Shafts	Index	Shafts

Geology encountered   Thickness   Depth   ft. in.   ft. in. Soil    1  9     1  9 Yellow clay    1  6     3  3 Brown stony clay    4  0     7  3 Marl    5  3     12  6 Yellow limestone    1  6     14  0 Marl, with limestone girdles    9  9     23  9 White limestone, with thin partings    3  3     27  0 Limestone, with marl partings    23  0     50  0 Limestone, with hard girdles    8  6     58  6 Limestone, with marl partings    24  0     82  6 Hard limestone    1  6     84  0 Hard brown limestone, with white spar    7  6     91  6 Hard brown limestone    3  0     94  6 Yellow limestone, with hard girdles    4  0     98  6 Hard brown limestone, with thin partings    3  6     102  0 Yellow limestone, with thin partings    20  6     122  6 Hard brown limestone    6  6     129  0

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 2922 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"

  main page for Raisby Hill Quarry (Limestone)