 | | 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) | | spodumene in the Meldon Aplite, Devon ASPECTS of the mineralogy of the Meldon aplite fiave been reported...coarser portions of the aplite and more commonly in pegmatite veins in the aplite. Similarly, Edmonds et...veins and forming disseminations in the surrounding aplite. Chaudhry and M a h m o o d (1979) noted the petalite...may have been replaced by petalite. Spodumene at Meldon receives only two notices; the description by Kingsbury...notes that, in one or two of these pegmatites, amblygonite, spodumene, montebrasite, poUucite, and beryllium |  | | Journal (article/letter/editorial) | | massive from a vein in a dolerite sill at Embleton quarry, near Cockermouth, Cumberland. A. W. G. Kingsbury...collected by A. J. Criddle and G. S. Bearne, I974. Amblygonite (Li, Na)A1PO4(F, OH) Triclinic See under montebrasite...of some aspects of the geology of Cornwall and Devon' (Roy. geol. Soe. Cornwall), pp. I44-5, Anglesite...Orange-brown cleavages on vein quartz, at Merehead quarry, near Shepton Mallet, Somerset. Specimen found...AgF%(SO4XOH)6 Yellow, micaceous, and ochreous, at West Turf Pits mine, Grassington Moor, Yorkshire. Also |  | | Journal (article/letter/editorial) | | 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...gibbsite, etc. in fissure-fill in limestone, Woodleaze quarry, Tytherington, Avon (Alabaster, 1989a). Andersonite |  | 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. |  | | 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 |  | | Journal (article/letter/editorial) | | mixtures with quartz or dickite or both, i28. Amblygonite, France, Maine, New South Wales, Saxony, anal...cell-dimensions, distinction from montebrasite, 4r4. Amblygonite mine, Caceres, Spain, montebrasite, 414. Amelia...Avelinoite, relation to wardite, 598. Axinite, Devon, anal., opt., 45. AXON (H. J.), The Gibeon meteorite...Australia, alkali feldspar, anal., d2oi, 489. Bosahan quarry, Falmouth, Cornwall, biotite, 2IO. BOWDEN (P.)...WEIR (A. H.), Zeolites in sediments of south-east England, 48o. BROWN (W. L.), see GRUNDY (H.), I56. Btn~WORTH(D |  | | Catalog/List | | 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 |  | | 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____________ |  | | 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) | | ium mica granite (Tre gonning), leucogranite and aplite. Lithium -mica gra nite is believed to have been...roof and the evidence for several genera tions of aplite-pegmatite bodies. Department of Geology. The University...finergrained than the typical granites of south-west England, but they do not recognise the Tregonning 155.../ -, '/ / I Godolphin Hil l, ,'/ I • • '-Quarry " :' / F/ , / -, Balwest. / ::::-==-,~= , / -...Roof Complex. The contact dips 12-15° to the west-south-west. The dominant cleavage in the pelites, formerly |  | | Catalog/List | | CO/3 OH blue micro crystals on rock. (Greystones Quarry,Lezant,Cornwall) £2.00 lx H £3.50 2 076 CALEDONITE...Quartz with micro spots of Native Copper. (Kingston Quarry,Cornwall) 1x1 £2 553 TETRAHEDERITE (Cu Fe) Sb S...cleavages with cerussite and or Pyrolusite (Merehead Quarry, Mendips,Somerset) H x B £2 269 MENDIPITE Pb/3...CORKITE Pb Fe PO/4 SO/4 This is a rare mineral for England, deep yellow radiations in goethite (Iron Crag...metallic fibrous on' 2cm white dolomite. ' (Lengenbach Quarry,Binn Valley Switzerland) £4.50 163 GALENA Lead |  | | Catalog/List | | hard white sphere shaped nodule. Newhaven Sussex, England 12 ALUJ\JINITE lxlins50p lx2£I 2x2£2.S0 Al SO/4...