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| Bridges T F and Young B Y. Supergene minerals of the Northern Pennine Orefield-A Review. In Journal of the Russell Soc. Vol 7(1) 1998 |
| R. A. Ixer, C. J. Stanley and D. J. Vaughan (1979) Cobalt-, Nickel-, and Iron-Bearing Sulpharsenides from the North of England. Mineralogical Magazine 43:389-395. Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford, London. Rocks & Minerals 82:402-407 |
| Green, David I., McCallum, David, Wood, Mike (2000) Famous Mineral Localities: The Brownley Hill Mine, Alston Moor District, Cumbria, England. The Mineralogical Record, 31 (3) 231-250 |
| Bridges, T.F., Young, B.Y. (1998) Supergene minerals of the Northern Pennine Orefield-A Review. In Journal of the Russell Society Vol 7(1) 1998. |
Tynebottom Mine, Garrigill, Alston Moor, Eden, Cumbria, England, UK