Shafts	Index	Shafts

Geology encountered   Thickness   Depth   m.   m. Soil    0.76     0.76 Gravel and sand    8.84     9.60 Strong blue clay    13.41     23.01 Grey post    4.88     27.89 Strong white post    3.76     31.65 COAL    0.10     31.75 Seggar clay    1.07     32.82 Grey shale, with strong post girdles    2.49     35.30 Blue shale, with ironstone bands    5.79     41.10 Blue shale    3.35     44.45 Seggar clay    0.61     45.06 Strong white post, with water    6.50     51.56 Strong grey post, with water    4.57     56.13 Strong grey post, with water    2.82     58.95 Grey shale, with dark post girdles    2.26     61.21 Black stone    0.08     61.29 COAL    0.66     61.95     COAL    0.53          COAL, full of thin stone bands    0.13      Seggar clay    0.23     62.18 Grey shale    0.58     62.76 Blue shale, with post girdles    2.03     64.79 COAL and black stone    0.05     64.84 Grey shale    0.76     65.61 Brown whin, with white spar    0.30     65.91 Strong shale, with brown whin    2.24     68.15 COAL    0.15     68.30 Seggar clay    0.91     69.21 Grey shale, with white post girdles    2.74     71.96 Blue shale post    0.76     72.72 COAL, with thin stone bands    0.61     73.33 Seggar clay    0.51     73.83 Strong grey post, with ironstone balls    3.33     77.16 COAL    0.08     77.24 Dark shale    3.25     80.49 Grey post    1.12     81.61 Strong shale    0.99     82.60 Grey shale, with white whin    0.99     83.59 Blue shale    0.61     84.20 Grey shale    0.89     85.09 COAL - Top Busty Seam    0.56     85.65 Seggar clay    0.56     86.20 White post    5.08     91.28 COAL - Bottom Busty Seam    0.94     92.22 Bored below the Busty Seam to the Brockwell    31.09     123.31

Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume S-T, published by the North of England Institute of Mining & Mechanical Engineers, 1894

  original entry for sinking/boring number 0161 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume S-T, published by the North of England Institute of Mining & Mechanical Engineers, 1894"

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