- · _ ~11te].g1_o ... th. C.ut_~AMBLYGONITE Pure grey clcavablc massive 2x2 £3 Keystone,...--- · - · · ··· _ 2x3 £I .SO 2x2£1 Staffordshire England lx2 S0p Rich white to faintly blue masses 23 Al'\HYDRITE... _ . Pure black mica plate new Analysis , Saga Quarry. Tvedalcn near Ix I £3 I x2 £6 2x2 £ 12 7 AN!lilTE...AXINJTE Very rich light brown massive with some Meldon Aplite Quany, lx240p 2x280 2x3 £1.50 3x4 £3 Ca Fe Al |  | | 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 (article/letter/editorial) | | spodumene in the Meldon Aplite, Devon ASPECTS of the mineralogy of the Meldon aplite fiave been reported...coarser portions of the aplite and more commonly in pegmatite veins in the aplite. Similarly, Edmonds et...veins and forming disseminations in the surrounding aplite. Chaudhry and M a h m o o d (1979) noted the petalite...may have been replaced by petalite. Spodumene at Meldon receives only two notices; the description by Kingsbury...notes that, in one or two of these pegmatites, amblygonite, spodumene, montebrasite, poUucite, and beryllium |  | | Catalog/List | | I Byways, 20 Burstead Close, Cobham, Surrey, England KTll 2NL Phone 01932 862340 EMAIL richard.tayler@minerals...ACTINOLITE Achmclvich, near Lochinvcr, Scotland 1073 AMBLYGONITE MAGNESIOHORNBLENDE, dark green fibrous mass....-------------------------Keystone, South Dakota U.S.A. 16 AMBLYGONITE Pure grey cleavable massive Ix!£! lx2 £1.50 ...£5 -------------------------933 ANATASE Hingston Quarry,Comwall Black micro crystals in crystalline feldspar...501 ALLOPHANE New East Wheal Russell mine, Devon ,England grey bleby small botryoidal with possible Brochantite |  | | Catalog/List | | EOCKS AHD MINERALS Ho U available. NEW STOCK Devon and Cornwall pages 8 S 3 : ALLOPHANE, ARTHURITE...Cu Al AsO SO/4 small green plates in and on rock (West Caradon Mine,Cornwall) » x H £4 510 CHALCOCITE copper...Quartz with micro spots of Native Copper. (Kingston Quarry,Cornwall) 1x1 £2 - 553 TETRAHEDERITE (Cu ?e) ;'L...cleavages with cerussite and or Pyrolusite (Merehead Quarry, Mendips,Somerset) 54 x 54 £2 269 MENDIPITE Pb/3...CORKITE Pb Fe PO/4 SO/4 This is a rare mineral for England, deep yellow radiations in goethite (Iron Crag |  | | Journal (article/letter/editorial) | | Tregonning-Godolphin (Stone, 1975) and also at Meldon, to the northwest of the Dartmoor pluton, where...fluorite and amblygonite . 2. Lepidolite-albite-topaz leucogranite together with aplite and pegmatite...this locality they are heavily kaolinized . The Meldon microgranite is also of this type (Chaudhry & Howie...coarser pegmatite may be lepidolite , like th at at Meldon (Chaudhry & Howie , 1973). Work on the chemi cal...1982). These rocks were originally mapped to both west and east of the outcrop of the aphyric granite of |  | | Catalog/List | | RICHARD ’ BYWAYS, , COBHAM ENGLAND MINERALS T AY L E R C L 0 00 E 2 0 B U R S T E A D P h one SURREY...OH good blue micro crystals on rock (Greystones Quarry,Lezant,Cornwall) 14 X 14 £2.00 lx 14 £3.50 2 ...Quartz with micro spots of Native Copper. (Kingston Quarry,Cornwall) 1x1 £2 553 TETRAHEDERITE (Cu Fe) Sb S...cleavages with cerussite and or Pyrolusite (Merehead Quarry, Mendips,Somerset) S x « £2 219 MARICOPAITE