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| mineralisation in the vicinity of Belstone Consols Mine, Okehampton, Devon K E Beer, G S Kimbell and M J Bennett ...mineralisation in the vicinity of Belstone Consols Mine, Okehampton, Devon KE Beer, BSc, FIMM G S Kimbell, BSc, and...alisation in the vicinity of Belstone Consols Mine, Okehampton, Devon. Mineral Reconnaissance Programme Report...378173 BGSKEY G Fax T 060 77-6602 Murchison House, West Mains Road, Edinburgh EH9 3LA T 031-667 1000 Telex...Manager British Geological Survey Murchison House West Mains Road Edinburgh EH9 3LA • Contents: SUMMARY |
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| 260 Metasomatism of cherts on the north-west margin of Dartmoor, Devonshire By M. A. EL SHARKAWI1 and...Dartmoor granite in the neighbourhood of Meldon, near Okehampton, Devon. Development of biotite by contact...metamorphism is over-printed by metasomatic conversion of chert to coarse-grained calc-silicate hornfels. Changes...Carboniferous). They described outcrops of chert at the north-west margin of the Dartmoor granite t h a t...0 ) c :::::: ::::::::::::::::::::::: ~l~a-v~ Mine : : : : : : : : : : : : : : : : : : : : : : : : |
 | Edmons, E. A., Wright, J. E., Beer, K. E., Hawkes, J. R., Williams, M., Freshney, E. C., Fenning, P. J. (1968) Geology of the Country around Okehampton (Explanation of One-inch Geological Sheet 324, New Series) Memoirs of the Geological Survey. Institute of Geological Sciences | Report (issue) |
| SURVEY OF GREAT BRITAIN ENGLAND AND WALES Geology of the Country around OKEHAMPTON ( Explanation of One-inch...Beche. His 'Report on the Geology of Cornwall, Devon, and West Somerset' (1839) was the first memoir of the...other early Geological Survey maps of south-west England, are undated, but it is believed that they were...(1956), 'The Metalliferous Mining Region of South-West England'. The district formed part of the area in which...geophysical methods. In 1962 the newly formed South-West England field unit, successively under Dr. F. B. A. |
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| Field Meeting in North-West Dartmoor 1-3 October 1965 Report by the Director: W. R. DEARMAN Received...A party of twenty-seven members assembled in Okehampton on the evening of 1 October, when the Director...days. THE OBJECT Saturday, 2 October Okehampton and Meldon. The day was devoted to the study of the...north of Okeharnpton and the Lower Culm inlier at Meldon. The party drove first to Knowle Quarry (594962);1...R . DEARMAN The party then returned through Okehampton to the Bude road (A30 on to B3218), turning off |
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| mineralised zones on the north-western edge of Dartmoor, Devon T. J. BRZOZOWSKI BRZOZOWSKI, T. J. 1975. Very Low...mineralised zones on the north-western edge of Dartmoor, Devon. Proc. Geol. Ass .. 86 (3), 287-306. A Very Low...lithologically controlled anomalies running close to the Meldon Chert Formation of the Lower Carboniferous (Dinantian)...within the contact metamorphic aureole on the north-west edge of the Dartmoor Granite. The area is covered...farther south. The Meldon Chert Formation forms the top of the Dinantian in the Okehampton area and is a calcareous |
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| Classification of the Carboniferous rocks of south-west England E. A. Edmonds, MSc London: Her Majesty's Stationery...C:lassification of the C:arboniferous rocks of south-west E11gl,111d. Rep. Inst. (;eol. Sci., No. 7·1/13....stratigraphy of the Carboniferous rocks of South-west England • • • 111 (in pocket) Summary In the course...successsions within the Carboniferous rocks of 3 outh-west England many nan1es and subdivisions have been proposed... Classification of the Carboniferous rocks of south-west England E. A. EDMONDS 1, MSc Introduction Detailed |
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| British Regional Geology I * South-West England r * FOURTH EDITION e ■ - O ” ..y 1835 Geological...British Geological Survey Front cover: Bull Point, Devon (For full explanation see p. ix) NATURAL ENVIRONMENT...and Mr. G. Bisson (District Geologist, South-West England), as well as Professor W. R. Dearman and the...advances in our knowledge of the geology of south-west England. Most of the great expanse of Carboniferous...as oil companies turn their attention to the seas west of Britain, so attention is increasingly focused |
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| SKARNS FROM THE NORTH-WEST BORDER OF THE DARTMOORGRANITE,DEVONSHIRE,ENGLAND M. A. H. EL SHARKAWl...within the contact metamorphicaureole on the north-west margin of the Dartmoor granite. Tin is concentratedin...82% SnO2, centeredon the Red-a-yen Mine at Meldon near Okehampton,lies within a much wider zone of iron-metasomatism...samehorizonwas intermittentlymineralizedfrom Fanny Mine, near Bridestowe,to RamsleyMine at Sticklepathin...Geochemical prospecting(4) has shownrecentlythat at Meldon the same deposits havea lenticularshapeconfinedwithinthe |
