 | 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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| 260 Metasomatism of cherts on the north-west margin of Dartmoor, Devonshire By M. A. EL SHARKAWI1 and...in the neighbourhood of Meldon, near Okehampton, Devon. Development of biotite by contact metamorphism...Carboniferous). They described outcrops of chert at the north-west margin of the Dartmoor granite t h a t had been...Geology of the north-west border of Dartmoor. (a) Outline map of southwest England showing granite outcrops...calcareous horizons around Okehampton. (c) Cross-section illustrating structure at Meldon. restricted outcrops |
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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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| 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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| GRANITES AND SOME ASSOCIATED ROCKS FROM SOUTHWEST ENGLAND I. A. MILLER AND P. A. MOHR New isotopic age determinations...determinations on all the granites of southwest England are presented and discussed in relation to the...INTRODUCTION The Hercynian granites of southwest England have in part been the subject of potassiumargon...the period of the Hercynian orogeny in southwest England in relation to other parts of Britain and Europe...concordant with the tectonic grain of southwest England, and six major domes have risen froin it to form |
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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 |
| | Report (edition) |
| 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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| conditions had improved the ground for walking on the quarry floors. There was a half-day excursion to the St...petrochemistry of kaolinite formation in Gwavas quarry, Newlyn, Cornwall.” 75. *Mr. G. M. Power : “The...analysis of small quantities of tourmaline from S.W. England ; a preliminary report.” 76. *Dr. C. S. Exley :...South Devon.” 98. *Dr. W. R. Dearman : “Bismuth and Molybdenite from Meldon Quarry, near Okehampton, Devon...geology of Devon and Cornwall”. Dr. W. R. Dearman “Map showing geological research in S.W. England - 1965” |
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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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| 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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| 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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| 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 |
 | | Catalog/List |
| Spinel crystals from madgascar.Mottramite from England .Cut and polished Labradorite.Tacharanite and Tobermorite...ingots on a ship wreck in 1885 St Ives. Cornwall. England Rich fine grained black crystalline mass Mount...501 A x A ins rock Fluorescent green Al SiO Devon England FLUORESCENT Large brown well formed dodecahedral..._______ Ba Ca 00/3__________ Newhaven Sussex, England lxlins50p 1x2 £1 Pure hard white sphere shaped...Arizona Pure green cleavage AMAZONITE Landsverk quarry, Evje, Norway Ixl 50p lx2£l 11 felspar group____________ |
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| FLUORESCENT ½ x ½ ins rock Fluorescent green Al SiO Devon England Large brown well formed dodecahedral Madagascar...hard white sphere shaped nodule. Newhaven Sussex, England lxlins S0p ALUMINITE Al SO/4 ALUMINOTSCHERMAKITE...- - - AMAZONITE Pure green cleavage Landsverlc quarry, Evje, Norway lxl S0p ALAMOSITE fcLp 10 g:...PbAgSbS lx2 S0p 2x2 £1 2x3 £I .SO Staffordshire England Rich white to faintly blue masses ANHYDRITE CaSO...with Chrysotile, pale grey-green County Bridge Quarry,Lizard ,Cornwall MgFeSiO massive. Minas Gerias |
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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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| rful , 18 miles NNW of St I cm £6 Ives. Cornwall. England No location details !cm £4 Colo urless to yellow...Ix ! £4 l x2 £8 New East Wheal Russell mine, Devon ,Eng land Madagascar ½ x½ £2.50 lins£4 I x½ £4...near Creston . Wyoming ,U.S. A Newhaven Sussex, England l x l £3 l x2 £5 While crystals well covering...paper available. Rich grey crystalline mass. Saga Quarry, Tvedalen near Larv ik, Norway Ix I £1.50 Ix I...Chrysotile. pale grey-green mass ive. County Bri dge Quarry,Lizard ,Cornwall Jx I £ I I x2 £2 Loch Scridain |
