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Scottish mines

Oil shale pits

Coal shale pits


A Recognised Collection of National Importance

Home > Companies & Works > Shale Mines > Duddingston No. 3 mine & quarry

Duddingston No.3 mine & quarry

Location 55.979336, -3.451937, show in map
Shale-field Duddingston shale-field
Dates opened and closed Opened 1906, abandoned 1956
Owner Oakbank Oil Company Ltd
Type of working Inclined adit
Seams worked Pumpherston Shales (Jubilee, Curly, Plain, Wee)
Oil works served Niddry Castle Crude Oil Works
Current status of site Mine site restored and returned to agriculture


A productive mine exploiting the Pumpherston Shales from beneath a substantial area of the Hopetoun Estate. Shale was transported to Niddry Castle Crude Oil Works by electric tramway.

Oil shale was also produced from a quarry lying north west of No.3 mine. Production records show 9,285 tons produced in 1920 (incomplete year), 16240 in 1921, 17,336 in 1922, 15,813 in 1923, 13151 in 1924, and 6,772 tons in 1925.


Ordnance Survey maps reproduced by kind permission of the Trustees of the National Library of Scotland.

Underground Workings



The water has been very heavy, for a time the pump had to be withdrawn, but it has now been replaced (January 1925). A section of the mine has been closed on account of poor shale, but a new section is being opened up to take its place (April 1925). From Scottish Oils Ltd, Managing Director's Monthly Report to the Board. (BP Archive No. 215662)

Accident Records


Additional Resources

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