 | | Journal (article/letter/editorial) | | —THE GEOLOGY OF THE DOLGELLEY GOLD-BELT, NOBTH WALES. By ARTHUR R. ANDREW, M . S C , F.G.S. 1. 2. 'A...succession from the Cefn Slate Group to the top of the Vigra Beds. The following is the descending sequence of...perhaps rusty Flags of the colour. Geological 7. Vigra Beds (Lower Maentwrog of Belt): Dark-grey and blue...(Salt.). S Lingulella Davisii (McCoy). From the Vigra Beds ; the Lower Maentwrog of Belt; the Cum Eisen...Silver, Platinum, Platiniridiurn, Iridosmine, Copper, Lead {Forbes), Antimony, Bismuth. Sulphides, Tellurides |  | | Book | | ■etal ■ines of ■orth Wales C. J. WILLIAMS ... PUBLISHED BY CHARTER PUBLICATIONS RHUDDLAN,CLWYD...PRINTED IN WALES BY CHARTER PRESS LTD., RHUDDLAN, CLWYD. Preface The mineral wealth of North Wales has been...exploited by man since prehistoric times. Mines of lead, zinc, copper, gold and iron have all been worked...worked at one time or another. Today only one lead mine is in operation, but past mining activity is remembered...counties of Clwyd and Gwynedd, the National Library and National Museum of Wales, and from private custody |  | | Journal (article/letter/editorial) | | mesothermal gold lodes of the Dolgellau gold belt, North Wales Downloaded by [RMIT University Library] at 20:36...width at outcrop, within the Caledonides of North Wales. It runs ENE from the Cardigan Bay coast, passes...gold since the 1840s amounts to almost 4 t; copper, lead, zinc and a little silver were also worked commercially... In 2000 the National Museums and Galleries of Wales (NMGW) acquired, by donation, an important suite...1997 (Gwynedd) phase of Minescan6 (a research partnership project into the metallogenesis of Wales that |  | | Journal (article/letter/editorial) | | distribution in Chidlaw Link Zone, Gwynfynydd mine, Dolgellau, North Wales Simon C. Dominy, Roland F. G. Phelps...vein-gold deposit in the county of GwSznedd, North Wales. The veins cut the Carnbrian Maentwrog, Clogau and...restricted pockets, material and reactivation can lead to the creation of complex systems. The structural...persistence and geometry are of major relevance to the mine geoiogist who is undertaking exploration, evaluation...deposition in the veins at Gwynfiznydd mine, Dolgellau, North Wales, are being investigated on the basis |  | | Journal (article/letter/editorial) | | T H E GEOLOGY OF THE DOLGELLET GOLD-BELT, NOETH WALES. By ARTHUR E. ANDREW, M.SC, F.G.S. (Continued from...of Britain, and there are many evidences of Roman mine-workings where gold must have been the principal...belief of Readwin (31, p. 1) that gold was worked in Wales during the reign of Charles I. The facts on which...Royalists; Bushell could not have imported the gold into Wales, for he was hemmed in by the Parliamentary Downloaded...satisfactory results, but believing that any gold-mine was a perquisite of the Crown (gold being a royal |  | | Journal (issue) | | ·rREASURES OF THE EARTH� SOCIETY MEMBERS' FINDS FROM THE UK. LOCAL SOCIETIES AND PRIVATE COLLECTORS. SALES &...well known minerals found in the area of the south Wales coalfield such as Milkrite needles and the brilliantly...Sphaleritc from Trclogan mine with Fluorite which is a relatively rare species in Wales. Many superb specimens...ofFfestiniog who as H.M. Inspector of Mines for north Wales was obviously able to make the most ofhis travels...coloured by malachite from the Aberlynn Mine near Bctws-y-Cocd, Gwynedd was found to be a new species. This |  | | Book | | A Mineralogy of Wales RfCHARD E. BEYfNS Ocpartmellf o[Geolngy, Nmin11a/Museum of\Valcs, Cardiff AMGUEDDFA...Colliery, Ponh, Mid Glamorgan. National Museum of Wales specimen 