 | | Journal (issue) | | Editor Dr. E. B. Selwood Committee members : Mr. K. E. Beer Mr. C. M. Bristow Dr. J. W. Inglis Prof....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 |  | | Journal (article/letter/editorial) | | niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire OLEG VON KNORRING AND ERIC CONDLIFFE...A number of rare-element minerals from the Meldon aplite are described, e.g. native arsenic and antimony...columbite-tantalite series. THE Meldon aplite, near Okehampton, Devon (grid ref. SX 573 927), is a highly...north-west of the main Dartmoor granite (Worth, 1920). This lithium- and fluorine-rich aplite, together...1973, 1976) have given admirable accounts of the Meldon axinite, topaz, Li-A1 micas and lithian tourmaline |  | | Journal (article/letter/editorial) | | of zircons from the Cornubian Batholith of SW England and comparison with zircons from other European...Natural History Museum, Cromwell Road, London SW7 5BD, UK Camborne School of Mines, College of Engineering...Exeter, Penryn Campus, Penryn, Cornwall TR10 9FE, UK [Received 13 March 2015; Accepted 17 December 2015;...of the late-Variscan Cornubian Batholith in SW England was analysed for W, P, As, Nb, Ta, Si, Ti, Zr,...topaz granites from the St. Austell Pluton, Meldon Aplite and Megiliggar Rocks are slightly enriched in |  | | Book | | 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 |  | | Journal (issue) | | Exley Dr. A. Hall Prof. J.W Murray Dr. J.T. Renouf Dr K. Atkinson Membership of the Ussher Society is open...Science, Plymouth Polytechnic, Plymouth, PL4 8AA, Devon. PROCEEDINGS OF THE USSHER SOCIETY VOLUME FOUR...Co., Kyrtonia Press, 115 High Street, Crediton, Devon CONTENTS CHAIRMAN'S REPORT......................formation of small-scale tectonic structures in south Devon (Abstract). By D.M. Hobson........................of the late Triassic - early Jurassic sequence in west Somerset. By G. Warrington..................... |  | | Journal (volume) | | non-member subscription rates for this volume are: UK £13 (including P&P) and Overseas £15 (including P&P)...proudly displaying a copy of Minerals of Northern England. Roy Starkey photograph. Journal of the Russell...Herderite-hydroxylherderite series minerals from Chywoon Quarry, Cornwall Tom F. Cotterell, Neil Hubbard and David...herderite-hydroxylherderite series minerals, from Chywoon Quarry, in Cornwall. There are, however, four other Cornish...cross the Irish Sea and travel to the far south-west of the Emerald Isle, to Ballybunnion, in County |  | | Journal (article/letter/editorial) | | 38, PP. I79-85 Feldspars from the Meldon aplite, Devonshire, England M. NAWAZ CHAUDHRY Department of Geology...University of the Panjab, Lahore, West Pakistan SUMMARY. Chemical analyses of nine K-feldspars and thirteen albites... The obliquity values A = Iz'5(d131--dl~1)of the K-feldspars are found to be independent of the contents...phase of K-feldspars and zV~ is shown diagrammatically. THE Meldon aplite, near Okehampton, Devonshire... is a soda-lithia aplite dyke about 2o-5 m in thickness, occurring I km north-west of the main Dartmoor |  | | Journal (issue) | | UK j I o mi minerals TS C nlm~ 2 EDITORIAL COVER: Vanadinite from the LeadhillsWanlockheadminingdistrict...specimen. 5 PEGMATITE MINERALS FROM CI-IYWOON QUARRY The UK Joumal efMines a11dMinerals publishes articles...Stephen Burchmore • David Green NEW CLIFFE HILL QUARRY 43 The views and opinions expressed in this Journal...ALGODONITE AND DOMEYKITE FROM NEW CLIFFE HILL QUARRY Publication of information on a collecting site...Worbop, Nott~. S80 2EE CLASSIFIED ADVERTISMENTS UK Journal of Mines & Minerals No. 26 -1- EDITORIAL |  | | Journal (issue) | | Research into the geology and geomorphology of S. W. England Volume 5 Part 4 1983 Edited by G.M Power The...into the geology and geomorphology of South West 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 Monophoto Times and Printed by Photolithography |  | | Journal (article/letter/editorial) | | Late magmatic growth of feldspars, especially K-feldspar, leading into post-magmatic growth and inclusion...growth along grain boundaries between feldspars and feldspar and quartz is related to F release which is associated...minerals (andalusite, biotite and plagioclase feldspar), (ii) a 'magmatic' mineral sequence involving...post-magmatic sequence, beginning with growth of alkali feldspar megacrysts and the exsolution of albitic plagioclase...and tourmaline growth and replacement of alkali feldspar and late-stage quartz grain enlargement. Lithium |  | | Book | | significant minerals to come out of southwest England. The accompanying captions describe the crystallographic...