Shafts	Index	Shafts

Geology encountered   Thickness   Depth   m.   m. Outset    1.22     1.22 Soil and yellow clay    1.37     2.59 Sand, mixed with clay    0.15     2.74 Sandy clay    0.15     2.90 Stony clay, with small sandy partings    1.45     4.34 Sand    0.08     4.42 Leafy clay    1.37     5.79 Sand, with water    2.74     8.53 Gravel, with a mixture of clay    1.52     10.06 Stony clay, with gravel    2.74     12.80 Sand, with a siping of water    3.20     16.00 Stony clay    0.15     16.15 Sand, with water    0.84     16.99 Gravelly clay    4.65     21.64 Stony clay    3.73     25.37 Hard black sand    0.30     25.68 Leafy clay, with small layers of sand    1.52     27.20 Brown post tumbler    0.25     27.46 Sand, with some water    0.36     27.81 Brown and grey ramble    2.13     29.95 Stone head    0.00     29.95 Brown post    10.97     40.92 Rotten blue stone    3.66     44.58 COAL - Bensham Seam    1.12     45.69 Thill    0.61     46.30 Strong white post, with rife partings    1.22     47.52 Grey metal    0.66     48.18 Whin girdle    0.15     48.33 Blue stone    0.30     48.64 Grey post girdles    0.91     49.55 Grey metal    0.74     50.29 Strong white post girdles    0.61     50.90 Grey post girdles    0.61     51.51 Grey metal    0.91     52.42 Whin girdle    0.13     52.55 Grey and blue metal    0.48     53.03 COAL - Five-Quarter seam    0.91     53.95     COAL    0.51          Band    0.05          COAL    0.23          Band    0.00          COAL    0.13      Thill    0.61     54.56 Grey metal    0.91     55.47 Grey post girdles    0.30     55.78 Grey metal    0.53     56.31 Whin girdle    0.25     56.56 Grey metal, with catheads    8.08     64.64 Black stone    1.04     65.68 Grey metal girdle    0.13     65.81 COAL - Low Main Seam    1.09     66.90     COAL, foul    0.33          Black stone    0.23          Grey stone    0.23          COAL    0.03          Grey stone    0.23          COAL    0.05      Thill and grey metal    3.56     70.46 Post girdle    0.71     71.17 Grey metal parting    0.05     71.22 Strong white post    2.44     73.66 Parting    0.03     73.68 Post girdle    0.23     73.91 Parting    0.03     73.94 Post girdle    0.41     74.34 Brass parting    0.00     74.37 Strong white post    1.57     75.94 Black stone, with coal    0.15     76.10 Grey metal, whin, and post girdles    1.60     77.70 Post girdle    0.20     77.90 Grey metal, whin, and post girdles    0.99     78.89 Strong post girdle    0.18     79.07 Strong grey metal    0.38     79.45 Whin girdle    0.13     79.58 Grey metal, with catheads    1.04     80.62

Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume C-E, published by the North of England Institute of Mining & Mechanical Engineers, 1881

  original entry for sinking/boring number 0787 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume C-E, published by the North of England Institute of Mining & Mechanical Engineers, 1881"

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