48.264.GR 175. ex Cymmer Welfare Library...CE 6 I CES IN WALES 9 30 127 138 6 INTRODUCTION The mineralogy of Wales is diverse. with over...reveal the presence of additional species new to Wales. and perhaps new to the British Isles. It is also...completely new to cience will be discovered in Wales. as techniques for analysing specimens become ever |  | | Book (edition) | | Gold Occurrences in the UK A Gold Prospector's Guide LEE GARY PALMER MSc Published in the United...40 Archers Ave Irvine, Ayrshire KA11 2GB Scotland UK Content copyright© Lee Gary Palmer, 2019 The right...Contents Acknowledgements Notable Nuggets of the UK Preface Gold The Word The Element Origin Locations...Isle of Man Wales South Wales - South Glamorgan South Wales - Carmarthenshire South Wales - Pembrokeshire...Mid Wales - Powys Mid Wales - Ceredigion North Wales - Gwynedd North Wales - Anglesey North Wales - Conwy |  | | Journal (article/letter/editorial) | | the plethora of related supergene copper minerals; lead-dominated cerussite, anglesite, mimetite, and wulfenite...historically interesting localities as the old cobalt mine at Great Hill, East Hampton, Middlesex County, Connecticut;...Sussex County, New Jersey; the old Tilly Foster iron mine near Brewster, Putnam County, New York; Pennsylvania...County, the French Creek iron mines and Wheatley lead mines in Chester County, and the Dyer, Robeson,... Virginia; and the Buick, Sweetwater, and other lead mines of the ViburnumTrend, Iron and Reynolds counties |  | | Journal (article/letter/editorial) | | specimens of gold and gold-ores exhibited by the Vigra and Clogau Company and by Mr. Readwin. He said :-1...one measured spot, as the case exhibited by the Vigra and Clogau Company represents, but in a length of...which was found in that country: it is from the mine of Cwmheisian, thrown out by some miners; the taker...taker of the bargain to excavate the level in the mine was by name William Owen: this was 2 B 280 in...fire-assays of ores and stones from the Cwmheisian Mine, near the Falls of Rhaider Mawddach and Pisyll Cain; |  | | Journal (article/letter/editorial) | | himself. The well-known 2,OOO-foot platform of mid-Wales is excellently developed to the S.E. of the Bala-Tal-y-llyn-Towyn...the Ganllwyd valley, about half a mile north of Llanelltyd is a spur between the main river, and a small...EROSION FEATURES The 2,000-foot surface of Mid-Wales is an accepted erosion surface, though opinions...that occurs at 400 feet, half a mile N.W. of Llanelltyd, on which stands Llyn Tan-y-raig. Such features...rifle range. Down this depression we might think to lead the Cwm Mynach before capture. But unfortunately |  | | Journal (issue) | | to Sheppey, Writhlington and to Blaengwynlais in Wales for collecting, and to London for sightseeing. I...architecture is magnificent. Bou Azzer is a cobalt mine where you can find skutterudite, CoA5:2-3 and erythrite...this material on some tips before he approached the mine to ask permission. Not only was he not allowed to...to collect, but he was escorted from the mine area under vehicular escort! At some other mines Peter...the entrance to the famous Mibladen mine. It is not a very deep mine and the entrance is covered with cerussite |  | | Journal (article/letter/editorial) | | —THE GEOLOGY OF THE DOLGELLEY GOLD-BELT, NORTH WALES. By ARTHUR R. ANDREW, M . S C , F.G.S. (Concluded...present in the quartz. The lode is confined to the Vigra Beds, Downloaded from https:/www.cambridge.org/core...throughout its length of three-quarters of a mile to the Vigra Beds, and it is but seldom, associated with the...of north, and its dip vertical. It traverses the Vigra Beds all