 | | Journal (issue) | | elements in Permo-Triassic red beds of south-west England, by R. K. Harrison, M.Sc. with contributions by...Brannel, South Crofty and Wherry el van dykes, Cornwall, by J. R. Hawkes, Ph.D., R. R. Harding, D.Phil...· 55 VI. An occurrence of sapphire in the Land's End Granite, Cornwall, by A. C. Wilson, B.Sc., Ph...Flo. 2. Simplified geological map of south-west England showing the location of the Brannel, South Crofty...ELEMENTS IN PERMO-TRIASSIC RED BEDS OF SOUTH-WEST ENGLAND BY R. K. HARRISON, M.Sc. with contributions |  | | Book | | district featured on Maton 's geological map of Cornwall in 1797 and accounts, both of the minerals and...Memoir for 1: 50 000 geological sheets 351 and 358 (England and Wales) LONDON: HER MAJESTY'S STATIONERY OFFICE...British Geological Survey, Sheets 351 and 358 (England and Wales). Authors A J J Goode, BSc and R T Taylor...Rectilinear jointing in granite cliffs 3 3 Trendrine Hill. Granite tors 4 4 Cliffs, south of Godrevy Point...intruded into Devonian sedimentary rocks 20 10 Zennor Hill. The 130 m erosional surface to the north of the |  | | Journal (issue) | | hardness of 10000 kg/mm 2 ; equivalent values are sapphire 1200, spinel 1730, YAG 1600, strontium titanate...could be used with other gemstones, such as ruby, sapphire or emerald. R.A.H. LEHMANN (G.). Bemerkungen zu...cein a natural sapphire. Australian Gemmologist, 1974, 12, 94. A cut Ceylon sapphire with strong colour...WILSON (A. C ) . An occurrence of sapphire in the Land's End granite, Cornwall. Bull. Geol. Surv. Gr. Britain...square metre in megacrystic coarse granite at Trencrom Hill, in the north-eastern part of the Land's End |  | | Book | | There have been !)lines in Cornwall for some 3500 years where the intrusion of huge masses of granitic...significant minerals to come out of southwest England. The accompanying captions describe the crystallographic...t). ~ e • ~t~' l lr\ V: 1 'I Minerals of Cornwall and Devon Joseon1ne Community Llbral1es Grants...Embrey. P. G. Minerals of Cornwall and Devon. 1. Mines and mineral resources;--England --Devon 2. Mines and...and n1ineral resources --England--1Cornwall J. Title IL Symes. R. F. 549.9423'5 QE262.D45 ISBN 0-56 5-009 |  | | Book | | PO Box 315. Harpenden. Hertfordshire AL5 2ZD. England Telephone: +44 (0)1582 762413 Fax: +44 (0)870 055...the production of e0pper. the mining areas of Cornwall and Devon became important producers of b th tin...Oxford University Museum of Natural History; Royal Cornwall Museum, Truro; Sedgwick Museum, University of...1\llaga::i11e, on minerals from localities in Cornwall. Devon. Cumbria and Yorkshire. He was renowned...theLakeDistrictandCornwall (izoklakeite}" WhealCock,StJust,Cornwall SouthTerrasmine,StStephen•in-Brannel. Comwa!I |  | | Journal (volume) | | Report Broken Hill Block 10 I Report ...... 460 Report Report Report Broker, Hill South, Flotation...Flotation at. Broken Hill Strike BrokPli Hill, Zinc Production at.. Bromo-Cyanogen Patents.. Broomassie Mines...PAGK Broken Hill Block n Broken Hill, British... Broken Hill Labour Troubles. Broken Hill, North Broken...Broken Hill Proprietarv ... Broken Hill South.. Broken Hill South Extended Building Stones and Clay Product)...Silver i 154 i Reporl Repot Report 147 17 Hill... Cobalt Conglomerate Nickel-Copper Ores [p.t |
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