 | 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) | | massive from a vein in a dolerite sill at Embleton quarry, near Cockermouth, Cumberland. A. W. G. Kingsbury...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...of some aspects of the geology of Cornwall and Devon' (Roy. geol. Soc. Cornwall), p. 249. Arthurite |  | | Report (issue) | | in the vicinity of Belstone Consols Mine, Okehampton, Devon K E Beer, G S Kimbell and M J Bennett BRITISH...in the vicinity of Belstone Consols Mine, Okehampton, Devon KE Beer, BSc, FIMM G S Kimbell, BSc, and...in the vicinity of Belstone Consols Mine, Okehampton, Devon. Mineral Reconnaissance Programme Report 1...378173 BGSKEY G Fax T 060 77-6602 Murchison House, West Mains Road, Edinburgh EH9 3LA T 031-667 1000 Telex...Manager British Geological Survey Murchison House West Mains Road Edinburgh EH9 3LA • Contents: SUMMARY |  | | Journal (article/letter/editorial) | | 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) |  | | Report (issue) | | 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 |  | | Journal (issue) | | 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 |  | | 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 |  | | 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 |  | | Book | | ^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 |  | | Journal (article/letter/editorial) | | SKARNS FROM THE NORTH-WEST BORDER OF THE DARTMOORGRANITE,DEVONSHIRE,ENGLAND M. A. H. EL SHARKAWl...within the contact metamorphicaureole on the north-west margin of the Dartmoor granite. Tin is concentratedin...SnO2, centeredon the Red-a-yen Mine at Meldon near Okehampton,lies within a much wider zone of iron-metasomatism...Geochemical prospecting(4) has shownrecentlythat at Meldon the same deposits havea lenticularshapeconfinedwithinthe...the confluence of the Flushcombe Brook with the West Okement River. The mine "In 1870 was 24 fathoms |  | | 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 |  | | Journal (issue) | | 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” |  | | Catalog/List | | the speci es. Locality. including name of mine or quarry, nearest town and county, and six figure National...Loanhead quarry TallskerBay Whyte'a Cleuch Loanhead quarry Port Glasgow Loanheadquarry Loanhelld quarry Loanhead...Loanhead quarry Benalltmlne BMS NATIONAL REFERENCE COUECTION Ecton.Staffs. Ecton.Staffs. Scordale,Cumbria...Beach Clevedon Beach Clevedon Beach Clevedon Beach Meldon apllte q. Fallowfield mine East Gunnislake Struan...Avon Bristol.Avon Bristol.Avon Bristol.Avon Okehampton,Devon Hexham,Northumbr. Cornwall Cutting on A863 |  | | Catalog/List | | 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 | | | 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 | | 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 | | Daniell Rd, Truro, Cornwall TRI 2 DA England Tel. 01872 223 227 (Tel. UK Time 8am -9pm) Fax. 01872 262 232...xtls to 6mm forming continuous druse wi1h a little pyrite on flat greyish matrix D SPC. C £6 OC)08 CELESTITE...greyish green matrix.RF SPC. C.£15 0014 XONOTLITE.Bin Quarry,Hunlley,Aberdeen,Scolland Radiating off while lo...scalenahedra dusted '.",1lh sl1ghlly iridescent pyrite marcasine Pretty RF SPC. C £25 0019 JET,Whitby...matrix.G RF SPC. C £4 0025 CHLORlTE afler AXINITE,Meldon Aplile Quarry.Meldon,Devon.Dark chocolatey brown |  | | 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 |  | | Journal (article/letter/editorial) | | ilsemannite(?), lepidocrocite, molybdenite(?), pyrite, sulphur, tachhydrite(?),talc, tamarugite(?), thenardite...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 |  | | Catalog/List | | S/3 visible dark grey-red areas in matrix with pyrite. (Peru) 1x1 £3.50 1x2 £6.00 COPPER M I NERALS...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 |  | | Journal (article/letter/editorial) | | mineralised zones on the north-western edge of Dartmoor, Devon T. J. BRZOZOWSKI BRZOZOWSKI, T. J. 1975. Very Low...mineralised zones on the north-western edge of Dartmoor, Devon. Proc. Geol. Ass .. 86 (3), 287-306. A Very Low...lithologically controlled anomalies running close to the Meldon Chert Formation of the Lower Carboniferous (Dinantian)...within the contact metamorphic aureole on the north-west edge of the Dartmoor Granite. The area is covered...farther south. The Meldon Chert Formation forms the top of the Dinantian in the Okehampton area and is a calcareous |  | | Journal (article/letter/editorial) | | 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...chalcocite or pyrrhotite. Scattered concentrations in pyrite relate to impurities rather than incorporation |  | | Catalog/List | | EOCKS AHD MINERALS Ho U available. NEW STOCK Devon and Cornwall pages 8 S 3 : ALLOPHANE, ARTHURITE...S/3 visible dark grey-red areas in matrix with pyrite. (Peru) 1x1 £3.50 1x2 £6.00 1 298 BISMUTITE Bi...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 |  | | Catalog/List | | well. 60x50x25mm. £18. 3. APATITE. Kessel Dows Quarry, Penryn, Cornwall. A 20x15mm cavity in pegmatite...80x70x40mm. £20. 8. AUTUNITE. Marivale Quarry, Dartmoor, Devon, A joint plane on granite about half covered...under SW and LW U.V. 70x60x25mm. £12. 9. AZURITE. West Caradon Mine, St Clear, Cornwall, in veinstone matrix...chalcocite. 70x30x18mm £15. 19, CHALCOPHYLLITE.. West Caradon Mine, St Clear, Cornwall. Small piece of...30x40x30mm. £30. 22. CHLORITE after AXINITE. Meldon, Okehampton, Devon. An interesting group of intergrown axinite |  | | Journal (volume) | | Tindle 23-25 PAPERS Danburite from Meldon Quarry, Okehampton and other UK localities Michael S. Rumsey, George...professional mineralogists and geologists both in the UK and overseas. One of the main aims of the Society...years ago the UK still had an active metalliferous mining industry, predominantly in SW England, and fluorspar...world class Hemerdon tungsten and tin deposit in Devon is forging ahead with the company focused on developing...interest in re-evaluating deposits in the north of England, and it has also been reported recently that the |
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