 | | Journal (article/letter/editorial) | | situated on the western and southern flanks of Plynlimon, consists of three interconnected power stations...of the Upper Afon Rheidol. One mile north of Ponterwyd, a reservoir has been constructed at the head...The tunnel is sited on the western limb of the Plynlimon anticline; it has been driven through a sedimentary...in the area immediately to the south-east of Ponterwyd. Here he demonstrated coincidence of graptolite...encountered GEOL. MAO. VOL. 1 0 0 . NO. 4 MYNYDD PONTERWYD TEXT-FIG. 1.—Surface geology of the Dinas Bwadrain |  | | Report (issue) | | technical history and exploration with reference to mine workings in the British Isles are welcomed for inclusion...:. R.G. GUTHRIE PUBLICATION AFTERSALES NORTHERN MINE RESEARCH 186 STATION ROAD BILLINGHAM CO.CLEVELAND...CLEVELAND TS232RT Tel: 0642 554437 © NORTHERN MINE RESEARCH SOCIETY SOCIETY This volume is copyright...Sheffield S2 5HH, for the Publishers, The Northern Mine Research Society, Sheffield,· England. ISSN: ISBN:...OF THE C.Eng., NORTHERN SOCIETY. 1979. FGS., MINE FIMM. RESEARCH 6 I ' AUTHORS =====-- NOTE |  | Shand, Paul, Darbyshire, D.P. Fiona, Gooddy, Daren, H. Haria, Atul (2007) 87Sr/86Sr as an indicator of flowpaths and weathering rates in the Plynlimon experimental catchments, Wales, U.K. Chemical Geology, 236 (3) 247-265 doi:10.1016/j.chemgeo.2006.09.012 | Journal (article/letter/editorial) | | flowpaths and weathering rates in the Plynlimon experimental catchments, Wales, U.K. Paul Shand a,⁎, D.P. Fiona...Crowmarsh Gifford, Wallingford, Oxfordshire, OX10 8BB, UK NERC Isotope Geosciences Laboratory, British Geological...Geological Survey, Keyworth, Nottinghamshire, NG12 5GG, UK c Centre for Ecology and Hydrology, Crowmarsh Gifford...Gifford, Wallingford, Oxfordshire, OX10 8BB, UK Received 11 April 2006; received in revised form 19 September...and Afon Hore) of the River Severn at Plynlimon in Central Wales. The dominant source of Sr in the catchments |  | | Report (issue) | | AROLWG DAEAREGOL PRYDAIN Regional geochemistry of Wales and part of west-central England: stream water ...GEOLOGICAL SURVEY. 1999. Regional geochemistry of Wales and part of west-central England: stream water....255 9) North-west England and North Wales 1997 (0 85272 307 5) Wales: stream water 1999 (0 85272 363 6)...0115-936 3200 e-mail: sales@bgs.ac.uk www.bgs.ac. uk Murchison House, West Mains Road, Edinburgh EH93LA...Stapledon Building, University of Wales, Penglais, Aberystwyth, Ceredigion, Wales SY23 3DB ,:r 01970-622541 Fax |  | | Catalog/List | | rich crystalline mass 3x4 Broken Hill, New South Wales Australia £8 4 VANADINITE orange brown crystals...prefecture Japan 5.5 x2cm on 7x4.5 £50 1 9 CALCITE after IKAITE a piece with one principal crystal...all over 4x4 surface. It's about lm thick Cassagna Mine, Ne ,Graveglia Valley, Liguria Italy, I collected...botryoidal 1cm x 8mm on 2.5xlcm Penberthy Croft Mine St Hilary Cornwall £6 - the type location 19 URBANITE...Scotland £10 27 SUGILITE mauve chip about 8mm Wessels mine, North Cape Province South Africa £8 31 CLINTONITE |  | | Report (volume) | | thanks to the Council of the University College of Wales, Aberystwyth, for having released me as far as possible...Estate, I am indebted for perrnission to use the mine records and plans in the Estate Office; to 1\Ir...IX.-Longitudinal Section of Loveden Mine • • X.,, ,, Brynyrafr Mine XI.,, ,, East Daren · • XII.. ,, ,...Dyfngwm districts X:Xll.,, ,, district near Van Mine• XXTII.