~t~' l lr\ V: 1 'I Minerals of Cornwall and Devon Joseon1ne Community Llbral1es Grants Pass, OreQon...Minerals of Cornwall and Devon. 1. Mines and mineral resources;--England --Devon 2. Mines and n1ineral resources...resources --England--1Cornwall J. Title IL Symes. R. F. 549.9423'5 QE262.D45 ISBN 0-56 5-009 8 9- 3 paperback...ISBN 0-565 01046 8 hardback Printed in England by Balding+ Mansell UK Litnited CONTENTS • Acknowledgements |  | | Journal (issue) | | guides and organises field excursions both in the UK and abroad. Subscriptions are renewed annually on...picture Cherts veined by aplite from the Dartmoor Granite in Meldon Aplite Quarry - see article on page...disappear from document is welcomed as a Totternhoe Quarry my memory banks like a useful overview of Society...the next two years I look forward to meeting as England as an insight into 3D basin modelling using many...as President. The speaker should be Charter for England. Council were happy to agree and will someone who |  | | Journal (issue) | | ___________________________________ Chairman Mr. K. E. Beer Vice-Chairman Prof. D. L. Dineley Secretary...Science, Plymouth Polytechnic, Plymouth, PL4 8AA, Devon. PROCEEDINGS OF THE USSHER SOCIETY VOLUME THREE............. 209 Fluid inclusion studies in SW. England. By D. H. M. Alderton............................geochemical division of the Namurian shales of Devon and Cornwall and its significance. By Stephen McCourt... 235 Iron-manganese mineralization at Merehead Quarry, eastern Mendips (Abstract). By C. Alabaster.. |  | | Journal (article/letter/editorial) | | are placed at the end. ACKERMAND, D., see HERD, R. K., 401 ADAMS, J. W., see FOORD, E. E., 97 Aegirine...Oman, 16 Columbite-tantalite, Devonshire, from Meldon aplite, 443 CONDLIFFE, E., see NIXON, P. H., 550; see...469 DE BRUIYN, H., see BEUK~, G. J., 131 DHIR, R. K., see HUBBARD, F. H., 251 Diamond, enstatite inclusions...see UPTON, B. G. J., 323 592 ALPHABETICAL ENGLAND, CORNWALL,Carnmenellis granite, evolution of groundwaters...DEVONSHIRE, Meldon aplite, Nb-Ta minerals, 443; KENT, Sandwich, glauconite, 119 ENGLAND, B. M., calcite |  | | Journal (issue) | | 4th January, 1966 101. *Dr. J. R. Hawkes and Mr. K. Chaperlin : “A summary of the Geological Survey's...with particular reference to the granites of S.W. England.” 103. *Dr. B. Booth : “Potassium metasomatism...*Dr. J. L. M. Lambert : “The structure of south west Cornwall : a study in tectonic facies.” 107. *Dr...*Mr. N. J. Money : “Carboniferous rocks o f North Devon : the Appledore Formation.” 116. *Dr. F. J. W. Holwill...Chert Formation (Lower Carboniferous) of North Devon.” 120. *Mr. R. H. Balderson and Dr. A. H. Stride: |  | | Journal (issue) | | UK TS C 2 COVER:Superbtwinnedyellowfluoritecrystal 15 mm on edge from Hilton Mine, Scordale, Cumbria...T'wENTY YEARS IN MINERALS NORTHERN ENGLAND David Green • Peter Briscoe The UK ]011rnalof Mines at1d Minerals...THE SHAP GRANITE CUMBRIA DESIGN Julie Ballard QUARRY, Max Wirth • David Green 58 The views and opinions...Ratcliff & Roper (Print ) Ltd Worksop, Nous. S80 2EE UK Journal of Mines & Minerals No. 22 -t- Campylite...Campylite is one of the classic minerals of Northern England. This specimen from ~ry Gill Mine, once part of |  | | Journal (article/letter/editorial) | | minerals. If not, we consider temperatures from two-feldspar thermometry, accessory mineral-saturation thermometry...2015); (B) Phenocrysts of topaz, K-feldspar and mica in a quartz-feldspar-topaz groundmass, within ongonite...Nash, 1991); (D) Phenocrysts of quartz, alkali feldspar, and topaz in the rhyolite dikes from Eurajoki...Republic (Jarchovský, 2006). K-feldspar and albite are enclosed by topaz; (K) Topaz from the Podlesí granite...quartz (Soufi et al., 2018). (A), (B), (F), (G), (K) Plane-polarized light; (C), (D), (E), (H), (I), (J) |  | | Journal (article/letter/editorial) | | associated with the Cornubian Batholith of southwest England: Direct dating of cassiterite by in situ LA-ICPMS...Cornwall and Devon vein- and greisen-type copper and tin deposits of southwest England are spatially...granitic spine from the Isles of Scilly Granite in the west to the Dartmoor Granite in the east. The granitic...between ore ages and geographic relationship from west to east throughout the Cornubian Batholith. Incorporating...Cornwall . Devon . Cornubian . Cassiterite . Tin . U–Pb . Geochronology . LA-ICPMS . England Introduction |  | Savage, Paul S., Georg, R. Bastian, Williams, Helen M., Turner, Simon, Halliday, Alex N., Chappell, Bruce W. (2012) The silicon isotope composition of granites. Geochimica et Cosmochimica Acta, 92. 