| Locality type: | Mine |
| Classification |
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| Species: | Montmorillonite |
| Formula: | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Montmorillonite data |
| Locality Data: | Click here to view Great Retallack Mine, Perran Iron Lode (Great Perran Iron Lode), Perranzabuloe, Cornwall, England, UK |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 7967 |
| Long-form Identifier: | 1:3:7967:9 |
| GUID (UUID V4): | e529d97e-84a8-4062-8572-bbeecde1bf4c |
| Nearest other occurrences of Montmorillonite |
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| 0.5km (0.3 miles) | ⓘTreamble Mine (incl. Garden Quarry), Perran Iron Lode (Great Perran Iron Lode), Perranzabuloe, Cornwall, England, UK |
| 35.4km (22.0 miles) | ⓘDean Quarry, St Keverne, Cornwall, England, UK |
| 46.6km (29.0 miles) | ⓘGeevor Mine, Pendeen, St Just, Cornwall, England, UK |
| 85.5km (53.1 miles) | ⓘMeldon Aplite Quarry, Okehampton Hamlets, West Devon, Devon, England, UK |
| 85.7km (53.3 miles) | ⓘMeldon Quarry, Okehampton Hamlets, West Devon, Devon, England, UK |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (issue) | | Some aspects of Engineering Geology in South West England Chairman's Introduction ... ... ... 356 Engineering...geology in reservoir construction in South West England. By J. L. Knill. ... ... ... 359 The influence...weathering on the layout of quarries in South West England. By W. R. Dearman and P. G. Fookes. ... ... ..... 372 Some examples of cliff failure in S.W. England. By H. M. de Freitas. ... ... ... ... 388 Geological...problems in the china clay industry of South West England. By M. J. Ripley. ... ... 405 The geological |  | | Journal (article/letter/editorial) | | as a partial replacement of Wolfram at East Pool Mine, where it was first noticed by Mr. Cornelius Beringer...Pengelly Croft, Huel Mandlin, and Levant Mine, in Cornwall, ~ and at Huel Friendship, in Devon. Montmorillonite...has recently been foucrd at Great Retallack Mine, in Perranzabuloe, Cornwall. I t is associated with decomposing... Silica . . . . . . . . . . . . . . Peroxide of iron ........ Alumina . . . . . . . . . . . . Water ...occupies the terruginous end. No doubt this Montmorillonite is a secondary product, .and therefore of little |  | | Journal (article/letter/editorial) | | Greg and Lettsom's Manual of the Mineralogy of Great Britain and Ireland (1858). These lists were published...first discovered in the British Isles (14 from Cornwall; 2 from Somerset; 1 from Cheshire; 2 from Scotland;...H. G. M A C P H E R S O N from England (75 of which are from Cornwall); 28 from Ireland; and 10 from...Thus, of the 130 species, 64 are from England (48 from Cornwall); 35 from Scotland; 19 from Ireland; and...regional lists as, for example, for SW England, Pennines and northern England, Wales, Ireland, Scotland, etc |  | | Book | | PO Box 315. Harpenden. Hertfordshire AL5 2ZD. England Telephone: +44 (0)1582 762413 Fax: +44 (0)870 055...the production of e0pper. the mining areas of Cornwall and Devon became important producers of b th tin...Oxford University Museum of Natural History; Royal Cornwall Museum, Truro; Sedgwick Museum, University of...Microsystems for rnicrophotographic advice. tvfBI owes a great debt to one other individual, without whom the entire...Scandium 21 F Fluorine 9 Se Selenium 34 Fe Iron 26 Si Silicon 14 Ga Gallium 31 Sm Samarium |  | | Journal (volume) | | Google The Council of the Royal Institution of Cornwall desire that it should be distinctly understood...Fauna Cornish Ornithology Stray Notes on Cornwall Carclaze Mine and China Clay Pit Botanical Notes — The...Additions to the Museum and Library The Geology of Cornwall Annual Meeting, 18th November, 1880 Additions...John Lander Rural Notes, Parish of Kea Tokens of Cornwall ( Part III) The Lanhadron Inscribed Stone Ancient...the Museum Catalogue of the Provincial Tokens of Great Britain and Ireland in the Museum J. H. JAMES |  | | Report (issue) | | SUMMARY OF PROGRESS OF THE GEOLOGICAL SURVEY OF GREAT BRITAIN AND THE MUSEUM OF PRACTICAL GEOLOGY FOR...THE ONE-INCH AND QUARTER-INCH GEOLOGICAL MAPS of ENGLAND and WALES L ,11'6 I' r f O '- � I 22• � ...Summary of Progress of the Geological Survey of Great Britain and the Museum of Practical Geology for...Geological Survey Board . . .. • • APPENDIX: (A)-ENGLAND AND WALES: • • • • • • • • • • • • • •...REPORTS: 1. South-West England and South Wales District • • • (A) South-West England (B) South Wales • • |
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