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| 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 |
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| variations in the Lifton-Marystow area, West Devon, England P. J. Turner TURNER, P. J. 1985. Stratigraphic...variations in the Lifton-Marystow area, West Devon, England. Proc. Geol. Ass., 96 (4), 323-335. Between...northwards into the regional downwarp of North Devon ('Culm Synclinorium'). Away from the northern margins...interpretation of the north Cornish coast inland to Okehampton. Important aspects of the geological setting...bounded by the Tamar Fault Zone (Turner, 1984) to the west (easting 35) and extends eastwards some 10 km, across |
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| anomalies and mi nera I isation at Sou rton Tors, Okehampton, Devon REPORT No. 76/1 HMSO The Institute of...anomalies and mineralisation at Sourton Tars, Okehampton, Devon K. E. Beer and P. J. Fenning London: Her...anomalies and mineralisation at Sourton Tors, Okehampton, Devon. Rep. Inst. C;eol. Sci., No. 76/1, 38 pp....and ST-Sb Stratigraphic and Structural Details Meldon Chert Formation Crackington Formation Sedimentary...fluorescence analysis of pyrrhotite and pyrite from north-west Dartmoor • • • 111 36 Summary A spectacular |
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| Upper Culm Measures THE IGNEOUS ROCKS (a) The Meldon District (b) The Petertavy District 4. THE STRUCTURE...Unit The Petertavy Unit The Lydford Unit . The Meldon Unit . Structural Interpretation (f) The Breccia-Fault...established within the country rocks bordering the north-west corner of the Dartmoor granite mass. Upper Devonian...two to three miles wide, which borders the north-west comer of the Dartmoor granite mass in Devonshire...from South Tawton on the north to Tavistock on the west of the granite (Fig. 1). Sedgwick & Murchison (1840) |
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| GEOLOGICAL SCIENCES British Regional Geology South-West England (TH [RD EDITION) By E. A. Edmonds, M.Sc. M...world war, interest in the geology of south-west England has further inten ified. Much valuable work...done, and in 1962 the newly l"ormcd outh-we t England field unit of the Geological Survey began ix-inch...Mr. G. Bisson (District Geologi t. South-We t England, editor). Private workers whose publications have...the countryside and natural history of south-west England. An EXHIBIT illustrating the geology and scenery |
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| British Geological Survey Front cover: Bull Point, Devon (For full explanation see p. ix) •• ll On 1...Mr. G .. Bisson (District Geologist, South--West England), as well as Professor W. R. Dearman and the...advances in our knowledge of the geology of south-west England. Most of the great expanse of Carbonif�rous...as oil companies turn their attention to the seas west of Britain, so attention is increasingly focused...age-determinations of rocks of south-west . . . . . . . Facing England 1 112 List of Geological Survey |
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| AND DEVON: C.J. MOON Moon, C.J. 2018. Geochemistry of Caesium and Fluoride in Cornwall and Devon: Evidence...Evidence from TellusSW. Geoscience in South-West England, 14, 150–160. The TellusSW geochemical survey...soils and water as well as fluoride in waters. Devon and Cornwall are one of the most enriched areas...reflects Cs concentration in fine-grained granite of west Dartmoor, late stage Li-F rich granites in St Austell...mineralisation as well as forming a broad high in mid-Devon, spatially related to the occurrence of lamprophyres |
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| stratiform massive sulphide mineralisation in south-west England A. J. Benham, F. M. McEvoy and K. E. Rollin...parts of south-west England, the Central Area between Bodmin Moor and Dartmoor, and North Devon. The Central...volcanogenic massive sulphide (VMS) deposits occur. North Devon is considered prospective on account of its similarities...up to 10% Pb over 4·5 m was recorded. In North Devon, stratiform mineralisation has been recorded from...occurrence of stratiform sulphide deposits in North Devon and the Central Area has been assessed by GIS-based |
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| RYBACK 42 Bell Road, Sittingbourne, Kent ME10 4EB, England AND PETER C . T A N D Y Department of Mineralogy...British Museum (Natural History), London SW7 5BD, England T n E supplementary lists of British Isles minerals...recently. The classic minerals of Cornwall and Devon are splendidly described by Embrey and Symes (1987)...known from the British Isles, and 580 or so from England. Of these latter, about 116 are listed here as...on minerals collected by A. de Hailer at Tynagh mine, Ireland, unpublished except in newsletters (Bulletins |
