Shafts	Index	Shafts

Geology encountered   Thickness   Depth   ft. in.   ft. in. Clay    102  0     102  0 Ironstone    3  0     105  0 Plate    4  0     109  0 Ironstone    3  0     112  0 Plate    5  0     117  0 Fire-stone    69  0     186  0 Plate    29  0     215  0 Little Limestone    6  0     221  0 White hazle    14  6     235  6 High Coal Sill    31  0     266  6 Low Coal Sill    27  6     294  0 Plate    6  0     300  0 Great Limestone    66  0     366  0 Tuft    7  0     373  0 Plate    15  0     388  0 Three Post Limestone    4  0     392  0 Quarry Hazle    10  0     402  0 Plate    40  0     442  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 2847 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 Skears (Lead Ore)