Pb...Omphacite.An attractive Eclogite rock from (Nordfjord,.West Norway) • 1x2 £1.30 2x2 £2.70 • 2x4 £6 112 CORUNDUM |  | | Book | | PO Box 315. Harpenden. Hertfordshire AL5 2ZD. England Telephone: +44 (0)1582 762413 Fax: +44 (0)870 055...production of e0pper. the mining areas of Cornwall and Devon became important producers of b th tin and copp...1\llaga::i11e, on minerals from localities in Cornwall. Devon. Cumbria and Yorkshire. He was renowned for his...Meldonaplitequany.nr Okehampton, Devon (leucophanite)' Meldonaplitequarry,nrOkehampton, Devon PottsGillmine...St Kew,Cornwall; Shallowfield Bridge,SouthMolton,Devon Tynebottom mine,Alston.CUm~ria mercury Chatsworth |  | | Journal (article/letter/editorial) | | Sn-W mineralisation in peninsular Thailand and SW England D. A. C. Manning Department of Geology,The University...Newcastle-upon-Tyne,NE1 7RU, England Abstract. The Sn-W deposits of SW England and SE Asia are associated...vein systems are only locally important. In SW England, wolframite and cassiterite mainly occur in hydrothermal...Similar late-stage granitic rocks occur also in SW England, but a later topaz granite, enriched in F, Li and...from a B and metal-rich magma, whereas the SW England mineralisation involved essentially post-magmatic |  | | 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 |  | | Catalog/List | | New Minerals in this list Acanthite, Axinite from Devon,Celsian from Wales,Clinozoisite,Colemanite crystals...1cm £6 ✓ on a ship wreck in 1885 Ives, Comwall, England ABHURITE SnO OH DESCRIPTON Pyroxene Na Fe...AlS0/4 Al S0/4 ✓ New East Whcal Russell mine, Devon .England Madagascar Railway cutting nearCreston . Wyoming...Wyoming ,U S. A Newhavcn Sussex. England I x2 £6 ½x½ £2.50 I ins £4 lx2 £2.20 IX½ £5 I x½ £4 lxl...2xJinch £5 Madagascar /,x½£3 60 AMAZONITE 16 AMBLYGONITE Amphibolite A rare British mineral. Rich white |  | Černá, I., Černý, P., Selway, J. B., Chapman, R. (2002) Paragenesis and origin of secondary beryllophosphates: beryllonite and hydroxylherderite from the BEP granitic pegmatite, southeastern Manitoba, Canada. The Canadian Mineralogist, 40 (5) 1339-1345 doi:10.2113/gscanmin.40.5.1339 | Journal (article/letter/editorial) | | of the pegmatite consists of quartz, blocky amblygonite–montebrasite (4.6 to 6.6 wt.% F), coarse crystals...primary blocky amblygonite–montebrasite, fluorapatite rimming and penetrating the amblygonite–montebrasite...Viitaniemi, Finland: Volborth 1954, Lahti 1981; Meldon, England: von Knorring & Condliffe 1984; Norrö, Sweden:...exchange in adjacent amblygonite–montebrasite. Pseudomorphic replacement in blocky amblygonite–montebrasite by...(OH)-metasomatism strongly affects the primary amblygonite–montebrasite in the BEP pegmatite. Mobilization |  | | Journal (article/letter/editorial) | | low-pressure petalite, phosphorus-enriched amblygonite and fluorine-rich lepidolite subtypes of orogenic...subtype (London, 1984). The relatively rare amblygonite subtype is indicative of high #PFO 2 ± NaLi_...Maine Bennett quarry, Buckfield, Maine Bennett quarry, Buckfield, Maine Bennett quarry, Buckfield, Maine...Mountain, Rumford, Maine Berry-Havey quarry, Auburn, Maine Greenlaw quarry, Auburn, Maine Chandler mine, Raymond...diamonds-elbaite subtype, stars-miscellaneous (includes amblygonite- and amazonite-bearing pegmatites) with K/Rb |
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