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| (a) Previous Work THE Lower New Red Sandstone of Devon outcrops in a north-south band near Torquay to Exmoor...Devonian and Culm. Westwards of Tiverton and again west of Exeter the outcrop extends into the Culm synclinorium...Ussher (1906) divided the Lower New Red Sandstone of Devon into: 3. Lower Sandstones 2. Breccio-conglomerates...distinguished from the porphyritic granite of the West of England ". A granitic origin has been attributed to... The sediments were laid down in a shallow east-west basin, the later beds overlapping the earlier on |
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| Transgression of the Cretaceous sea in South-West England. By J. M. Hancock. … 61 The Cretaceous structure...W. England (Abstract). By D. J. C. Laming. … … 111 Tergiversate folds from South-West England. By...CHAIRMAN'S REPORT Geological Research in South-West England, 1969 The eighth Conference of the Society was...Transgression of the Cretaceous sea in South-West England. On Tuesday, 7th January Professor M. R. House...geological and geomorphological problems in the South-West; 64% were from University staff and associated research |
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| tectonics of west Devon K. P. Isaac ISAAC, K. P. 1985. Thrust and nappe tectonics of west Devon. Proc. Geol...Carboniferous rocks bordering the NW margin of Dartmoor, West Devon, has shown that the structure of the area is...metamorphic aureole of the Dartmoor Granite between Okehampton and Tavistock. Using this work as a basis, the...revision project indicate that the central SW England area is characterised by a northwards verging thrust... ===- ===:::1 Scale 30km Fig. 1. Map of SW England showing the position of the area described in this |
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| into the geology and geomorphology of south-west England Volume 6 Part 1 1984 Edited by G.M Power ...into the geology and geomorphology of southwest England and the surrounding marine areas; to hold Annual...Annual Conferences at various places in South West England where those engaged in this research can meet...University of Exeter, North Park Road, Exeter, Devon EX4 4QE Proceedings of the Ussher Society Volume...The Kyrtonia Press, 115 High Street, Crediton, Devon EXl73LG Set in Baskerville and Printed by Photolithography |
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| the Origin of some River-Gorges in Cornwall and Devon." Quart. Journ. Geol, Soc., vol. lxxii., pp. 6376...338. LONG EXCURSION TO LYDFORD AND BRENT TOR, DEVON. AUGUST 19TH-26TH, 1922. REPORT BY R. L. SHERLOCK...the Burn. West of the river are chert, shale and lava, in folds approximately east and west, XXXI V...1'• .Po 33 EXCURSION TO LYDFORD AND BRENT TOR. DEVON. and all abruptly truncat ed by the Burn Valley...it was explained that the lava capping rests on chert of Pendleside age. The church, which stands on the |
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| regional geochemical reconnaissance of South-west England. By P. L. Lowenstein and R. J. Howarth. ...... 478 Muscovite (‘Gilbertite’) from the Meldon aplite. By M. Nawaz Chaudhry and R. A. Howie. ... ....Geophysical surveys over two ore-bodies near Tavistock, Devon. By E. M. Durrance. ... ... ... 495 The sequence...... 521 Correlation of fold phases in S.W. England. By David J. Sanderson. ... ... ... ... 525 ...Pleistocene section west of Tregunna House. By B. B. Clarke. ... ... ... 551 Loess in Devon. By T. R. Harrod |
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| Hosking: “The recent search for ore deposits in S.W. England.” 129. *Dr. W. R. Dearman : “Tectonic fluting structure...S.W. England.” 136. *Dr. E. C. Freshney and Mr. P. J. Fleming : “The Petrockstow Basin, N. Devon.” 137...Westphalian of North Devon.” 140. *Dr. R. L. Austin: “New conodont horizons in S.W. England.” 141. *Mr. J....in South Devon.” 148. *Mr. M. Williams : “The New Red Sandstone outlier of Hollacombe, W. Devon.” 149....Braithwaite : “Possible Permian sediments in South West Devon.” OBITUARY Dr. Frederick James Winsor Holwill |
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| south-west England ASPECTS OF THE LITHOGEOCHEMISTRY OF ARSENIC, ANTIMONY AND BISMUTH IN SOUTH WEST ENGLAND...antimony and bismuth in south west England. Geoscience in south-west England, 10, 352-357. As, Sb and Bi...sedimentary and intrusive igneous rocks of the south-west peninsula, with higher values for argillaceous compared...production of As, Sb and Bi from the mines of the south-west peninsula (Dines, 1956). Dines (1956) observed zonation...behaviour of Bi, with special reference to the south-west peninsula, has been described by Ball et al. (1982) |
