 | | Journal (article/letter/editorial) | | Geoscience in south-west England MONAZITE IN POLYMETALLIC CHLORITE-(TOURMALINE)-QUARTZ-(FLUORITE)CASSITERITE-SULPHIDE...CHRONOLOGY OF MAGMATIC HYDROTHERMAL MINERALISATION IN CORNWALL N.G. LEBOUTILLIER 1, R.K. SHAIL 1 AND C. JEWSON...hydrothermal mineralisation in Cornwall. Geoscience in south-west England, 10, 403-409. Monazite [(Ce,...hydrothermal lode systems of Cornwall than has been previously recognised. In situ and mine dump specimens analysed...the chronology of granite magmatism across SW England using U-Pb monazite and xenotime methods have not |  | | Report (volume) | | : : The history of 1nining for copper-ore in Cornwall and J)evon goes back no doubt to a remote period...has been made to describe every mine ,vhich has yielded copper in Cornwall and Devon. In order to bring...information up to date Mr. Dewey has visite.d everv active mine and rnanv of those recentlv abandoned • • • or of...historic importance. Our thanks are due to t,he present mine managers for their courtesy and assistance. :Full...been made of the published accounts of mining in Cornwall and Devon, and reference to the principal sources |  | | Catalog/List | | gemmy blue crystal 1 'h ins. long £150 Corconda Mine, Minas Cera,s, Brazil APOPHYLLITE - a 2 inch spray...crystals in vug in limestone, 5 ins. x 5 ins. Muzo Mine, Colombia £ on application FLUORITE - mauve fluorite...fluorite with dolomite 3 x 2½ ins. Shangbao Mine, Hunan Province, China £60 SIDERITE - a 3V2 inch crystal...cassiterite crystals 31/2 x 21/2 ins. £260 Juan Delvalle Mine, Uncia, Bolivia LAZULITE - dark blue crystals 2... OTHER NtEW ACQU�S�lONS CREEN FLUORITE Okurusu Mine, Namibia Fine green to blue crystals in I x 1 inch |  | | Book | | by Alison Hodge, 2 Clarence Place, Penzance, Cornwall TRI8 2QA, www.alison-hodge.co.uk, info@alison-hodge...Cornish minerals. Thanks also to Michael Merry of Cornwall Devon Mineral Specimens (www. cornwalldevonmineralspecimens...taken by him of the botallackite in situ, Wherry Mine pump column and wolframite outcrop. Two private...Sara Chambers, Collections Manager, the Royal Cornwall Museum, Truro (www.royalcorn- wallmuseum.org...Landreath to Linkinhorne East Cornwall: Callington to Calstock Rocks of Cornwall Precious Metals and Semi-precious |  | | Book | | Endsleigh House 50 Daniell Road Truro, Cornwall TR1 2DA England Printed in Great Britain by Short Run...that he knew of no place on earth that surpassed Cornwall in the number and variety of its minerals. Hogg's...is subtitled 'in wich [sic] is shown how much Cornwall contributes to the illustration of the science'...later by Collins' A Handbook to the Mineralogy of Cornwall and Devon' (1871; 1892 with addenda, the latter...mention Purser's 'Minerals and locations in S.W. England' (1974). The work was never published, although |  | | Catalog/List | | Apatite (Var: Francolite). Geevor Mine, Pendeen, West Cornwall. An altered Chloritic matrix with overforming...e/Native Bismuth. Penlee Quarry, Newlyn, West Cornwall. A hilly and sculpted Chloritic matrix indurated...Lode West 420 fm level, South Croft Mine, Pool, Central Cornwall. An interesting and rare Cornish phenomena...£25.00 05. * Axinite. Carn Vellan near Botallack, St Just, West Cornwall. Large, sharp, terminated...ra/Pyrnmnrphito/ramccitp Penberthy Crofts Mine, St. Hilary, West Cornwall. A vuggy completely encrusted matrix |  | | Journal (article/letter/editorial) | | MAP \ OF CORNWALL SHOWING GRA N ITE MASSES AND T H E PRINCIPAL LODES. 