184-202 doi:10.1016/j.gca.2012.06.017 | Journal (article/letter/editorial) | | Kingdom b Water Quality Centre, Trent University, 1600 West Bank Drive, Peterborough, Ont., Canada K9J 7B8 c...pegmatites and aplites from Australia and south-western England. We have also analysed a selection of country rock...marine carbonate and chert bands. High quartz/feldspar ratios suggest that these samples have undergone...basaltic magma or partial melting of quartz- and feldspar-rich granites. Therefore, some Atype granites... 2.2. New England batholith 2.4. Aplites and pegmatites from SW England The New England batholith (NEB) |  | | Journal (article/letter/editorial) | | clays and the other physical properties. Quartz, K-feldspar (microcline), and mica are present in all samples...3, Goonvean Pit. Pits, close to Nanpean in the west of the kaolinised zone, and Wheal Prosper Pit, near...extracted from these pits includes kaolinite, K-feldspar, mica and quartz. Smectite is usually present...kaolinised granite adjacent to Prosper China Stone Quarry, which abuts Rostowrack Pit. Wheal Prosper Pit...for use in all the major ceramic industries in the UK and rest of the world. For the tableware, bone china |  | | Report (issue) | | Southwest England 10 Fig 5 Extent of kaolinisation in the granites of Southwest England 11 Fig 6...the United Kingdom and the deposits of Southwest England are world famous for their high quality. The United...deposits of Southwest England were formed by the in situ alteration of the feldspar component (principally...matrix-consisting principally of quartz, micaceous mineral, feldspar and kaolinite, is hydraulically mined. Kaolinite...kaolin and china stone or 'petuntse' (a mixture of feldspar and quartz), which acted as the flux. For many |  | | Report (issue) | | and grl1t1r1dv-.'aters '2 l,itl1ium in South-West England 3 Geology of the St Austell c;r,tnite 7 The...shEngland 5 The gecJ!ogy cif the St Austell Granite 8 The...uthors J . R . Hawkes, BSl�, PhD 1 9 Jenner Drive , West End , Woking, Surrey G U 24 9HU P . M . Harris,...the same as that of its CK , Rb, C s , [Fr] ) , but being the first member of..., p. 1 '280) gave 20 p[)m I,i; tl1c H and l)k cJf GecJchem istry (WcdepcJh l , 1 9 7 8 , \'ol , |  | | Journal (article/letter/editorial) | | associated with quartz, K-feldspar, and Fe-rich chlorite. The pink K-feldspar occursas partly sericitizedcrystalsas...75 axinite reflections in the range 0-60o 20 (Ct K" radiation) and employing a computer program developedby...FeO 3.27,MnO 11.66,NIgO 0.25' CaO 18.08,Na,O 0.15, K,O 0.02,H,O(-) 0.04, H,O(+) 1.26,Total 100.46.Using...assisting with determination of the unit-cell parameters; K. F. J. Heinrich, C. Fiori, and A' S. Doan, Jr. for...Axinites from the contact skarns of the Meldon aplite, Devonshire, England. Mineral- Mag' 37,4548' Dnon, W. |  | | Journal (article/letter/editorial) | | solved independently by Pauling (1928) and Alston and West (1928) and later refined by Ribbe and Gibbs (1971)...locality); 8. tin granites and greisens of Cornwall, England, and France; 9. Erzgebirge district, Saxony, Germany;...No substitution for Si is known. Ca, Fe, Mg, Na, K, P, and Ti have been reported in some topaz analyses...essential minerals of these granites are alkali feldspar, albite, quartz, F-rich topaz, and micas (with...late F-rich fluids with earlier crystallized K-feldspar may also result in the formation of anhedral |  | | Book | | by Ph oto-Graphics, Stoc kla nd , Nr. Ho nito n, Devon. P rinted at Page Bros. (Norwich) Limited. Contents...Part of the St Austell Granite Pluton, Cornwall, England. . . . . . . . . . . . . . . . . . . . . . . .... 51 P. Bowden Tourmalinization in Cornwall, England . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . 101 I. Haapala and K. Kinnunen Mineralization, Wall Rock Alteration and...Activity in the St Just Mining District, Cornwall, England. . . . . . . . . . . . N.J. Jackson, A.N. Halliday |
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