 | | Book | | ^MINERALS, ROCKS and GEMSTONES \in Cornwall and Devon |'; '’i '■-■ ,, t Cedric Rogers A Collector’s...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 Hine. fnaxt*...Mount’s Bay - The Lizard .. North and Central Cornwall East Cornwall Devon 26 27 28 29 30 31 32 33 34...experienced collector who is unfamiliar with Cornwall and Devon should find helpful. There has been no attempt to |  | | Catalog/List | | The Old Linhay, Woodcockshayes Farm, Willand,Devon, England EX15 2QF Tel 01884 821563 Fax 01884 821724...10cm x 6cm) Force Crag Mine, Keswick, Cumbria, England. Large specimen with flat base, so sits well, of...x 4cm x 4cm) Dry Gill, Calbeck Fells, Cumbria, England. Classic locality piece of dark brown to brown-orange...x 4cm) New Rosewarne Mine, Gwinear, Cornwall, England. Brecciated matrix of country rock very richly...(7.5 x 5.5cm x 1.5cm) Frizington Mine, Cumbria, England. Old time specimen of doubly terminated tabular |  | | Journal (issue) | | acicular crystals 9 mm long on calcite. Fall Hill quarry, Ashover, Derbyshire. Collected 1979. Roy Starkey...Limestone at Raisby, Cox hoe, County Durham , England 75 B. YounR Wavellite and variscite on Gower...with schulenbergite from Cornwall and Cumbria, England D.J. Green. J Betterton, R. Bell and T /lieall...Millerite and associated minerals from Brixham, Devon, England R.S W Braithwaite and JI. Wilson 87 Rosiaite...Derbyshire, England 89 A. Dyer, 0..\1. Wilson and B. Young Milarite from Shap granite quarry, Cumbria |  | | Book | | significant minerals to come out of southwest England. The accompanying captions describe the crystallographic...~t~' l lr\ V: 1 'I Minerals of Cornwall and Devon Joseon1ne Community Llbral1es Grants Pass, OreQon...Minerals of Cornwall and Devon. 1. Mines and mineral resources;--England --Devon 2. Mines and n1ineral resources...resources --England--1Cornwall J. Title IL Symes. R. F. 549.9423'5 QE262.D45 ISBN 0-56 5-009 8 9- 3 paperback...ISBN 0-565 01046 8 hardback Printed in England by Balding+ Mansell UK Litnited CONTENTS • Acknowledgements |  | | 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...and advertising. ARSENTSUMEBITE FROM DOLYHIR QUARRY Neil Hubbard • David Green • Tom Cotterell 9 ...Cox • Ron Cleevely 31 PARALSTONITE FROM DOLYI-IIR QUARRY Tom Cotterell CIRCULATION, SALES & FINANCE Jean...FROM CARROCK MINE Mike Rumsey 53 NEW CLIFFE HILL QUARRY Trevor Bridges 55 ROCKBOTTOM PUBLICATIONS LTD |  | | Book | | Islands Juan Carlos Carracedo & Simon Day 5. The north of Ireland Paul Lyle 6. Leinster Chris Stillman...PO Box 315. Harpenden. Hertfordshire AL5 2ZD. England Telephone: +44 (0)1582 762413 Fax: +44 (0)870 055...production of e0pper. the mining areas of Cornwall and Devon became important producers of b th tin and copp...1\llaga::i11e, on minerals from localities in Cornwall. Devon. Cumbria and Yorkshire. He was renowned for his...Meldonaplitequany.nr Okehampton, Devon (leucophanite)' Meldonaplitequarry,nrOkehampton, Devon PottsGillmine,Caldbeck |  | | Book | | John Hall Printed by Action Press, Burgess Hill, West Sussex Summer2022 TO A VERY SPECIAL SUSSEX MINERAL...- o minerologie-af down Built on foundations firm and strong wi1h standards high ,o.nd bold It pav~ the...E.GSt 'to W,e st and' North to South the Logo's been unfurled For North is North and E,a.st is East both...Critchley 48 52 Julie d'Ablaing (nee Pearce) 54 Trevor Devon 58 Catherine Foley 60 Don Ford 66 David and late...crystal group - Ramsbeck, Meschede, Sauerland, North Rhine - Westphalia , Germany . Photo: John Hall |  | | Catalog/List | | approx. 32mm. £165. 4) AZURITE and MALACHITE on LIMONITE CASTS after CALCITE. Laurion, Attica, Greece....off white barite xis to 8mm on a small piece of limonite/barite matrix. 60x60x70mm. £60. 6) NATIVE BISMUTH...intergrown/twinned xls without matrix. Damage to the two high parts. Barstow green stock label. 30x20x20mm. £30...£30. 14) CASSITERITE ALLUVIAL. Neineis, South West Africa. A single dark brown water worn pebble. Old...60x50x40mm. £30. 37) SMOKEY QUARTZ and HEMATITE. West Cumberland. A very nice clean group of a dozen pale |  | | Book | | of Collecting Minerals Gold from Hope's Nose, Devon. 