'l::j ~ o r g; o eLAUNCESTON...face p. r07. 10 THE MINERAL 7 ZONES OF CORNWALL. By HENRY DEWEY. l'residcntial Address, Read...sequences of mineral deposits in the mines of Cornwall and Devon has been familiar to all. The papers...classic work on " The Metalliferous Deposits of Cornwall and Devon" (1)* is still an indispensable book...do not all occur together in the same part of a mine, there are so many exceptions to the commonly accepted | | | Book | | Designed by BDP - Book D evelo ion,/ enzance, Cornwall o part of this 'Nork may be pho ocop:ed, stored...Introduction 4 About this Book 9 Geology and Mine ralization 14 The D istricts 24 24 29 West Penwith:...Linkinhorne East Cornwall : Callington t o Calstock 36 40 45 50 56 61 66 70 74 Rocks of Cornwall 78 Precious...amethyst. Wheal Jane, near Truro (le(t) . Bornitc, Corn Brea Mtne, Redruth (nght) As a young boy, I looked into...physical properties of minerals (pages I I 0- 1 I). Cornwall, for its size, has one of the most diverse ranges |  | | Journal (article/letter/editorial) | | , C u F e S , was called "horse-flesh ore" in Cornwall in allusion to the brownish bronze color of fresh...crystallized bornite speci mens from two new occurrences seems noteworthy. 5 4 Crystallography BORNITE CRYSTALS...Oxford Street Cambridge, Massachusetts 02138 Bornite belongs to hexoctahedral class (4/m 3 2/m) of the...introductory mineralogy textbooks, are the only ones that bornite can assume, either alone or in combination. Typically...forms have not yet been observed on bornite crystals. Moroccan Bornite At the 1985 Munich mineral show, |  | | Report (issue) | | and tin-bearing vein from Hemerdon deposit, Devon, UK. The tungsten is present in wolframite, the dark...the Czech Republic through France and south-west England and into Spain and Portugal also has some important...typified by the Cornubian orefield in south-west England (see section on Britain). Tin, copper, lead-zinc...deposits are a particular type identified at the Climax Mine in Colorado, USA. 24 Stock: an intrusive mass of...beryl and spodumene35. Examples include the Wodgina mine in Western Australia, and Kular and Priskatel in |  | | Catalog/List | | Woodcockshayes, Halberton road, Willand, Devon, ENGLAND EX15 2QF Tel/Fax (01884) 821563 Catalogue 2/1997...CARROLLITE I I (5cm x 4 cm x 3.5cn>) Mashamba West Mine. Shaba Province. Zaire A composite oystal group...& QUARTZ & CALCITE (7cm x 7cm x 5cm) Dalnegorsk Mine, Dalnegorsk, Russia An impressive very sharp well-formed...CRYSTALLISED NATIVE SILVER (4cm x 3cm x 1cm) Sierra Nevada Mine, Batopilas, Mexico A beautiful example of herringbone...ROSE QUARTZ & SMOKY QUARTZ (4cm x 4cm 2cm) Piftorra Mine, Galileia, Minas Gerais, Brasil A very pretty specimen |  | | Journal (article/letter/editorial) | | MONAZITE-SULPHIDECHLORITE ASSEMBLAGE OF NORTH TINCROFT LODE N. G. LEBOUTILLIER1, R.K SHALL1 & C. JEWSON...assemblage of North Tincroft Lode. Geoscience in south-west England, 10, 050-057 North Tincroft Lode (New Cook's...Cook's Kitchen Mine) forms a segment of an ENE-WSW-striking lode structure that can be traced for —2 km...common cassiterite, chalcocite, chalcopyrite, bornite, cuprite, ilmenite, goethite, langite, brochantite...pyrrhotite, sphalerite and apatite. The North Tincroft Lode, with its cassiterite-sulphide-chlorite assemblage |  | | Catalog/List | | STD 073 677> S-c. J:lS"t, Penzance, Cormlall, England • ------_. -.