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| UK j I o mi minerals TS C nlm~ 2 EDITORIAL COVER: Vanadinite from the LeadhillsWanlockheadminingdistrict...specimen. 5 PEGMATITE MINERALS FROM CI-IYWOON QUARRY The UK Joumal efMines a11dMinerals publishes articles...Stephen Burchmore • David Green NEW CLIFFE HILL QUARRY 43 The views and opinions expressed in this Journal...ALGODONITE AND DOMEYKITE FROM NEW CLIFFE HILL QUARRY Publication of information on a collecting site...Worbop, Nott~. S80 2EE CLASSIFIED ADVERTISMENTS UK Journal of Mines & Minerals No. 26 -1- EDITORIAL |
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| occurrence o f Bertrandite at some new localities in Cornwall. By ART~U~ RUSSELL [Read March 217 1911.] Professor...bertrandite a t I Nthe1904Cheesewring Quarry, Linkinhorne, Cornwall ; 1 the mineral h a v i n g been then...localities in Cornwall2 Go~d-diggings Quarry, 3 St. Cleer, Cornwall. This quarry is situated about 900 yards west...west of the Cheesewring Quarry (Sheet X X u NW, Six-Inch Ordnance Map), the granite being of an almost...habit exactly resemble those from the Cheesewring Quarry as described and shown in 1 H. L. Bowman, ~On the |
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| an Memoir for 1 :50 000 geological sheet 133 (England and Wales) This memoir, and the 1:50 000 map that...of the British Geologi,cal Suroey, sheet 133 (England and Wales). BOOKS British Regi,onal C-reology...British Geolog;i,cal Suroey Keyworth Printed in the UK for HMSO Dd 295254 D_tlie,: publications of the...once the most important source of manganese in the UK, although it is no longer worked. However, the mines...earliest Cambrian rocks that continues from central England and south-west Wales through the Avalon peninsula |
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| Penberth, the huer's hut; drawing by Michael Tangye Cornwall Archaeological Society 1994 President M a r t...interested in the history and material culture of Cornwall and the Isles of Scilly (persons under 14 being...W A L L ARCHAEOLOGICAL SOCIETY © COPYRIGHT CORNWALL ARCHAEOLOGICAL SOCIETY 1994 No part of this volume...Typesetting, printing and binding by Blackfords of Cornwall, St Austell CONTENTS Prehistoric stone implements...burials of the 'Wessex' earlier Bronze Age in Cornwall 36 LESLIE GRINSELL The cliff castles and hillforts |
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| Galleries, London ISBN O85272 313 X ClO Printed in the UK for the British Geological Survey by Saxon Graphics...Graphics Ltd, Derby Cover illustration Cloud Hill Quarry, Leicestershire, excavated in steeply dipping Carboniferous...minerals produced in Britain, on an ex-mine or quarry basis, the total value is estimated at £21 796...and the major proportion of this output is from the UK Continental Shelf. However, there is a substantial...minerals. The value of minerals production on an ex-quarry basis does not truly reflect their ultimate value |
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| emergency communications concerning field meetings (UK only). If you have to cancel on the day, or are lost...the Cenomanian (Upper Cretaceous) of southern England. The evidence suggests that the Middle and Upper...of The Santonian-Campanian phosphatic chalks of England and France, once exploited commercially as a source...There were 21 of us, all fleeing the grey skies of England and looking forward to seeing the famed Ophiolite...steeling ourselves for the return to the murk of the UK. a final denoument delivered on a sunburnt beach |
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| 0115-936 3200 e-mail : sales@bgs.ac.uk www.bgs.ac. uk Shop online at.: www.thebgs.co.u.k !Vlurchison House...Assets in Easten1 England 3 Igneous & n1etamorphic rock resources and workings in the UK, 2005 4 Sandstone...resources and workings in the UK, 2005 5 Lin1estone resources and workings in the UK, 2005 6 Sand and gravel...gravel resources and workings in the UK, 2005 Tables l Production and value of the major sectors of the Minerals...tonnes) 4 Actjve Mineral Workings by com,nodity in the UK, including Northern Ireland, Channe l Islands and |
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| Pyrite occurs, usually as irregular secondary aggregates, separate grains in the crushed rock averaging...of Maes y Gaer Craig Celynin . Sill S. of Slate Quarry Tal y Fan East of Cae Iol South of Craig Celynin...North slopes of Meuryn Isaf N.W. of Bont-newydd Old Quarry, Werny-pandy Diabase „ » Locality. Rock. Hypersthene...Cefn Maen Amor \ mile East of Llwyn Penddu Tan-y-graig North of Bronlledraeth East of Cefn Maen Amor...Zircon. Grit, Cefn Llechen. X 120. Zircon. Lava, Cefn Maen Amor. X 120. „ Grit, South of Bont Newydd, Aber |
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| Green Slate and Stone Co Ltd; Maen Offeren Slate Quarry Co Ltd; Mill Hill Quarry (Tavistock) Ltd; Old Delabole...Ltd; Penrhyn Quarries Ltd; Pen-yr-Orsedd Slate Quarry Co Ltd; Solite Ltd; Tanner and Hall Ltd. Metric...large but their exploitation is now confined to Cornwall, Devon, North Wales and the Lake District. The...massive Penrhyn Quarry in North Wales. The largest concerns in the Lake District and in Cornwall have recently...ten other producers are known to be active in Cornwall, Devon, North Wales and the Lake District. No |