the way, and is associated with small greenstone... but 30° south of east. It courses through the Vigra Beds, and is confined to very near their junction |  | | Report (issue) | | Association. Special care should be taken at old mine workings some of which may be in a dangerous condition...establishment of a sedimentary basin that covered all of Wales, much of England, parts of lreland and extended...the end of the Tremadoc. Although m uch of orth Wales wa. emergent at this time, Lynas ( 1 973) showed...quartz veins within it have been worked for copper, lead, zinc, silver and gold at least since the 1 8th...deposit worked in this area is at the Turf copper mine where peat, impregnated with copper minerals deposited |  | | Book | | CALLENDER GOLDSPEAR (UK) LIMITED Beaconsfield First published 1990 A Goldspear (UK) Ltd Publication I...owners. Enquiries should be addressed to Goldspear (UK) Ltd, Box 203, Beaconsfield, Buckinghamshire HP9...ENGLAND AND WALES England’s Gold Gold of South Wales The Dolgellau Gold Belt of North Wales 2 5 10 PART...Goldscope Mine, Newlands Valley, Cumbria. 8. Roman adit at the Ogofau Gold Mine, Dolaucothi, South Wales. 9...Dolaucothi mine, Circa 1933. 10. Entrance to Mitchell’s adit, Dolaucothi. 11. The Turf Mine at Dolfrwynog |  | | Report (issue) | | Properties: Opaque. Color: Pale lead-gray; in polished section, white. Streak: Pale lead-gray. Luster: Metallic...101.26 100.00 100.00 (1) Tellurium mine, Virginia, USA. (2) Oya mine, Japan. (3) Bi2 Te3 . Polymorphism...the Tellurium mine, Fluvanna Co., Virginia; in New Mexico, from the Little Mildred mine, near Hachita...Hachita, Grant Co.; at the Campbell mine, Bisbee, Cochise Co., Arizona; in Colorado, from near Whitehorn, Fremont...occurrences, as at the Hunter mine, Khutze Inlet, near Swanson Bay; from the Lucky Jim mine, Quadra Island, and |  | | Catalog/List | | BIBLIOGRAPHY of the Northern Mine Research Society formerly Northern Cavern & Mine Research Society 1960-1980... N .C. B. Library, London. National Library of Wales, Aberystwyth. Bodlei an Library, Oxford. Public...out of print. BIBLIOGRAPHY: Northern Cavern and Mine Research Society. TRANSACTIONS 1960 - 61. The Discovery...Standards of Cave Surveying/ Divining/The House of Water/Lead Miners Toots and Equipment Illustrated from examples...South Crolty Mine/Alaxander Von Humbolt : Pioneer in Speleology/Some Notes on the Lead Mines of Greenhaw |  | | Report (volume) | | Britain Volume XXX COPPER ORES OF TlIE MIDLANDS, WALES, THE LAKE DISTRICT AND THE ISLE OF M~i\N. BY HENRr·...exploitation. The mines are scattered over the Midlands, Wales and the North of England. Most of them have been...this information. Our thanks are due to numerous mine managers for assistance while visiting their mines...of gold in the ore of many of the lodes in North Wales may encourage further exploitation. JOHN S. FLETT... IV.--MINES WORKED IN THE LODES AND VEINS Oli' WALES AND ITS BORDERS :-Introduction, pp. pp. 32-39 ; |  | | Journal (issue) | | OF THE EARTH - SOCIETY - MEMBERS' FINDS FROM THE UK. LOCAL SOCIETIES AND PRIVATE COLLECTORS. ADMISSION...Assistant Kccpcr of Geology at the National Museum of Wales in Cardiff and Head of the Mineralogy/Petrology...known minerals found in the area. of the south Wales coalfield such as Milkrite needles and the brilliantly...Sphalerite from Trelogan mine with Fluorite which is a relatively rare species in Wales. Many superb specimens...ofFfestiniog who as HM Inspector of Mines for north Wales was obviously able to make the most of his travels |  | | Report (issue) | | Primary occurrences Placers 7 7 7 Resources England Wales Scotland Isle of Man Northern Ireland 9 9 11 