- ~"Just V.A.T.No.: 132-7852-67...Ferritungsti e, lxl". £1. 50. .P1I.TITE. Carrock Mine, Caldbeck, Cumberland. Pale sea-green and creamy...assoclatlon. 32x22x12' £11. --hURIClbL-:;ITE. Char..Kounhi Mine, Iran. Light turquoise. blue attractive bladed crystal...~+ ~ attached. 3-~x2". £4.50. ChLCITE. Tynebottom Mine, Garrigill, Cumberland. Translucent, v/ell formed...2tx2"::dt", £2.5"0. ~LCITE. Botallack Mine, st. Just~ Cornwall. Unusual, creamy coloured, modified crystals |  | | 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 |  | | Report (issue) | | Sheet 352 of the ne,v series one-inch 1nap of England and Wales. . The orig:inal geological st1rvey ...III.--1 he Ca111borne tnining district ,vith Carn Brea in the distance . . . ... ... PIJATE IV.--Su11ny...stages of ... ... ... the process . . . PLATE VII.-Carn Brea. Granite tor ,vith stratiforrn ... ... ... v,reathering.... � Croft)" lVline. ( 13 ) Cat111ter lode, East Pool ... ... Mi11e ... ... Pr_JATE XI.-Speci111ens of...tour111aline peacl1 ce111e11ted by quartz. ( b ) East Pool. Quartz , ,volfram , and 1nispickel. (c) Dolcoath |  | | Journal (article/letter/editorial) | | Washington, DC 20013 pohwatp@si.edu Bornite Dzhezkazgan Mine, Dzhezkazgan Karagandy Province, Kazakhstan...species whose occurrence as crystals is a rarity is bornite, a common mineral found in many copper deposits...deposits as massive lumps. The scarcity of bornite crystals is always mentioned in textbooks and field guides... who writes “Crystals of bornite are of rare occurrence.” Although bornite crystals will not win any...for bornite is Cu5FeS4. Bornite crystals are orthorhombic with point group 2/m 2/m 2/m. Bornite crystals |  | | Journal (article/letter/editorial) | | granitic tin-copper deposits, such as in Cornwall, England, to metamorphic settings, such as the Swiss...chalcopyrite, galena, acanthite, sternbergite, enargite, bornite, covellite, calcite, dolomite, siderite, barite...tennantite crystals with quartz from the El Cobre mine, Concepción del Oro, Zacatecas, Mexico. Cal and...exceptional 9-cm tennantite specimen from the Longfellow mine, Red Mountain Pass, Ouray County, Colorado. Dave...7 mm across from Wheal Gorland, St. Day, Cornwall, England. Dan Behnke specimen and photo. Figure 6 (far |  | | Catalog/List | | Gems Endsleigh, 50 Daniell Road, Truro, Cornwall TRI 2DA England Telephone 01872 223 227 Fax 01872 262...BINDHEIMITE & MALACHITE, Greystones Quarry, Lezant, Cornwall. R. GRF. Ml. £8.00 LAZULITE in QUARTZ, Zermatt...ARSENOPYRITE, Hue! Neotune, Perranuthnoe, nr Marazion, Cornwall. Almost P XN. GRF. C. £10.00 16 DIAPHORITE,...Quany, Callington, Cornwall. XR with wolframite. VGRF. SC. £12.00 22 GALENA, Foxrock Mine, Glendasan, Co...RWB. VGRF. Ml. £12.00 24 GALENA, Ballinafunshoge Mine, Glenmalura, Co. Wicklow, Eire. R. XN. RWB. RF. |  | | Book (volume) | | THE METALLIFEROUS MINING REGION OF SOUTH -WEST ENGLAND Volume 1 LONDON HER MAJESTY'S STATIONERY OFFICE... 