-Plan of Van fiat.s • XXIV.-Chart showing...his two groups, the Aberystwyth group and the Plynlimon group, which he regarded as being below the base |  | | Journal (article/letter/editorial) | | Central Wales Orefield (Fig. I) is a loosely defined area occupying the county of Ceredigion (the northern...:irl O t-.,�·'.• • ,, ·. Cambrian Mountains of Wales. At v�ri,-,,., . , , . r ,·:·i :· · cipally from...Lower Palaeozoic times the area that is now central Wales lay cowards the middle of a structurally conuolled...Ashgill-Upper Llandovery strata ..:xposed in the Central Wales Orefield. A range of basinal facies is present,...Ystwyth Fault, encountered underground at Cwmystwyth mine, where it faulted out the lead-zinc-bearing lodes |  | | Book | | the Area. Mines - History Mineralization - General Mine Index (Map References) Mineral Index Minerals of...37 38 39 39 40 PLATES Nantiago Mine Pwllrhenaid Shaft .. Penrhiw Mine Dylife Esgairhir Castell Henfwlch...Henfwlch Cwmystwyth Blaenceulan Pyrite on Calcite (Nantiago Mine) .. ■ .. 11 14 14 17 17 18 19 20-21 22...Acknowledgements are due to members of The Russell Society (a mine�alogical society based in Leicester) who contributed...dating from the early nineteenth century - the old mine heaps still remaining providing the basis for collecting |  | | Journal (article/letter/editorial) | | of the Llanrwst and Llanfair veinfields, North Wales: evidence from fluid inclusions and stable isotopes...Sciences, The University of Leeds, Leeds LS2 9JT, UK (Received 2 July 1995; revised version received...Shropshire in England and Llanrwst, Plynlimon and the Dolgellau Gold Belt in Wales. These deposits are hosted...Sciences, University of Bradford, Bradford BD7 1DP, UK (140–200 °C) fluids, with sulphur supplied from...suggest that the Vale of Newlands, Greenside, Plynlimon and West Shropshire veinfields derived sulphate-sulphur |  | | Report (chapter) | | the auriferous lodes of Ogofau in south-central Wales. Post-tectonic veins are the most widespread type...exemplified mainly by those of the Harlech and Plynlimon Domes. These late veins are attributed largely...Woodcock (1984a, b) and the offshore environments in W Wales are discussed by Cave & Hains (in press). The magmatic...burial (Bevins & Rowbotham 1983) and in parts of N Wales FIG. 1. Outcrop of the Welsh Lower Palaeozoic Basin...Ordovician volcanic centre in Snowdonia in North Wales, contains metalliferous as well as barren veins |  | | Journal (volume) | | caledonite crystals up to 4.5 mm tall from Red Gill Mine, Caldbeck Fells, Cumbria. Norman Thomson Collection...mm from the dump of Endeavour Level, Potts Gill Mine, Caldbeck Fells, Cumbria. Paul Nicholson Collection...Tindle 3-9 Zincolivenite from the Penberthy Croft Mine, Cornwall Jens C. Ø. Andersen and David Moulding...associated with the Camdwr Fault in the Central Wales Orefield Tom Cotterell 15-25 NOTE The composition...collected by Sir Kingsley Dunham from ‘Nentsbury Mine’, Nenthead, Cumbria Trevor F. Bridges 61-64 NOTE |  | | Journal (article/letter/editorial) | | presented and discussed. The samples were collected from mine dumps and museums (not in situ) and are mainly from...main sulphide minerals and are associated with calcite, quartz, baryte, and witherite. In the mines such...levels in the veins, giving way to sphalerite, calcite, and quartz at depth (Dines 1959). Where