13...37 38 38 39 39 Page Production United Kingdom Wales Scotland World production 41 41 43 43 43 Trade...Gold was mined in the United Kingdom, mainly in Wales, for centuries, and about 4 tonnes of gold has been...however, often applied to coin. Base-bullion is pig-lead, copper bottoms, or pig-copper, obtained in smelting...91 per cent, was reported from the Great Boulder Mine near Kalgoorlie. Native gold at the surface and |  | | Journal (issue) | | Hill London NW3 2AH CONTENTS Minerals From North Wales The Trials and Tribulations of Mineral Identification...Membership Details 2 5 19 20 MINERALS I ROM NORTH WALES Mike Rothwell During the 1996 BMS Symposium, Richard...on the mineralogy of a few chosen sites in North Wales. The following is a short summary of the workshop...chose Eclusham Mountain Wedding Cave Mine at Bwlchgwyng, Bryngwiog Mine on Halkyn Mountain, and Great Orme...Llangollen (OS GR SJ 255.503). At nearby Wedding Cave Mine (OS GR SJ 265.541) there is galena mineralisation |  | Kylander-Clark, Andrew R.C., Hacker, Bradley R., Johnson, Clark M., Beard, Brian L., Mahlen, Nancy J., Lapen, Thomas J. (2007) Coupled Lu–Hf and Sm–Nd geochronology constrains prograde and exhumation histories of high- and ultrahigh-pressure eclogites from western Norway. Chemical Geology, 242 (1) 137-154 doi:10.1016/j.chemgeo.2007.03.006 | Journal (article/letter/editorial) | | Sm– Nd on high-pressure minerals (Fig. 1). Uranium–lead zircon geochronology has the advantage of high analytical...transitional eclogites from Verpeneset (black circle), Vigra (grey lines) and NW Gurskøy (black line). (b) UHP...(9901B1). b) Eclogite from NW Gurskøy (R9826J). c) Vigra eclogite (R3703A2). With the exception of amphibole...is from a layered HP ultramafic–mafic body on SW Vigra (Fig. 1). The sample is mildly retrogressed and...0.0 0.0 0.0 3.5 0.0 0.0 99.7 100.0 R3703A2 (Vigra) gt 39.9 cpx 54.8 opx 55.5 0.0 0.1 0.0 21.8 5 |  | | Journal (issue) | | on Friday June 12th. We then left for Frongoch lead mine where we were joined by Austin Woodbridge and...here was cerussite. In addition there were other lead/copper secondaries including brown and mauve pyromorphite...authority on the minerals of Central Wales. the Llechwyddhelyg mine, a remote and picturesque site beside...were ten in number for the journey to Bwlch Glas lead mine. And the rain recommenced. · Bwlch Glas mineral...presented us with an interesting, brief history of the mine, explained where to find the pyromorphite underground |  | | Catalog/List | | vein in banding. GRF. LMI. £6.00 3 APATITE, Etiro Mine, Karibab Disbict, South Africa. Sea blue soild XN...sliver. GRF. SM!. £10.00 11 CASSITERITE, Birch Tor Mine, Dartmoor, Devon. Massive ore. Olab on specimen...STIBICONITE after STIBNITE and STIBNITE, Knipes Mine, New Cumnock, Ayrshire, Scotland. Yellow chalky...VGRF. Ml. .- -£12.00 16 TETRAHEDRrTE, Silver Vein Mine, St Winnow, Cornwall. Glistening bright silvery...£12.00 21 NATIVE COPPER, Trephina Lode, Pendarves Mine, Camborne, Cornwall. Golden thin leafy exposed vein |  | | Journal (issue) | | Geology, National Museum of Wales, Cathays Park, Cardiff CFl 3NP, Wales, U.K. CO-EDITOR: Peter A. Williams...Chemistry, Universi ty of Wales College of Cardiff, P.O. Box 912, CardiffCFl 3TB, Wales, U.K. JOURNAL MANAGER:...Aleksite, a Lead Bismuth Sulfotelluride: a Second World Occurrence from the Dolgellau Gold Belt, Wales R.E.Bevins...Caradon Mine, Cornwall I.A. Lawrence 81 NOTE Cinnabar from Machen Quarry, Machen, South Wales T.F. Bridges...to 1'. Pieces 2'x 2' to 4'x 3' from £5. FLORENCE MINE. CUMBRIA, Botryoidal Hematite, plus some pieces |
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