 | | Journal (article/letter/editorial) | | E. H. Davison—Castle-an-Dinas Wolfram Mine. 347 under this name seem to belong to Kayser's species...(Torquay Museum.) On the Geology of Castle-an-Dinas Wolfram Mine. By E. H. DAVISOX, B.SC. fFHERE are...named Castle-an-Dinas in West Cornwall, •*- one near Penzance and the one on which the Wolfram Mine is situated...about 2 miles east of St. Columb Major and about 4 miles to the north of the St. Austell granite mass... pp. 173, 225. 348 E. H. Davison—Castle-an-Dinas Wolfram Mine. The hill rises 700 feet above sea-level |  | | Journal (article/letter/editorial) | | Vol. XXVIII On rashleighite, a new mineral from Cornwall, intermediate between turquoise and chalcosiderite...mineral here described was at first considered to be an iron-rich T variety of turquoise and was described...localities, Bunny mine, St. Austell, and Castle-an-Dinas wolfram mine, St. Columb Major. As a result of... and forming a middle member of what is probably an isomorphous group. The name rashleighite commemorates...R.S., F.G.S., F.S.A., 1729-1811, of Menabilly, Cornwall, one of the earliest of Cornish mineralogists |  | | Journal (article/letter/editorial) | | THE MINERALOGICAL MAGAZINE AN I) J O U R N A L OF T H E M I N E R A L O G I C A L SOCJETY No. 161 June...information that the material came t'rom the Castle-an-Dinas wolfram mine, and contained bismuth and tungsten...was begun. The mineral has all tile attributes of an alteration product probably of native bismuth. It...mineral. Spectrographs of the two are identical, but an X-ray powder photograph of the green mineral is quite... H . H E Y , F. A. BANNISTER, AND A. RUSSELL ON An examination of the X-ray powder photograph of the |  | | Journal (article/letter/editorial) | | No. 106. September, 1924. Vol. XX. Topaz from Cornwall, with an account of its localities. By Arthur...Russell. [Read January 15, 1921.] rpOPAZ, so common an accessory in tin lodes in all parts of the world...hitherto been looked upon as comparatively rare in Cornwall. When massive, or even in the form of small, well-developed...cursorily to be mistaken for quartz. The presence of topaz as a microscopic accessory in granite, greisen,...considerable mass, thus affording evidence that topaz is in Cornwall, as in the case of other countries, a comparatively |  | | Report (issue) | | 1.60 Total 100.48 94.15 100.00 (1) Castle-an-Dinas mine, England. (2) Flo property, Canada; by electron...85 Fe0.15 )Σ=1.00 O6 . (3) Bi2 WO6 . Occurrence: An alteration product of earlier bismuth minerals in...cassiterite, topaz, muscovite, tourmaline, quartz. Distribution: In England, at the Castle-an-Dinas mine, St.... Columb Major, and the Hingston Down quarry, Calstock, Cornwall; and from Buckbarrow Beck, Corney Fell...Himmelsfürst mine, Erbisdorf, near Freiberg, and at Altenberg, Saxony, and in the Clara Mine, near Oberwolfach |  | | Report (issue) | | Mineral investigations near Bodmin, Cornwall. Part 5-The Castle-an-Dinas wolfram lode BRITISH GEOLOGICAL...Mineral investigations near Bodmin, Cornwall. Part 5-The Castle-an Dinas wolfram lode K. E. Beer, BSc, CEng...geochemical maps of p arts of south Devon and Cornwall 45 Mineral investig ations near Bodmin, Co·nwall...copper occurrence in the Tremayne area of St Columb Major 46 Gold mineralisation at the southern margin...Wheal Reeth, Godolphin, Cornwall 82 Mineral investig ations near Bodmin, Cornwall. Part 4-Drilling at Royalton |  | | Journal (article/letter/editorial) | | and 161lingite at the New Consols mine, Stolce Climsland, Cornwall. By P. G. EMBREY, B.A., B.Sc., A.R...trace elements in the New Consols mine, Stoke Climsland, Cornwall. Unfortunately, I was unable to collect...presence on a specimen was recognized only after the mine had been abandoned and become flooded. This locality...of the small number of reported occurrences in Cornwall. S BERYL. The beryl was found in specimens...52-fathom level. Most of the pegmatite, which has an ill-defined junction with the surrounding killas |  | | 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 |  | | Journal (article/letter/editorial) | | elvans and lamprophyres. Geoscience in South-West England, 13, 459-470. The TellusSW survey of 2013-4 consisted...Radiometric data are particularly useful in providing an overview of units within individual granite plutons...and eK. Rose Cottage, Church Hill, Calstock, Cornwall, PL18 9QQ, U.K. and Camborne School of Mines,... INTRODUCTION Geological mapping in Devon and Cornwall and subsequent interpretation is often difficult...magnetic surveys were first flown in Devon and Cornwall in 1956 and 1957-9, respectively. Regional geochemical |  | | Report (issue) | | Mineral profile Mi neralsUK C en t re f o r su st ain ab le m in eral d evelo p m en t January 2011...element known to be used by any living organism and is an essential nutrient for some bacteria. However, it...temperature increases; a low coefficient means that an element expands little as temperature rises. 