 | | 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) | | massive from a vein in a dolerite sill at Embleton quarry, near Cockermouth, Cumberland. A. W. G. Kingsbury...Amblygonite (Li, Na)A1PO4(F, OH) Triclinic See under montebrasite. Also, in leucogranite near the roof of the...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) | | 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 Chaudhry and M a h m o o d (1979) noted the petalite...may have been replaced by petalite.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...of these pegmatites, amblygonite, spodumene, montebrasite, poUucite, and beryllium minerals are found |  | | Journal (article/letter/editorial) | | distinction from montebrasite, 4r4. Amblygonite mine, Caceres, Spain, montebrasite, 414. Amelia County...Avelinoite, relation to wardite, 598. Axinite, Devon, anal., opt., 45. AXON (H. J.), The Gibeon meteorite...silicate studies, 198. Bikita mines, Rhodesia, montebrasite, 414. Bimbowrie, South Australia, cobaltite...anal., d2o T, 489. Black Hills, South Dakota, montebrasite, 414. Blanket Bay, Cuvier Id., New Zealand,...Australia, alkali feldspar, anal., d2oi, 489. Bosahan quarry, Falmouth, Cornwall, biotite, 2IO. BOWDEN (P.) |  | | 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 |  | 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 | | 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____________ |  | | 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...--- · - · · ··· _ 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 |  | | 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...of these pegmatites, amblygonite, spodumene, montebrasite, poUucite, and beryllium minerals are found |  | | 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 |  | | 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 |  | | 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,...old stock. lxl£1.SO lx2£3 2x2£S Feldspar 280 MONTEBRASITE Varutrask, North Sweden Pure white cleavable |  | | 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 ________ |  | | 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 |  | | 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 |  | 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) | | during the (OH)F–1 exchange in the associated montebrasite. Keywords: beryllonite, hydroxylherderite, ...fluor libéré pendant l’échange (OH)F–1 dans la montebrasite associée. (Traduit par la Rédaction) Mots-clés:...pegmatite consists of quartz, blocky amblygonite–montebrasite (4.6 to 6.6 wt.% F), coarse crystals of beryl...hydrothermal alteration include a white mica, secondary montebrasite (0.8 to 1.5 wt.% F) developed at the expense...amblygonite–montebrasite, fluorapatite rimming and penetrating the amblygonite–montebrasite, and the assemblage |  | | 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...Rich white to faintly blue masses Staffordshire England 25 ANKERITE-KlJTNAHORITE Rich fawn massive. xrayed |  | | Journal (article/letter/editorial) | | oscillatory zoning of columbite from the Meldon aplite, Devonshire, England, and gave several analyses of the...associated with beryi, triphylite, lithiophilite, montebrasite, iepidolite, cassiterite, schorl-elbaite and...Mineralogy and petrogenesis of layered pegmatite-aplite dikes in the Mesa Grande district, San Diego County...niobium-mourn and other rare&ement mine& in the Meldon aplite, Devonshire. Mineral. Msg. 48,443448. LAHTIS |  | | Catalog/List | | COBlIAM 0 7 ) 1 '1411-.A[ S l . ! 1 1 . 1 1 Y s . ENGLAND 0 9 3 2 86 2 3 4 0 ,1 1" rm orEh5i1SJ1l,:;ttt7üi...crystal-sections i n pale Talc. (Kyle of Lochalsh by Loch Duich West Scotland) 1x2 70p ins 2 x 2 ins £1.50 Elongated...Omphacite.An attractive Eclogite rock from (Nordfjord, West Norway) 1x2 £1.20 2 x 2 £2.50 2 x 4 £6 012 ALUMINITE...white sphere shaped nodulé. (Newhaven, Sussex,England) 1" 50p 2 " £1.00 3" £1.60 4 " £3.80 013 ALUNITE...grey, f a i n t l y blue masses (Staffordshire, England) 1x2 40p 2 x 2 80p 2 x 4 £1.50 L9 25.11KERITE-KUTNAHORITE |  | | Journal (article/letter/editorial) | | field, triphylite-lithiophilite and amblygonite-montebrasite appear to be more prevalent in the Rumford area...area pegmatites. Fig. 1. Map of New England region showing the location of the Black Mountain area,...gray lepidolite. Minor amounts of amblygonite-montebrasite and CGM occur in the QSK, TLA and LA units....margins inward in the following general sequence: aplite ! wall zone ! first, second, third intermediate...almandine, pyrite and rare zircon, apatite and beryl. Aplite, composed of fine-grained quartz, plagioclase, |  | Groat, L. A., Mulja, T., Mauthner, M. H.F., Ercit, T. S., Raudsepp, M., Gault, R. A., Rollo, H. A. (2003) GEOLOGY AND MINERALOGY OF THE LITTLE NAHANNI RARE-ELEMENT GRANITIC PEGMATITES, NORTHWEST TERRITORIES. The Canadian Mineralogist, 41 (1) 139-160 doi:10.2113/gscanmin.41.1.139 | Journal (article/letter/editorial) | | than the spodumene-bearing variety. Apatite and montebrasite occur primarily in the former, whereas most...A. Present address: Pacific Mineral Museum, 848 West Hastings Street, Vancouver, British Columbia V6C...et al. (1999) indicated that crystallization of aplite–pegmatite dikes involved mul- 139 vol 41#1 février...granitic intrusions to the LNPG are (from east to west) the Rudi (4.7 km2, 84–87 Ma), Cac (1.9 km2), and...Zn(Pb,W)- and W(Mo)bearing, to Sn-bearing in the west (Fig. 1). The trend of the skarn types appears to |  | | Journal (article/letter/editorial) | | fluorine and low XOH (Figs. 4C and 5C), excepting aplite- -p pegmatite samples described by Neiva and...(2013) Li-mica granite of St. Austell, Cornwall, England 9 8-m ~15.55 Manning (1981a) 690–730 Manning...(1987) 16 Journal Pre-proof (1984) Meldon aplite, Devonshire, England 10 Tregonning topaz granite, Cornwall...(2017) England Hensbarrow granite, St. Austell, Cornwall, Beauvoir granite, France of England 14 -... 45-m 20.04 -p ro Mewan Beacon, Cornwall, England Topaz-bearing porphyries in the Yangbin area, China |
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