23 x 15 mm. Image© Jeff Scovil. David Lloyd First...permission of the author. Printed and bound in the UK by: BookPrintingUK Remus House, Coltsfoot Drive,... Frontispiece: David Lloyd laddering down a shaft at Bedford United Mine, Devon. Introduction I was born in...Construction Ltd in Paignton, Devon, had a heart attack. I was asked to go to Devon and help run the small works...uncle was one of the main building contractors in Devon for S. N. W. Homes, a division of the English China |  | | Book | | copyright holder is strictly forbidden. Published in England by Dragon’s World Ltd, Limpsfield and London All...Rubinstein Typeset by Bookworm Typesetting, Manchester, England Printed in Singapore Contents Introduction 7...metal ores are sulphides. The density is usually high and the variable hardness usually low. Metal and...make a long indentation. Start with corundum and go down the scale. If no hardness testing set is available...when they are transparent. Refraction is a slowing-down of the velocity of the incident light as it passes |  | | Journal (issue) | | mmtall fromFrizington, Cumbria,England. Stereomicroscopes The UK ]011malof Mines and Minerals publishes...PUBLICATIONS LTD ISSN 0952-2409 Tom Cotterell 49 NORTH DEVON UNITED MINE Mike Rumsey • Mike Savage 53 ...Worksop, Notts. S80 2EE CLASSIFIED ADVERTISEMENTS UK Journal of Minos & Minerals No. 29 -1- EDITORIAL...stereomicroscope simply requires the user to it down at a bench and look. Specimens are revealed in breathtaking...produced considerable improvements in capabilities of high-end instruments and these have fed into the collector |  | | Journal (article/letter/editorial) | | relatively new find at the National Limestone Company quarry, Pleasant Mills, Snyder County, Pennsylvania. The...found with iron phosphates in certain ecomonic “limonite” deposits and in some productive sedimentary phosphate...localities. It is apparently not common in the New England states, with only a few minor occurrences recorded...recent years at the National Limestone Company quarry on Lime Ridge, Mount Pleasant Mills, Snyder County...3. A fine 8.2-cm-high wavellite specimen from the National Limestone Company quarry on Lime Ridge Mountain |  | | Journal (article/letter/editorial) | | RADIOLARIAN ROCKS ~n the Lowv.~ CVLm MmS~aES of DEvoN, COa~WALT., and W~sT SOM~aSET. By GEORGE JEN~INGS................. 615 (a) Barnstaple District, N. Devon. (t~) Dulverton, W. Somerset. (c) Ashbrittle, W...Holcombo Rogus, Canonsleigh, and Westlelgh, N.E. Devon. IV. V. VI. VII. VIII. IX. X. XI. (e) Bosc~stle...District, Devon. (/~) Ramshorn Down, near Bovey Tracey, S.E. Devon'. (i) Chudleigh District, Devon: (k) Bishopsteignton...Bishopsteignton, near Teignmouth, S.E. Devon. Mode of Occurrence of the Radiolarian Rocks .......... |  | | Book | | in china clay pits and stone quarries, and even down mines. The joy of discovering something so intriguing...for free. The possibility of a trip to Portland quarry was also discussed – Mrs Cowie suggested that more...look into the chances of a subsidized outing to a quarry such as Portland and to arrange a trip to Barton-on-Sea...meantime, he would write to Mr Linham at Perry Field quarry on Portland and also circulate the member- ship...Museum, Charmouth, Shelford Sandpit, Malden quarry, Alton quarry, the Forest of Dean, the Wessex Impex factory |  | | Catalog/List | | Location. li ht brownplate5 in Felspar. (Burpala, North Pribayikalie,Rus ia ~ x )i i ns f4 . 50 477 VUONNF'MITE...sections in pale Tale. (Kyle of Lochalsh by Loch Duich West Scotland) ~ lx2 70p ins 2x2 ins El.SO 004 AERINITE...hard white sphere shaped nodule. (Newhaven,Sussex,England) 1" 50p 2". fl.00 3" El.GO 4" E3.80 • 017 ANALCITE...mass with Muscoviteor Quartz. (Cabracao, Minho,North Portugal) lxl 60p lx2 f.1 2x2 E2.20 023 Af'HYDRITE...rich grey, faintly blue masses (Staffordshire, England) lx2 40p 2x2 80p 2x4 El.SO 80p 168 ANORTHOCLASE |  | | Journal (issue) | | l.llr.::r.m o:1~. ~ fn ►•:, u, 1b.: .\~-nl h .~ UK =.......................................... Wales & West.... . 12 .........................................toes. We have a fast approaching AGM held by the North West Branch and it looks to be a great week end with...a new member who went on an invite to his first quarry and was so interested he joined the society and...thank you to Lynda Garfield who has stepped down as Wales & West secretary for a much earned break. Her contributions |  | | Catalog/List | | Tregeseal, St. Just, car Penzance, Cornwall, England. ORDti\DIG lJ.'iFOR [ATION Mail orders are promptly...clove-brown on massive. 4x2". £8. AZURITE. Tsumeb, South West Africa. Bright crystals partiJlly altered to MiJlochite...tourm31ine between kJolinised granite. Good example of high-gr3de vein. 4x2". £J.. ~.SSITEnITE. Boswedden Mine...Inter~rown mass of white jJckstr'Cw cryst31s with minor limonite. li-xl". £2. CEl\USSITE. Pentire Glaze Mine, ...~i.! or cJlcite. £1.50. 