3 Tungsten...and tin-bearing vein from Hemerdon deposit, Devon, UK. The tungsten is present in wolframite, the dark...in Table 2. 4 Non-stoichiometric compounds have an elemental composition that cannot be represented |  | | Journal (article/letter/editorial) | | Sn-W mineralisation in peninsular Thailand and SW England D. A. C. Manning Department of Geology,The University...Newcastle-upon-Tyne,NE1 7RU, England Abstract. The Sn-W deposits of SW England and SE Asia are associated...vein systems are only locally important. In SW England, wolframite and cassiterite mainly occur in hydrothermal...late-stage granitic rocks occur also in SW England, but a later topaz granite, enriched in F, Li and P, also...have formed by late magmatic crystallisation from an aqueous phase enriched in metals and derived by exsolution |  | | Journal (article/letter/editorial) | | above the Waehneroceras horizon followed above by an Alsatites laqueolus horizon. The Schlotheimia angulata...few other localities. Arthur Russell: Topaz from Cornwall, with an account of the localities, old and new...of topaz in Cornwall are described, as also new ones at Castle-an-Dinas Wolfram Mine, St. Columb Major;...Major; Belowda Beacon Mine, Roche; Beam Mine, St. Austell; and Mulberry Mine, Lanivet. Crystals from most...of forms. It is shown that at several localities topaz is present in considerable quantities in the cassiterite-wolfram |  | | Book | | undifferentiated Head Raised Beach Solid formations Pliocene St Erth Beds Devonian M ylor Slates Gramscatho Beds...copper since the Bronze Age. Only the Geevor tin mine was still open in 1986, but the vigorous development...district featured on Maton 's geological map of Cornwall in 1797 and accounts, both of the minerals and...contemporaneous with the Mylor Slates, are described and an account is given of their folding and faulting during...late Carboniferous. They are described in detail and an account is given of their metamorphic aureoles. Other |  | | Journal (article/letter/editorial) | | PROSPECTIVITY OF BAYES’ THEOREM TUNGSTEN IN SOUTH-WEST ENGLAND USING M.W.C. BARR 1 AND R.C. SCRIVENER 2 Barr...tungsten in South-West England using Bayes’ Theorem. Geoscience in South-West England, 13, 274-285. Bayes’...surrounding country rocks of the southwest peninsula of England. The approach uses the distribution of known tungsten...the eastern margins of the Carn Marth Granite to St Agnes and Cligga Head with small outliers elsewhere...South-West England. INTRODUCTION METHOD The southwest peninsula of England has been an important source |  | | Report (chapter) | | building and decorative stones of Cornwall, UK COLIN M. BRISTOW Cornwall Geoconservation Group, Ty Gwyn...Gwyn, 46 Chatsworth Way, Carlyon Bay, St Austell, Cornwall, UK (e-mail: mail@colinbristow.com) Abstract:...varied suites of igneous and sedimentary rocks, Cornwall has a rich variety of building and decorative...such as elvan and sandrock, do not occur outside Cornwall, so local stone provides much character to the...Carnmenellis Granite (mainly in Mabe parish), in the St Austell Granite (Luxulyan, Carn Grey and the china |  | | Journal (article/letter/editorial) | | Geoscience in south-west England ASPECTS OF THE LITHOGEOCHEMISTRY OF ARSENIC, ANTIMONY AND BISMUTH...BISMUTH IN SOUTH WEST ENGLAND T. K. BALL, N. J. FORTEY AND K. E. BEER Ball, T.K., Fortey, N.J. and Beer, K...antimony and bismuth in south west England. Geoscience in south-west England, 10, 352-357. As, Sb and Bi are...mineralisation and it is often difficult to determine an effective background level resulting from widespread...contain much lower levels. Tourtelot (1964) noted an average for shales of about 13 ppm in offshore marine |  | | Journal (issue) | | into the geology and geomorphology of south-west England Volume 6 Part 4 1987 Edited by G.M Power The...into the geology and geomorphology of southwest 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 formally...SHEPHERD: Chronology of magmatism in south-west England: the minor intrusions. B. BOOTH and C.S. EXLEY:...pervasive hydrothermal alteration in the St. Austell Granite, Cornwall. M. STONE: Geochemistry and origin of |  | | Catalog/List | | RICHARD W. BARSTOW 26, Tregeseal, St. Just Near Penzance, Cornwall, f , England. ORDERING INFORMATION Mail... 2x2". £3. 