 | | Journal (article/letter/editorial) | | mineralised granite aureoles Geoscience in south-west England, 10, 042-049 The REE distribution patterns in...Tregonning Granite aureole, have shown that there is an increase in the REE contents close to the contacts...depletion anomalies and that reliance on this feature as an indication of granite differentiation is suspect...showed that oxidation of Ce3+ to Ce4+ takes place in an alkaline environment under surface conditions. In...in Figure 1. Exley et al. (1983) proposed three major granite types (A, B and C) with two further variants |  | | 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) | | 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 |  | | 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) | | 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 |  | | 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 |  | | 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 |  | Clark, A.H., Chen, Y., Farrar, E., Wasteneys, H.A.H.P., Stimac, J.A., Hodgson, M.J., Willis-Richards, J., Bromley, A.V. (1993) The Cornubian Sn-Cu (-As, W) Metallogenetic Province: product of a 30 m.y. history of discrete and concomitant anatectic, intrusive and hydrothermal events. Proceedings of the Ussher Society, 8 (2) Ussher Society. | Journal (article/letter/editorial) | | the Pennsylvanian to the Early Permian, spanning an interval of 25-30 m.y. U-Pb dates for magmatic monazites...lending support to an origin related to retrograde boiling of apical magmas. Major Sn-Cu lode development...the lodes of the South Crofty mine took place prior to intrusion of the St. Austell and Land's End plutons...M. J. Hodgson, South Crofty Mine, Dudnance Lane, Pool, Redruth, Cornwall TR15 3RS. J. Willis-Richards...Rosemenowas, Penryn, Cornwall TR10 9DU. A. V. Bromley, Petrolab, Wilson Way, Pool, Redruth, Cornwall, TR15 3RS. |  | | 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 (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...Similar late-stage granitic rocks occur also in SW England, but a later topaz granite, enriched in F, Li and...have formed by late magmatic crystallisation from an aqueous phase enriched in metals and derived by exsolution |  | | 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 |  | | 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 |  | | Catalog/List | | BARSTOW 26, Tregeseal, st. Just, Near Penzance, Cornwall, England. TEL.No.: St. Just 880 (STD 073 677)...3xltxlt". £3.25. 4. ANALCIME. Dean Qry. st. Keverne, Lizard, Cornwall. A sharp translucent well formed whitish...encrusting a 2xl-t." area on a Quartzose veinstuff. An interesting old label accompanies this specimen.... ARSENOPYRITE: Hingston Qry., Nr. Callington, Cornwall. Select, sharp, silvery single crystals and crystal...inside. lisl-l-xl-t". £7.00. BARYTES. Settlingstones Mine, Hexham, Northumberland. Specimen A - Choice, lustrous |  | | 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) | | cristobalite is generally accepted as associated with an abundance of mineralizers and the presenceof gas...equipment. Books were shown by several publishers. An exhibit of changing lights shining up through a specimen...cutting and polishing objects composed of onyx and fluorite was very instructive for the amateur lapidaries...giving accurate results, used in conjunction with an ordinary microscope, was demonstrated by Lyman Nichols...results of some of his work of the earth's crust, with an explanation of his unexpected discovery of its concentration |  | | 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 |  | | 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 |  | | 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 |  | | 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 | | Localitv Peru Broken Hill Australia Crow Hill Mine, Cornwall Kildonan Burn Sicilv Elba Glen Strathfarrat...Realgar & Orpiment Realqar Cinnabar Stibnite Galena, Fluorite and Barvte Pyrite & Marcasite Jamesonite Chalcopyrite...Wheal Andrew, Cornwall Israel Sutherland Scotland Cardiff, Ontario, Canada Lizard, Cornwall Pacific Ocean...Ocean Lizard Cornwall Ashover Derbyshire Eire Gwenap, Cornwall (Lowe) Aberfeldy, Scotland Brein Lecanvie...Yorkshire Yakutia Russia Milos, Greece Wheal Andrew Cornwall Bala Wales A1 A1 A1 A1 A1 A1 A1 A1 A1 A1 A1 A1 |  | | Journal (issue) | | Cumbria, England B. Young , N. J. Fortey and P.H.A. Nancarrow 3 Lead-molybdenum mineralization in an ancient...D .H .M. Alderton 17 The Mineralogy ofWapping Mine, Matlock Bath, Derbyshire F. fnce 25 13 NOTES...N. Hubbard 35 Strontianite from Brownley Hill Mine, Nenthead, Cumbria M . Wood 35 Secondary copper...at Kings College, London, He subsequently took up an appointment with the London and South Western Railway...visit underground in a working mine, at Wheal Providence, St. Ives, Cornwall, being about 8 years old at |  | | Journal (issue) | | UK j min~/1minerals C I 11 lNTS 200~ I 2 EDITORlAL: SPEClALISATION COVER:A fluoritecube 15...Nick Carruth • Ron Cleevcly • David Green 7 The UK ]011mal of Mines and Minerals publishes articles...DESIGN Julie Ballard 47 PETITJEANITE FROM CAR.ROCK MINE Mike Rumsey • Trevor Bridges • John Spratt The... 50 PREISINGERITE & ROOSEVELTITE FROM CARROCK MINE Mike Rumsey 53 NEW CLIFFE HILL QUARRY Trevor Bridges...with a reasonable geographical distribution, perhaps an interesting history, not too difficult to find at |  | | Journal (article/letter/editorial) | | Chemical variation in tourmalines from south-west England By G. M. POWER~ Department of Geology, University...tourmaline from the granitic rocks of southwest England have been analysed by emission spectrography for...growth. H E geology of the granites of south-west England is reviewed comprehensively by Exley and Stone...characterized by the presence of lithium micas or fluorite. Tourmaline is a common accessory mineral of the...were obtained from crushed samples of the rock using an isodynamic magnetic separator. Each concentrate was |  | | Catalog/List | | colourless cryst al s to t ot in. si ze f orming an int er grown group. 1x1 " , £8 . 00 2. APATITE ....er f ormi ng an int e locki ng group . 3tx<$<2 " , f.11 . oo 4. NATIVE ARSENIC. Kusa Mine . Oau , Sar...e arsenic wit h mi no r amounts of cryst al lised St i bnite and Quartz. 3t-x2tx1i " , £24 . 00. SpeCimen...clove- brown cryst al s to t ot i n s i ze f ree- st anding on matri x wit h a l i t tl e cryst alli sed...abul ar cr yst al s to nearly i " in s ize f orming an attractiv e gr oup with no matri x , and with a littl |  | | 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 |
|