1ITHSONITE. Tsumeb. South West ,.fric3. Choice green crystels coopletely encrusting |  | Kampf, Anthony R., Adams, Paul M., Barwood, Henry, Nash, Barbara P. (2017) Fluorwavellite, Al3(PO4)2(OH)2F·5H2O, the fluorine analog of wavellite. American Mineralogist, 102 (4) 909-915 doi:10.2138/am-2017-5948 | Journal (article/letter/editorial) | | in aluminous, low-grade metamorphic rocks, in limonite and phosphate-rock deposits, and more rarely in...early 1780s at the High Down quarry near Barnstaple, Devon (Devonshire), England, and was formally described...apfu. Another author (P.M.A.) noted F contents as high as 1.03 apfu for wavellite crystals from the Silver...confirmed by structure refinements conducted on high-F crystals from the Silver Coin mine and from the...Dana (189, p. 842–8432) for wavellite from Devon, England (Table1 1), which contains 0.43 F apfu, presumably |  | | Book | | caverns. But most geological activity occurs deep down beneath our feet, unseen by us, as Earth’s crust... Located on an island about 300 km (185 miles) north of Yellowknife, the Acasta River deposit is believed...increase. If the temperature and pressure become high enough — usually several kilometers below Earth’s...meteors. Eventually the atmosphere slows the meteor down and it falls to the ground, at which point it ...explains the images of lunar astronauts bouncing high off the ground. The Moon and Mars also get hit |  | | Book | | and major inversion of Wessex Basin structures West Wight Sea rove Ba Mbr+ Osborne Member Fishboume...End Member Colwell Ba Member Totland Ba Member West Wight Selsey Sand Formation 2.59 ?28.1 10.7 to...a restricted North Sea Basin Upto43 65 to 70 18to 35 Upto 22 u to 116 Paris and North Sea basins linked...ro ,_J Zi Chalk Formation Grey Chalk Subgroup West Melbury Marly (Chalk Group) Chalk Formation Upper...Formation Group :>-, ,_ ;... ro i:i:l 1.8to3.6 North Atlantic continues to open and development of the | | | Book | | caverns. But most geological activity occurs deep down beneath our feet, unseen by us, as Earth’s crust... Located on an island about 300 km (185 miles) north of Yellowknife, the Acasta River deposit is believed...increase. If the temperature and pressure become high enough — usually several kilometers below Earth’s...meteors. Eventually the atmosphere slows the meteor down and it falls to the ground, at which point it becomes...explains the images of lunar astronauts bouncing high off the ground. The Although Earth is more than |  | | Book (edition) | | and bars Tidal surges in the North Sea Submergence in south-east England Coast protection works Marine...stone Decay of stonework in cities Selection of quarry site Armour stone Roofing stone Road-stone and...periods-for instance, the subsidence of areas such as the North Sea, or the geologically recent uplift in Scandinavia...margin to deep ocean floor. Based on data from the North Atlantic (after Heezen, Tharp and Ewing, 1959)....rise, perhaps several hundred miles wide as in the North Atlantic, with a diminishing gradient. Eventually |  | | Book | | MineralogicalRecord.com I IIMORIITE-(Y) EUROPE FRANCE Trimouns quarry, Luzenac, Ariege. Operated for talc since the beginning...beginning of the 20th century, the Trimouns quarry became well known to collectors around 1990 for the...extensive blasting for construction of an extension to High,, ay 5 revealed veins of massive calcite in metasedimentary...1991). Simdeled, Aust-Agder. Early in 1999, in a quarry near S~ndeled, collectors opened a pocket containing...PORTUGAL Montijos quarry, Monte Redondo, Leiria Estremadura. The Montijos gabbro quarry at Monte Redondo |  | | Journal (article/letter/editorial) | | mineralized Mn deposits at Merehead Quarry, Cranmore, Somerset, England R. TURNER* The Drey, Allington Track...Track, Allington, Salisbury SP4 0DD, UK ABSTR ACT Mississippi Valley type galena deposits emplaced into...chemically, leading to closedsystem behaviour. The high-T phases at Merehead are similar to those found...deposits, oxychloride, Somerset, Mendip, Merehead, England. Introduction T HIS paper presents a new theory...formation of the mineralized Mn deposits at Merehead Quarry which accounts for all the features of the deposit |  | | Journal (issue) | | .. LisT OF Fo~ns FROM THE GREAT OoLITE SERIES DOWN TO THE RHAETO-LIA~IC IN THE BOREHOLE (H.C.1.-C.)...Cretaceous and Jurassic formation was then penetrated, down to a RhaetoLiassic conglomerate at 4501 ft 1 in...facies. The only previous borehole in southeast England providing as comprehensive a set of cores of Mesozoic... Although the site of the borehole is 2½ miles north of the present Chalk escarpment it evidently lay...shoreline. In the Addington (1937) Borehole, 4 miles north-north-east of Warlingham (record given in full by Buchan |
|