1 1 1 1 1 1 1 .,pvii Description .)SG(England urv eol em M est -WSouth of Region Mining MINING...GREAT BRITAIN ENGLAND AND WALES The Metalliferous Mining Region of South - West England Volume I Ву...This account of the mining geology of south -west England summarizes the geological information gained during...the long history of mining in the counties of Cornwall, Devon and west Somerset . the territory in which |  | | Book | | A HANDBOOK TO THE MINERALOGY CORNWALL AND DEVON TRUR : PRINTED BY HEARD AND SONS, BOSCAWEN...BOSCAWEN STREET. HANDBOOK MINERALOGY OF CORNWALL AND DEVON, WITH INSTRUCTIONS FOE THEIR DISCRIMINATION...THE MINERS' ASSOCIATION OF CORNWALL AND DEVON; SECRETARY TO THE KOYAL CORNWALL POLYTECHNIC SOCIETY; OF THE...KOYAL GEOLOGICAL SOCIETY OF CORNWALL, AND OF THE ROYAL INSTITUTION OF CORNWALL, &C., &C. ASSOCIATE TRURO:...F.R.S., THB ELECTRICITY OF MINERAL LODES IN CORNWALL, AND OF MANY CORNISH MINERALS, (WHOSE OBSERVATIONS |  | | Catalog/List | | (MINERALOGIST) Levant Laboratory, Pendeen. Nr. Penzance, Cornwall, TR19 7LE SAM WELLER (MINERALOGIST) Levant...Levant Laboratory, Pendeen, Nr. Penzance, Cornwall, TR19 7LE Tel: (01736) 788286 COLLECTION DISPOSAL This...5x2x5/8", £8.75 A/4. ADAMITE. Kameriza Central Mine, Laurium, Attica, Greece. A sparkling lime-green...ANALCIME/NATROLITE. Dean Quarry, St. Keverne, Lizard, Cornwall. Pearly white to creamy, sharp well formed, dodecahedral...ANALCIME/NATROLITE/CALCITE. Dean Quarry, St Keverne, Lizard, Cornwall. Pearly white, large dodecahedral crystals, interformed |  | | Catalog/List | | 26, Tre6eseal, St. Just, Near Penzance, Cornwall, England. ...all times. FliIlRUARY 1923 1. 2. 3. 4. Mootna Mine, Yorke Pe~insular, South australia. DarJt greEn...calcite. lxl". £2. BISMUTH. Botallack Mine, St. Just, Cornwall. BriJht metallic cleavages, richly disselTlin... 11. 12. 13. 14. £6. BROCHANTITE. Grandvie,-l Mine, Grand Canyon, Arizona. l"ine velvety, crystalised...with minor Cyanotrichitc. £3. CALhVEhITE. Cresson Mine, ~ripple Creek, Teller Co., Colorado. Small brassy |  | | Book (volume) | | The Metalliferous MiningRegion of South-West England VOLUME I Assistant Director' s copy LIBRARY...GREAT BRITAIN ENGLAND AN D WALES The Metalliferous Mining Region of South-West England Volume I By H...Second impression with amendme111s /969 PrinlCd in England for Her Majesty's Stationery Office by Unwin Brothers...This account of the mining geology of south-west England summarizes the .iological information gained during...south-west of England was the first to be published, and his ' Report on the eology of Cornwall, Devon and |  | | Catalog/List | | BJIRSTOW 26, Tregeseal, st. Just, Near Penzance, Cornwall, England. ...1973 1. bP~TITE. Tregarden Quarry, Luxulyan, Cornwall. Specimen aSmall, bright sharp greenish blue modified...mineral. ltxlt". £10. 5. aZURITE. Proprietary Mine, Broken Hill, New South Wales, tlustralia. Bright...around l"xt" in size - £3 each. 7. BbRYTES. Hilton Mine, Scordale, Westmoreland. 1. large wellformed group...crystals being mainly transparent. £3.50. Golconda Mine, Brassington, Derbyshire. Light green radiated crystal |  | | Journal (issue) | | of mi nes UK & minerals summer 1997 number 2----------EDITORIAL Dtlf.!idGreen COVER: Chalcodte...Cook's Kitchen mine, Cornwall. Spedmen In the collection of the Royal Cornwall Museum. The UK Journal ofM;nts...SOCIETY Peter Moore • John Pearce 10 FORCE CRAG MINE Dtlf.!idGreen • DavidMcCa/lum • Mike Wood 15 MINERAL...Nom1an Thomson 17 SPONSORSHIP James Catmur ROYAL CORNWALL MUSEUM Roger Penhallurick 33 The views and opinions...through the appropriate channels. YSTRAD EINION MINE John Mason • Steve Rust 37 BOOK REVIEWS 45 CLASSIFIED |
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Tincroft Mine, Pool, Carn Brea, Cornwall, England, UK