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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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| azurite, olivenite, 428; coronadite, 343 Embleton quarry, Cockermouth: alunite, dickite, thaumasite, zunyite...pharmacosiderite, plumbojarosite, seorodite, 430 Devon Bedford United mines, Tavistock: eornubite, 2 Ford...scheelite, 921 Meldon aplite quarry, Okehampton: bavenite, 577 Meldon limestone quarry, Okehampton: scheelite...Sticklepath, Okehampton: scheelite, lxxviii, 921 Red-a-yen Brook mine, Meldon, Okehampton: helvine, 1511ingite...Sletteval, Loch Langevat, South Harris: pegmatite with biotite, microcline, thorite, thorogummite, 367 Inverness |
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| Resources Centre, University of Exeter, Exeter, Devon EK4 4QE. INTRODUCTION The Cornubian granites are...et al., 1993). However, the coarse megacrystic biotite granite of the Dartmoor pluton appears to be more...coarse-grained megacrystic biotite granite (CGM) appears to grade into poorly megacrystic biotite granite (PM) (Edmonds...granites, including the nearby Meldon microgranite, from the biotite granites. The latter have an almost...the usual accessory minerals common to all the biotite granites of the Cornubian batholith, titanite and |
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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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| Igneous Rocks of South-West England THE GEOLOGICAL CONSERVATION REVIEW SERIES The comparatively small...and M. C. Gyopari S. Igneous Rocks of South-West England P. A. Floyd, C. S. Exley and M. T. Styles 6...Thames D. R. Bridgland Igneous Rocks of South-West England P. A. Floyd Department of Geology, University...study, or criticism or review, as permitted under the UK Copyright Designs and Patents Act, 1988, this publication...licences issued by the Copyright Licensing Agency in the UK, or in accordance with the terms of licences issued |
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| ^MINERALS, ROCKS and GEMSTONES \in Cornwall and Devon |'; '’i '■-■ ,, t Cedric Rogers A Collector’s...MINERALS, ROCKS AND GEMSTONES in Cornwall and Devon Cedric Rogers i D. BRADFORD BARTON Truro LTD... MINERALISED ILPMACOMar AREAS of CORNWALL & DEVON Main. Concentrations of mints. (has Hine. fnaxt*...Lizard .. North and Central Cornwall East Cornwall Devon 26 27 28 29 30 31 32 33 34 35 MAPS 36 39 APPENDIX...experienced collector who is unfamiliar with Cornwall and Devon should find helpful. There has been no attempt to |
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| C267 BUSTAMITE excellent rich brown near Okehampton Devon) This is lxl 6Op lx2 fl.2O C268 CHALCOSTIBITE...(Ramsley Mine lxl fl.5O lx2 f3 of glassy micros Devon) 2x2 f6 C27O CHALCOPYRITE good crystals Also Quartz...mineral has only been found in The Mendips. (Merehead Quarry Mendips Somerset) f3.50 C273 COLORADOITE Mine...metallic Colorado U.S.A) lx single each 2 9 (Meldon B.R.Quarry some years ago. 2x4 f5 on matrix. ...areas in matrix XRD) A W matrix (Bessie Tyube Quarry on Basalt.(Island "B" - C278 GOETHITE really |
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| Indium mineralisation in SW England: Host parageneses and mineralogical relations Jens... Shail, Robin K., Indium mineralisation in SW England: Host parageneses and mineralogical relations,...Ore Geology Reviews Indium mineralisation in SW England: host parageneses AC CE P TE D and mineralogical...Cornubian batholith, SW England 1 ACCEPTED MANUSCRIPT ABSTRACT The SW England ore region contains significant...arsenopyrite, rutile, haematite, magnetite, tourmaline, biotite, chlorite, galena, bornite, AC chalcocite or |
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| ... 219 SYMPOSIUM. The structure of South West England A general view of the structure of Cornubia... north-west of Dartmoor. By E. B. Selwood. ... ... ... ... 237 The Structures of Mid-Devon and North...of North Devon. By S. Simpson. 249 Form and structure of the granites of South West England. By M. Stone... ... En-echelon veins in folds near Hartland, Devon (Abstract). By P. L. Hancock. ... ... ... 264 Early...Hobson. ... 264 Deformation analysis on the North Devon coast (Abstract). By K. Jeffery. ... ... ... 265 |
