 | | 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 Chaudhry and M a h m o o d (1979) noted the petalite...may have been replaced by petalite.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...spodumene--listed by Kingsbury. Petalite and spodumene from Meldon in the A. W. G. Kingsbury Collection, British |  | | 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) | | 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 |  | | 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 |  | | Catalog/List | | Bertrandite,Cristobalite,Breunnerite,Fresnoite,Pollucite,Shortite Trona, Vashegyite,Xenotime,Pyrophyllite...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 |  | | 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____________ |  | 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. |  | | Catalog/List | | hard white sphere shaped nodule. Newhaven Sussex, England 12 ALUJ\JINITE lxlins50p lx2£I 2x2£2.S0 Al SO/4...--- · - · · ··· _ 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...rich white masses intergrown with Weymouth,Dorset,England JxJ 60p lx2 2x2 2x3 £4 46 BASALUMINITE AISO/4 OH |  | | Report (issue) | | morinite, väyrynenite, lithiophilite, elbaite, pollucite, petalite, lepidolite, albite, orthoclase, quartz...Sugarloaf Mountain, near Stoneham, at the Dunton quarry and the Bell Pit, Newry, Oxford Co., and other...on Rånö Island, Sweden. In England, in the Meldon aplite, Okehampton, Devonshire. Large crystals from |  | | Catalog/List | | EOCKS AHD MINERALS Ho U available. NEW STOCK Devon and Cornwall pages 8 S 3 : ALLOPHANE, ARTHURITE...Minerals with msual elenents Page 1: GREEN MONAZITE, POLLUCITE, SPIROPFITE, General stock SAPPHIRINE page 14...long, Im across £4 4 pieces 5mm long for £8 487 POLLUCITE Cs Na Al Silicate Pure creamy coloured masses...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 |  | | 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 |  | | Journal (article/letter/editorial) | | Compositional relations in Li-micas from S.W. England and France: an ion- and electronmicroprobe study...been used to analyse Li-rich micas from the S.W. England batholith (mainly the St Austell granite) and the...Li-micas, ion-microprobe, electron-microprobe, S.W. England, France. Introduction (K2(A12Li4)[Sis]O20(OH,F)4);...trioctahedral micas from the Cornubian batholith, S.W. England. They confirmed the continuous solid-solution series...analyse Li-micas in Hercynian granites from S.W. England and the Massif Central, France 9 Micas from rocks |  | | 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 |  | | Report (edition) | | 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 |  | | Catalog/List | | 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 |  | | Catalog/List | | No. Byways, 20 Burstcad Close, Cobham, Surrey, England KTll 2NL EMAIL 2007 104 Phone 01932 862340 ...THAUSITE Modum, Buskerud,Norway 59 BOEHMITE Saga Quarry, Tvedalen, Norway Brown-purple mass in matrix Creamy...--· - . . - - ------ -·-··-·-· ---·7 ANNITE Saga Quarry, Tvedalen near Larvik, Norway 696 CHROME DIOPSIDE...lx2 £15 lxl £4 lx2 £8 2x2 £16 126 DIASPORE Saga Quarry, Tvedalen. Norway 1060 KORNERUPINE Bjordammcn,...lxl 90p lx2 £1.80 2x2 £4 Mica 295 NATROLITE Saga Quarry, Tvedalen, Norway Orange to red in feldspar.(Hydrothcrmal |  | | Catalog/List | | _1_0_0_ Byways, 20 Burstead Close, Cobham, Surrey, England KTll 2NL EMAIL ·_-2_0_0_6__, -· Phone 01932...Lochinver, Scotland 12 ALUMINITE Newhaven Sussex, England / MAGNESIOHORNBLENDE, dark green fibrous mass....