concentrated...colour-banded sphalerite with calcite and quartz; (4) galena, calcite, and quartz; (5) light brown sphalerite;...chalcopyrite, and baryte; and (7) baryte. At Roman Gravels mine there was a higher concentration of chalcopyrite |  | | Journal (issue) | | UK .M ----- JOURNAL I OF N E & ----- s M 1· N E R A L S n \) II I/ i] NUMBER 15 • SPRING... DavidGrem 3 FRO TISPIECE CALCITE on HEMATITE Fred Bull 4 MI The UK Jouma/ of Mines and .Minerals...t-lUMB£e E6-~MO~T E~u-LAND 'i Frontispiece. Calcite on hematite from Ullcoates No. I Pit, Egremont...N'(Olbl L'K Journal of Mines & Minerals No. 15 -2- UK Journal of Mines & 1'.lincrals No. 15 -J- .......rescue dig on the spoil heap of the Alva silver mine near Stirling. Remarkable specimens of dendritic |  | | Catalog/List | | Museum of Natural History, the National Museum of Wales, the Hancock Museum (Newcastle Upon Tyne) and the...Cambokeels Mine, Eastgate, Weardale. Lot 222 – Fluorite, chalcopyrite and siderite – Boltsburn Mine, Rookhope...green stock label. SW.17 Paratacamite - Botallack Mine, St.Just, Cornwall. [SW 365 330]. From Hazard Section... SW.18 Botallackite with connellite - Botallack Mine, St.Just, Cornwall. Collected 1985 [SW 365 330]...Corpus Christi Lode. SW.43 Botallackite - Levant Mine, St.Just, Cornwall. [SW 368 346]. 130 fathom level |  | | 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 |  | | Report (edition) | | South Wales -te- f '■ ■ \ s -■ afe^Kgggft « ■ 'fe-:. ■ -- ■ • .: ■■■ ■■.'-■ - ■* ■<■...GEOLOGICAL SCIENCES British Regional Geology South Wales (THIRD EDITION) By T. Neville George, D.Sc., F...publication of the second edition of the ‘South Wales’ handbook in 1948 much progress has been made in...Coalfield; Contemporary Earth-movements; Coals of South Wales ......... 10. Palaeozoic Earth-movements: Caledonian...Survey Maps and Publications dealing with South Wales Index ......... 1. 1 11 15 21 32 51 58 73 |  | | Journal (issue) | | Аgги"в, Corп wall. Sрeгirнcvг: 70 х t30 .r 45»гт UK Journal of Mines and I b i e r a l s Issue No 8 A...p. (UK) Non UK £16.50 Equiv for 3 issues inc. р & р. USA $30 for 3 issues inc. p & p. Note: Non UK prices...C. van Loon. Diary of Events 4 2 6 Llywernog Mine and Museum S.J.S. Hughes. ADVERTISING Peter Briscoe...begun with four notes on some unusual minerals from Wales. 2 U . K . JOURNAL OF MINES AND MINERALS ISSUE...Great Consols. Sculls in Devon Great Consols copper mine supporting the hanging wall of the lode. When copper |  | | Book | | Geological Excursions in Dyfed, South-West Wales National Museum of Wales —~— = iY a_a>. a gan Op ot, _— a...Dyfed, South-West Wales boil | o \‘ Mf Nin. tin diMneens pis Np gece é South Wales Gros bye |Published...the Geologists’ Association, |National Museum of Wales \Cardiff May 1982 © ISBN 0720002494 REFERENCES...excursions in Dyfed, south-west Wales. 327 pp., National Museum of Wales, Cardiff. BOWEN, D. Q. 1982. Pleistocene...excursions in Dyfed, south-west Wales. 327 pp., National Museum of Wales, Cardiff. Printed by Graphic |  | | Catalog/List | | 2txH-xi". £1.25. _ 2. ANDRADITE. Belstone Consols Mine, Sticklepath, Devon. Specimen A - Lustrous, sharp...Andradite. ltJMine, Wilberforce, Ontario, Canada. A well formed translucent...length, lying flat on and partially embedded in Calcite matrix, with much purplish Fluorite in association...l-txlxl". £4.50. 7. ATACAMITE. Duke of Cornwall Mine, Kadina, S. Australia. Specimen A - A ltxl" cavity...Limonit ic Gossan. 