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| within the Goodwick Volcanic Formation at Porth Maen. Hyaloclastites are only poorly developed. Contemporaneous...to rhyodacite composition occurs within the Porth Maen Melyn Volcanic Formation and shows the peculiar...intrude the sediments immediately underlying the Porth Maen Melyn Volcanic Formation at the type section (see...2). Acidic magmas are developed within the Porth Maen Melyn Volcanic Formation and the Goodwick Volcanic...texture is replaced by spherulitic and bow& shaped aggregates of plagioclase feldspar figure 3a), which are |
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| irrespective of depth, were brought under general quarry law. This List, however, generally excludes quarries...address of the o,vner, the name and situation of the quarry, minerals worked, the name of agent, manager, etc...irrespective of depth, were brought under general quarry law. This List, however, generally excludes quarries...address of the owner, the name and situation of the quarry, minerals worked, the nan1e of agent, manager,...(except thal part Edgbaston, Binning• Austell, Cornwall. West of tlui Hivcr Eler:trwal : bam 16. Sevem) |
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| J. Dunn Washington, DC Peter G. Embrey London, England Richard C. Erd U.S. Geological Survey Menlo Park...history of phosgenite and matlockite from Matlock, England ................................................. one of the “ beauties” of eighteenth-century England. Emy was G reville’s mistress, but as a second...analysis of copper arsenates from W heal Gorland in Cornwall. The Count de Bournon gave some specimens of the...Bournon (1751— 1825), who was a political refugee in England, to arrange it. During this work, probably in 1799 |
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| into diffuse segregations of quartzo-feldspathic aggregates within more micaceous areas, is common. Carbonate...divisible into three formations. The lowermost Porth Maen Melyn Volcanic Formation is composed principally...Excursion D (Fig. 7) is a traverse through the Porth Maen Melyn Volcanic Formation at its " ' - I,, - ... Porth Maen- Melyn Volcanic Formation _ L ' , , "". F----------L ~ \c~ --E-:-~-:"~ Maen-M~~ } ...~ 1) / FIG. 7. Geology of the coast N of Porth Maen Melyn (Excursion D 1-4). Downloaded from http://sp |
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| which must cut the coastline somewhere between Pen-maen-melyn and Pen-y-feel." The beds to the south of... Blake, however, examined the coast between Pen-maen-melyn and Pen-y-feel, and though he was " enchanted...valley bedded porcellanites axe well exposed in a quarry. Their strike can be accurately read; it is the...field-exposures of the conglomerate between Rhoson and Maen Bachau, where it emerges on the coast-line. I t...described. The conglomerate is next seen on the coast at Maen Bachau, south of Castell, a spot readily recognizable |
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| America open access publications ................ UK Mining News. ......................................updates (still lots of activity in various parts of the UK) and an addition to the list of “creative things...minerals I found/acquired”? “New activity at the mine/quarry down the road”? “Developments in my local museum...countless field trips to sites of interest around England and Wales and although membership numbers have... Anatase from Cligga Head, Perrazabuloe, Cornwall, England. David Green photo. Reproduced with permission |
 | Stephenson, D., Bevins, R. E., Millward, D., Highton, A. J., Parsons, I., Stone, P., Wadsworth, W. J. (1999) Chapter 6: Wales and adjacent areas. In Caledonian Igneous Rocks of Great Britain (Geological Conservation Review Series - Geological Conservation Review No. 17. Joint Nature Conservation Committee, Peterborough. p.231-344. | Book (chapter) |
| Curig Hill; 18, Sarnau; 19, Ffestiniog granite quarry; 20, Pandy; 21, Trwyn-y-Gorlech to Yr Eifl quarries;...Moelypenmaen; 24, Llanbedrog; 25, Foe] Gron; 26, Nanhoron quarry; 27, Mynydd Penarfynydd; 28, Skomer Island; 29...Britain. At the base of the succession, in the Porth Maen Melyn area, dacitic to rhyodacitic lavas exhibit...Formation Strumble Head Volcanic Formation Porth Maen Melyn Volcanic Formation Fishguard Volcanic Group...intrusion is demonstrated at the Ffestiniog Granite Quarry GCR site. Volcanism during Caradoc times was not |
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| of feldspar and segregated sericite-chlorite aggregates 22 5.15 Recrystallisation overprint of welded...intrusive Section 1 DEGANWY CONWY CAPELULO CEFN MAEN AMOR TAL Y FAN FOEL LWYD LLYN DULYN CRAIG YR YSFA...I ON S I 1 DEGA NWY 2 CONWY 3 CAPEL ULO 4 CEFN MAEN AMOR 5 TAL Y FAN 6 FOEL L WYD 7 LL YN DULYN 8 CRAIG...sericiti sed to some degree and locally as at Cefn Maen Amor the alteration is complete. In places, such...narrow feldspathic overgrowth rims. In the Cefn Maen Amor and Capelulo sections recrystallisation is |
