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UK | |
| BMS Newsletter 79, March 2010 (http://britishmicromountsociety.homestead.com/Gannell-Smelter.html) |
| 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. |
| Keim, M. F., & Markl, G. (2017). Formation of galena pseudomorphs after pyromorphite. Neues Jahrbuch für Mineralogie-Abhandlungen: Journal of Mineralogy and Geochemistry, 194(3), 209-226. |
| Collins, J. H. (1871) A Handbook to the Mineralogy of Cornwall and Devon. Heard and Sons, Truro. 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. Hogg, Thomas (1825) A Manual of Mineralogy - In which is shown how much Cornwall contributes to the illustration of the science. W. Polybank High Cross, Truro. Phillips, William (1823) An Elementary Introduction to Mineralogy (3rd ed.) |
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- Perran Iron Lode (Great Perran Iron Lode)
| Steve Rust specimen |
| Rob Bowell, pers. comm. (Cardiff University analysis) |
| Rollinson, G.K., Boutillier, N. Le, Selly, R. (2017) Cobalt mineralization in Cornwall – A new discovery at Porthtowan. Geoscience in South-West England, 14 (2) Ussher Society. |
Gravel Hill Mine, Perran Iron Lode, Perranzabuloe, Cornwall, England, UK