2xlxl". £1.50. 8. AZURITE. Tynagh Mine, Co. Gllway, Eire. Bright blue well formed crystals |  | | Catalog/List | | all times. JULY 1977 1. 2. AJOITE. New Cornel~a Mine, Ajo, Pima Co.; Arizona, U.S.A. Turquoise coloured...matrix. lMinE, Sticklepath, Devon. Specimen A - Sharp olive green...2xlx~·'. £1.50. 3. AI\GLESITE. Broken HiJ.l, rJ.s. Wales, Australia. Small lustrous creamy transparent sharp...side of the specimen encrusted with small creamy Calcite crystals and a little Muscovite mica. Fine specimen... with a secondary growth of transparent spiky Calcite crystals in places. Specimen A - 2-tx2txli". £5 |  | | Journal (issue) | | 15 mm. EDITORIAL Digital Micro-Photography The UK Joumal ef Mi11esa11dMi11erals publishes articles...channels. SUPERGENE LEAD MINERALISATION IN CENTRAL WALES John Mason 47 APATITE FROM TI-IE COAL MEASURES...imaees in the article on fluorite from the Rogerley Mine, Weardale, in the last edition of this journal....problematic, the famous blue fluorite from Florence Mine in west Cumbria commonly register a dirty pink on...which is possible using the technique. David Green UK Juurnal of Miucs & Minerals No. 24 -2- MICRO MINERALS |  | | Catalog/List | | 17. 18. 19. 20. 21. -2BARYTES. Silverband Mine, Dun Fell, westmoreland. ~ single glassy transparent...blackish Shale matrix, with much creamy crystaline calcite in association and odd small crystals of Iron Pyrites...lying flat on a lxl" area on matrix, with a little Calcite and Iron Pyrites in association. 2xltxl". £24.00...pinkish Granite. ltxltxlt"- £2.50. BORNITE. Dolcoath Mine, Camborne Cornwall. A pure, purply, tarnished metallic...the higher workings of the Mine. 2xltxlt". £1.50. BOTALLACKITE. Levant Mine, Pendeen, Cornwall. Select |  | | Report (edition) | | REGIONAL GEOLOGY SOUTH WALES 0SECOND EDITION) by J. PRINGLE, D.Sc. (Wales) and T. NEVILLE GEORGE...REGIONAL GEOLOGY SOUTH WALES (SECOND EDITION) J By J. PRINGLE, D.Sc.(Wales) and T. NEVILLE GEORGE...APPENDIX: Maps and Publications dealing with South Wales 99 iv ILLUSTRATIONS FIGURES IN TEXT FIG. 1....succession in South Wales .. .. .. .. .. 3. Structural map of South Wales .. .. .. .. .. ...section acrcss Central Wales 5. Sections across the Armorican folds of South Wales 7. Cambrian fossils |  | | Catalog/List | | scattered over Basalt matrix with odd small quartz and Calcite crystals. 3x2txlt". £8.00. 2. ANATASE. Tysse,...Limonitic matrix. 2x2xlt" .£2.75. ARGENTITE. Valenciana Mine, Guana,;uato, Me~ico,. Fine, bright, silvery grey... 12. 13. 14. 15. 16. 17. AURICHALCITE. 79 Mine Gila Co., Arizona, U.S.A. Select turquoise blue...matrix. l~xltxl". £3.25. AZURITE. Duke of Cornwall Mine, Kadina, 5. Australia. Pure bright blue crystaline...Malachite and creamy crystalised Calcite. 3x~1". £r,.50. BARYTE~. Mowbray Mine, ;'rizington, west Cumberland |  | | Book | | in Cardiff, traversing all the mountain areas of Wales, and ending up on the north coast at Conwy. The...Snowdonia National Park, the wild moorland of mid-Wales, and the softer, pastoral land of the Brecon Beacons...valleys of South Wales. It also seeks out places that bring to life the history of Wales-the legends of...graduate of the University of Wales and lived for several years in North Wales before moving just across...Acknowledgements A Note on Mapping The Traveller in Wales 15 18 19 21 A Land, a People, a Language A Land |
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