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| Stanley, Christopher J., Cooper, Michael P. (1991) Famous Mineral Localities: Pyromorphite-Group Minerals from the Caldbeck Fells, Cumbria, England. The Mineralogical Record, 22 (2) 105-121 Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London. Eastwood, T., Hollingworth, S. E., Rose, W. C. C., Trotter, F. M. (1968) Geology of the Country around Cockermouth and Caldbeck, explanation of One-inch Geological Sheet 23, New Series. Memoirs of the Geological Survey of Great Britain. Institute of Geological Sciences |
| Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London. Roberts, D.E. (1983) Metasomatism and the formation of greisen in Grainsgill, Cumbria, England. Geological Journal, 18, 43-52. Stanley, C.J. (1979) Mineralogical studies of copper, lead, zinc, and cobalt mineralization in the English Lake District. Unpublished Ph.D. thesis, University of Aston, Birmingham. |