------------6 ALBITE Kragero Norway 933 ANATASE Hingston Quarry,Comwall Black micro crystals in crystalline feldspar...501 ALLOPHANE New East Whcal Russell mine, Devon ,England variety VIRIDINE (Mangan rich variety) Olive... £4 lx2 £6 Ca SO/4 23 ANHYDRITE Staffordshire England Rich white to faintly blue masses lx2 80p 2x2 £1 |  | | Catalog/List | | I Byways, 20 Burstead Close, Cobham, Surrey, England KTll 2NL Phone 01932 862340 EMAIL richard.tayler@minerals...£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..._--~(~OI_~·-·· · -·- ·· ···ALUMINITE Newhaven Sussex, England Pure hard white sphere shaped nodule. Ixlins80p..._ _P_b_so_,_4____ 23 ANHYDRITE Staffordshire England Rich while to faintly,bluemasses lx2~0p ________ |  | | Report (edition) | | 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 | | | 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 |  | | Catalog/List | | formed on 1111 ABHURITE 6 St Ives. Cornw all, England 85 18 in wreck on ship a gots _ in Sn_______ O...£6 I x 1/, ALSiO Brochantite on matrix. £4 Devon .England £2.50 ALMANDINE Large brown well fom1ed dodecahedral...hard white sphere shaped nodule. Newhavcn Sussex, England Al S0/4 ------ -------- ----- ·--- lx2 £6 ½x½£3...-�b Ag �b� 2 3 ANHYDRITE Ix2 50p Staffordshire England 2x2£1 2x3 £ 1.50 Ri ch white 10 faintly blue masses...ANNITE Pure black mica plate new Analys is. Saga Quarry, Tvedalen near Mica paper avail'!�_____ _ ___Larv |  | | 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 (issue) | | acicular crystals 9 mm long on calcite. Fall Hill quarry, Ashover, Derbyshire. Collected 1979. Roy Starkey...Limestone at Raisby, Cox hoe, County Durham , England 75 B. YounR Wavellite and variscite on Gower...with schulenbergite from Cornwall and Cumbria, England D.J. Green. J Betterton, R. Bell and T /lieall...Millerite and associated minerals from Brixham, Devon, England R.S W Braithwaite and JI. Wilson 87 Rosiaite...Derbyshire, England 89 A. Dyer, 0..\1. Wilson and B. Young Milarite from Shap granite quarry, Cumbria |  | | Journal (article/letter/editorial) | | 897 Alafoteib, Egypt, psilomelane, 235 Albite, Devon, anal., I79; Scotland, anaL, 819 Algarvia, SSo Miguel...see VR,~NA(S.), 837 development of garnet in, 649; West Pakistan, Basalt, Rdunion, anal., rhyodacite glass...traps, 527 CHAUDHRY (M. N.), Feldspars from the Meldon aplite, I79 Chenevixite, Mexico, 54I Chester, Massachusetts...Shetland, 626 Cornwallite, Shetland, 626 Corundum, West Pakistan, alteration to margarite, Io6; Nigeria...ENGIN (T.) and AUCOTT(J. W.), Chromites from south-west Turkey, 76 ESSON (J.), anal. by, 345 Eucolite, Tanzania |  | Černý, Petr, Chapman, Ron, Ferreira, Karen, Smeds, Sten-Anders (2004) Geochemistry of oxide minerals of Nb, Ta, Sn, and Sb in the Varuträsk granitic pegmatite, Sweden: The case of an “anomalous” columbite-tantalite trend. American Mineralogist, 89 (4) 505-518 doi:10.2138/am-2004-0405 | Journal (article/letter/editorial) | | phosphates, and decomposition of stibiotantalite and pollucite. Although some of the studies of individual minerals...the designation of spodumene, huge masses of pollucite, and thousands of tons FIGURE 2. Surface map...replacement. The evidence available from sketches of the quarry exposures, photographs, and detailed descriptions...(in part converted to Spd + Qtz), quartz, and pollucite with lesser amounts of K-feldspar, albite, and...the parent magma: abundant petalite, spodumene, pollucite, lepidolite, and phosphates confirm substantial |
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