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| non-member subscription rates for this volume are: UK £13 (including P&P) and Overseas £15 (including P&P)...proudly displaying a copy of Minerals of Northern England. Roy Starkey photograph. Journal of the Russell...Herderite-hydroxylherderite series minerals from Chywoon Quarry, Cornwall Tom F. Cotterell, Neil Hubbard and David Moulding...euhedral schulenbergite at the Penberthy Croft Mine, Cornwall John Betterton and Ian E. Grey 34–35 PAPERS...herderite-hydroxylherderite series minerals, from Chywoon Quarry, in Cornwall. There are, however, four other Cornish localities |
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| colleague Mr. W. Topley, of the Geological Survey of England and Wales, with the object of collecting additional...(1879). Sheet 40 of the Geological Survey Map of England and Wales, ancl Sheet 1 of the Horizontal Sections...the junction is more satisfactorily shown in a quarry on the left side of the road from Porth-clais to...yards of quartz porphyry have been laid bare in a quarry to the south of Trepewit, while, about thirty yards...beds are'vertical. On the left side of the little quarry as we enter it, layers of fine reddish tuff (a)* |
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| 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...Nuggets of the UK Preface Gold The Word The Element Origin Locations Information Maps England South West...West England - Cornwall South West England - Devon South West England - Somerset South East England - Essex...Essex South East England - Kent South East England - Bedfordshire South East England - Suffolk English |
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| district featured on Maton 's geological map of Cornwall in 1797 and accounts, both of the minerals and...Memoir for 1: 50 000 geological sheets 351 and 358 (England and Wales) LONDON: HER MAJESTY'S STATIONERY OFFICE...British Geological Survey, Sheets 351 and 358 (England and Wales). Authors A J J Goode, BSc and R T Taylor...(43 - 4 1 0 AD) undoubtedly traded for metal in Cornwall. The production of copper, after its heyday between...Tregonning Hill , the earliest china clay \Vorkings in Cornwall \-Vere started in 1 746 by \'V illiam Cookworthy |
 | Warren, P. T., Harrison, R. K., Wilson, H. E., Smith, E. G., Nutt, M. J. C. (1970) Tectonic ripples and associated minor structures in the Silurian rocks of Denbighshire, North Wales. Geological Magazine, 107 (1) 51-60 doi:10.1017/s0016756800054698 | Journal (article/letter/editorial) |
| example of a surface with ripples is seen in Creigiau Quarry, Llansannan (Loc. B, Fig. 1 and Table 1, and Plate...5 a *" INDEX Llansannan (Crrigiau Quarry) Moel Fodiar (quarry) LOCALITY 9381 6537 9833 6796 NATIONAL...HORIZON AND ZONE 9660 6055 8198 7063 Gorsedd Bran (quarry) 9778 5874 Denbigh Grits Group (zone uncertain)...fadensis Zone) Penrhyn (stream section) Pant-y-maen (stream section) 9300 5747 8261 6184 Pont-y-Clogwyn...Llwyn Goronwy (quarry) Merddyn (stream section) 8024 7282 8286 6143 Bodnant (quarry) 7827 7096 Llwyn |
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| are best shown in the confused, interlocking aggregates of the groundmass. (b) Distribution.--The variolite...palagonite. The variolite at Deunant is best seen in the quarry behind the farm, where the rock is compact, dark...' a l o n g the fissures. I n the ferruginous aggregates within the crust, the constituents group themselves...M~NERA~. Among the secondary minerals are the usual aggregates replacing felspar. Other crystals, probably originally...with igneous masses (as at Parcd-llech-y-menyn and Maen-melyn-lleyn). ~ Elsewhere the diabase or basalt |
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| mineral-species and localities s are represented : T MAeN~rrnl, massive : WI.3~.~.g~ In~'.es.~ Co. -massive...method with small selected fragments consisting of aggregates of needles is D~iv ~- 4.80. The individual crystals...out in parallel with crystallized goethite from Cornwall, l about 1.5 gram each of the finelypowdered minerals...have already been described by Haidinger ~ from Cornwall, and he mentions that the fine brilliant crystals |
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| data obtained from Carboniferous 6 Limestone aggregates 12 9 Generalised vertical section of the Lower...and AAV 13 data obtained from Pennant sandstone aggregates 13 11 Second order trend surface contours for...6 Limestone 3 Classification of crushed-rock aggregates 14 based on their mechanical proporties 4 Summary...Steeply dipping, well-bedded dolomite. Blaen Nofydd Quarry, Thornhill. 7 [ST 1583 8476) 2 Millstone 3rit....quartzitic sandstones underlain by mudstones. Waun Fawr Quarry, Risca. [ST 2304 9100) 8 4 Pennant sandstone. Coal |
