metal    6.40     148.05 Soft hitch stone, mixed with post    7.31     155.37 COAL    0.38     155.75 Soft hitch stone    6.10     161.84 COAL    0.13     161.97 Soft hitch stone    5.36     167.33 Post girdles, mixed with whin    0.91     168.24 COAL    0.13     168.37 Soft blue hitch stone    8.10     176.47 COAL    0.84     177.31     COAL    0.41          Grey metal band    0.08          COAL    0.36      Soft hitch stone    16.03     193.34 Grey post    10.36     203.70 White post, with coal pipes    17.37     221.07 Dark metal    3.96     225.04 COAL    0.20     225.24 Black stone and coal    0.08     225.31 Blue metal    2.44     227.75 White post, with salt water    2.74     230.50 Blue metal and thill stone    3.66     234.15 White post    12.80     246.95 Soft hitchy stone    12.50     259.45 White post, with a leader up at trouble    7.92     267.38 Grey metal    3.61     270.98 COAL    0.30     271.29 Thill stone    0.71     272.00 COAL    0.69     272.68 Thill stone    0.46     273.14 White post    13.72     286.86 Grey metal    1.83     288.69 White post    2.74     291.43 Grey metal    1.22     292.65 Dark slaty metal    0.61     293.26 COAL, black slaty    0.20     293.46 Thill stone    0.25     293.71 White post    2.79     296.51 Grey metal    1.17     297.68 White post, mixed with whin & a little water    16.46     314.13 Dark blue metal    1.47     315.61 COAL    0.61     316.22 Thill stone    2.18     318.40 Strong blue metal    3.86     322.26 Strong white post    1.98     324.24 Grey metal    2.01     326.22 Black slaty stone    0.38     326.63 Thill stone    0.46     327.09 Strong blue metal    2.29     329.37 Strong white post    6.71     336.08 Grey metal    2.26     338.31 Black slaty stone    1.83     340.14 COAL - Main Coal Seam    0.91     341.06     COAL (supposed main coal)    0.46          Band    0.05          COAL, very coarse splinty, mixed with bands    0.41      Dark coaly stone, with coal pipes    0.23     341.31 Seggar or thill stone    0.61     341.92 Strong grey metal    7.01     348.93 Grey metal, with post girdles    6.04     354.98 Strong white lost and a little water    17.86     372.81 COAL - Brass Thill Seam    0.79     373.62 Strong seggar    0.76     374.38 Strong grey metal, with post girdles    2.90     377.28 Black metal stone    3.05     380.32 COAL    0.10     380.43 Strong dark metal stone    3.96     384.39 Grey post    1.37     385.76 Strong grey metal    1.07     386.83 Strong white post    3.12     389.93 Strong grey metal    4.42     394.34 COAL    0.23     394.60 Thill stone, mixed with coal pipes    0.91     395.51 COAL    0.20     395.72     COAL    0.08          Band    0.05          COAL    0.10      Strong grey post, with whin girdles    2.29     398.00 Dark blue metal, with ironstone girdles    5.18     403.18 COAL - Yard Seam    0.91     404.10     COAL    0.41          Band    0.10          COAL    0.41      Thill stone    0.91     405.01 White post    1.83     406.84 Dark blue metal, ironstone girdles    2.13     408.97 Grey metal    2.44     411.41 Grey post    3.66     415.07 Grey metal, with ironstone girdles    5.49     420.56 COAL - Bensham Seam    1.68     422.23     COAL, top    0.94          Splint    0.05          COAL, coarse    0.05          COAL, bottom    0.63      Grey post    2.13     424.37 Grey metal, with ironstone balls    6.10     430.46 Splint    0.13     430.56 COAL, good    0.30     430.87 Strong grey post    1.83     432.70 Grey metal    1.83     434.53 Black stone    0.53     435.08 COAL    0.18     435.24 Grey post    1.98     437.22 White post and whin girdles    2.06     439.30 Blue metal    0.18     439.45 White post    0.58     440.06 Blue metal    0.15     440.22 White post    0.84     441.05 Blue metal and whin girdles    1.14     442.20 COAL - Five-Quarter Seam    0.81     443.01     COAL    0.51          Splint    0.30      Dark grey post, with whin girdles    5.94     448.95 Strong white post    8.05     456.98 Strong grey metal, with post girdles    3.66     460.64 Grey metal    1.22     461.86 Grey post    0.61     462.47 Blue metal    0.94     463.43 COAL - Tyne Low Main, Hutton Seam on Wear    1.40     464.80     COAL, good    1.22          COAL, bottom    0.18      Seggar with ironstone balls    0.46     465.26 Strong grey metal, with ironstone balls    6.71     471.96 Strong grey metal, with post girdles    4.50     476.49 White post, with metal partings    1.70     478.16

Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume A-B, published by the North of England Institute of Mining & Mechanical Engineers, 1878

  original entry for sinking/boring number 0253 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume A-B, published by the North of England Institute of Mining & Mechanical Engineers, 1878"

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