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All Photographs of Middleton (Midlothian) Limestone Mine

1 Photos of Middleton (Midlothian) Limestone Mine

There are 5 additional photos of Middleton (Midlothian) Limestone Mine available to registered members.

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Middleton Quarry and Mine, 1945: BGS Photo P000178. Reproduced with the permission of the British Geological Survey ©NERC. All rights Reserved. Caption: Middleton Quarry and Mine, Gorebridge. Midlothian. Interior view of the mine illustrating the stoop and room (pillar-and-stall) method of extraction. A figure illustrates the scale. Mining the North Greens (No. 2) Limestone. The thickness of the seam is 50 ft. though only the lower 20 ft. is in massive beds and suitable for mining. Chemical analysis shows it is 94.09% calcium carbonate and is of uniform high quality. The limestone was burnt in vertical, continuous mixed-feed kilns to produce lime for both agriculture and building purposes. Ground limestone was also produced. The rocks are of the Lower Limestone Group of the Carboniferous period. The quarry is now disused. Date taken: 01/01/1945 Photographer: Fisher, W.D. (Middleton-Limestone-Mine-Limestone-Mine-Archive-Album-Image-45057)
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