2. ANDREWSITE. Phoenix Mine, Linkinhorne, Cornwall. Light brownish yellow spherical aggregates...£4. 6. BAYLDONITE. Wheal Carpenter, Gwinear, Cornwall. Rich, apple green crust of micro crystals covering...BEUDANTITE. ^. — 11 8. BORNITE. Carn Brea Mine, Illogan, Cornwall. 1" group of large sharp tarnished intergrown...crystals. £3- 9. BORNITE. South Caradon Mine, St. Cleer, Cornwall. A rich solid mass of tarnished Bornite |  | | Report (issue) | | MEMO.IRS OF THE GE()LOG-ICAL SURVEY ENGLAND AND WALES. EXPLANATION OF SHEET 347. THE GEOLOGY OF THE...THE COlJNTRY AROUND BODMIN AND ST. AUSTELL BY w. A. E. USSHER, G. BARRo,v, AND D. A. MAcALISTER, A.R...LONG ACRE, LONDON ; w. &· A. K. JOHNSTON, LTD.! 2, ST. ANDREW SQUARE, EDIKBURO.H; HODGES, FIGGIS, & Co...MacAlister £01· the northern part of the gr�nite mass of St. Austell with the adjacent sediments, and Mr. Usshe_r...and Museum of Practical Geology. •· LIST 6f CORNWALL. 32. NE., by C. Reid ; 32 SE., by C. Reid, G |  | | Book | | Collectors Guide to ^MINERALS, ROCKS and GEMSTONES \in Cornwall and Devon |'; '’i '■-■ ,, t Cedric Rogers...Collector’s Guide to 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...r?°'%S Miu- Man-fa-nese. 6% tintagel/x 5 b - An(imoiU| LAuNccsroH papsrpiu ... ’’fe, -'A Sr A6Nfl^ fe'Pk :. g,TRURO <4 J -St AUS FELL S’ LAND'S EHdG HOUMTSS. HEL5TOW PENZANCEJH |  | | Book | | Twelveheads Press PO Box 59, Chacewater Truro, Cornwall TR4 8Z}. especially true of its minerals, some...clay workings have created a unique landscape around St Austell. Tin, copper, lead, zinc and other metals...rocks lie at the bottom of a sequence, but in Cornwall this becomes far from simple where rocks have... i he hia rte hd Db lle A \ IC ATION et OE hb an TIME BEGUN (million years before present) O' ‘ATERNARY...processes have been active throughout time, with major changes brought about by mountain-building phases |  | | Journal (article/letter/editorial) | | Wolfsberg, Harz, gersdorffite, 38. British Isles :ENGLAND Barwell, Leicestershire, meteorite, 101, 855. Bigrigg...Wold Newton, Yorkshire, meteorite, 101,855. Cornwall St. Minver, minverite, kaersutite, 874. The Rill... 1078: Castle an Dinas quarry; Cripple's Ease quarry; Great Zawn, Zennor; Knill's Steeple, St. Ives;...Trelavour clay pits and St. Roche Rock, St. A ustell ; St. Mewan Beacon; St. Michael's Mount ; Tregarden...quarry; Sheltor ; and Staple Vor. WALES Benallt mine, Caernarvonshire, bannisterite, ganophyllite, 893; |  | | Catalog/List | | WICK CARRUTH Copse Cottage Drakewalls Gunnislake Cornwall PL18 9EG Tel/Fax: Tavistock (01822) 832530 *...MAY/JUNE 1907 *1. AGARDITE. Wheal Carpenter, Hayle, Cornwall. Iron stained quartz matrix showing micro green...APATITE (VAR IRANOXITE) , '.I?.!- _rs Mine, Gunn' . . "■nrnwall. An interesting cellular mass of pinkish...antimony. 35x20x7mm. £28. 4. ATACAMITE. Mount Gunson Mine, South Australia. A nice hemispherical mass of intergrown...30x20x10mm. £6. 6. BORNITE. Carn Brea Mine, Illogan, Cornwall. A dark chalcocite/chalcopyrite matrix |  | | Catalog/List | | DECEMBER/JANUARY 1995 1. ALSTONITE. Brownley Hill Mine, Alston, Cumberland. About 30 greyish-white pyramidal...matrix. 60x35x30mm. £58. 2. APATITE. Panasqueria Mine, Portugal. Nice lustrous double sided group of pale...30x15x15mm max. £28. 6. AZURITE. La Sal, Utah, USA. An intergrown group of sharp dark blue xls to 3mm partly... BINDHEIMITE AND CERUSSITE. Trevinnick Mine, St Kew, Cornwall. A good solid mass of yellow bindheimite...E "FRANCOLITE". Gunnislake Clitters Mine, Chilsworthy, Cornwall. A 40x30mm area of granite matrix covered |  | | Book | | Igneous Rocks of South-West England THE GEOLOGICAL CONSERVATION REVIEW SERIES The comparatively small...small land area of Great Britain contains an unrivalled sequence of rocks, mineral and fossil deposits...as comparative standards, have given these islands an importance out of all proportion to their size. The...of the site), an introduction (with a concise history of previous work), a description, an interpretation...in the series 1. Geological Conservation Review An introduction 2. Quaternary of Wales S. Campbell |
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