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Topaz from
Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK


Locality type:Pit
Classification
Species:Topaz
Formula:Al2(SiO4)(F,OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Topaz data
Locality Data:Click here to view Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:11093
Long-form Identifier:1:3:11093:6
GUID (UUID V4):5dfe4ef1-43e4-41a6-9e3a-9435da41a0e0
Nearest other occurrences of Topaz
0.6km (0.4 miles) Old Beam Mine (Great Beam Mine), Bugle, Treverbyn, Cornwall, England, UK
0.9km (0.5 miles) North Goonbarrow China Clay Pit, Roche, Cornwall, England, UK
1.1km (0.7 miles) Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
1.8km (1.1 miles) Higher Ninestones China Clay Pit, Carbean, Treverbyn, Cornwall, England, UK
5.7km (3.5 miles) Belowda Beacon, Belowda, Roche, Cornwall, England, UK
6.0km (3.7 miles) Belowda China Clay Pit, Belowda, Roche, Cornwall, England, UK
7.4km (4.6 miles) Castle-an-Dinas Mine, Castle-an-Dinas, St Columb Major, Cornwall, England, UK
8.3km (5.2 miles) Wheal Remfry China Clay Pit, Fraddon, St Enoder, Cornwall, England, UK
8.7km (5.4 miles) Melbur China Clay Pit, Melbur, St Stephen-in-Brannel, Cornwall, England, UK
9.4km (5.8 miles) Dyer's Quarry, Chytane, St Enoder, Cornwall, England, UK
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
Chemical variation in tourmalines from south-west England D. A. C. MANNING Manning, D.A.C. 1991. Chemical...Chemical variation in tourmalines from south-west England. Proceedings of the Usher Society, 7, 327-332. It...been recognised that tourmaline from south-west England shows complex compositional variation on all scales...Introduction The Hercynian granite province of south-west England is famous for its long history of mineral extraction...addressed the occurrence of the mineral in south-west England (Power 1968; Lister 1979). The purpose of this
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
Journal (article/letter/editorial)
Geoscience in south-west England CURRENT WORLD STATUS OF KAOLIN FROM SOUTH-WEST ENGLAND I.R. WILSON Wilson...from south-west England. Geoscience in south-west England, 10, 417-423. In 2001, Cornwall and Devon produced...dominates with 88% of kaolin sales from south-west England with Goonvean (8%) and WBB Minerals (4%). The market...calcium carbonate in paper, the china clay industry in south-west England has been under attack. However...Consultancy, Withielgoose Farmhouse, Withiel, Bodmin, Cornwall, PL30 5NW, U.K. (E-mail: ian.r.wilson@btinternet
Journal (article/letter/editorial)
EconomicKaolinization,GoonbarrowChina Clay Pit, St. Austell, Cornwall, England:GeologicRelationships and...Goonbarrowchina clay pit, locatedin the upper Carboniferous(Westphalian)St. Austellgranite, Cornwall, England,consistof...boundarywasrelatedto cauldronsubsidence. In southwest England,zonesof completelykaolinizedgranite('-'5-25 wt...MINERALIZATION, CORNWALL,ENGLAND TABLE 1. 1065 Estimated World Production of Refined Kaolin, 1979 England(IndustrialMinerals...all the other granitic intrusions in southwest England,isconUnited States 7,000,000 $9 nectedat depth
Journal (article/letter/editorial)
University of Exeter, Camborne School of Mines, Penryn, Cornwall, TR10 9FE, United Kingdom *Corresponding author:...other similar rare-metal granites suggest that topaz granite is the most prospective for disseminated...the potentiality of 3 granite types i.e. biotite, topaz and tourmaline granites suggest that biotite granites...the recovery of Rare Earths. REE projects outside China, which re-opened or 66 opened after the 2011 spike...such as those from the 76 kaolin industry in Cornwall, UK, have proven to be a potential source for REE
Journal (article/letter/editorial)
in topaz for greisenisation and mineralisation in the Hensbarrow topaz granite, Cornwall, England Received:...inclusions in topaz from greisens in the Hensbarrow topaz granite stock (St. Austell, Cornwall) are used...for late stage greisening and mineralisation. The topaz contains an abundant and varied suite of inclusions...Mn+2)2(Nb,Ta)2W+6O10]. Primary L + V inclusions in topaz show relatively high Th (mainly 300 to >500 °C)...0–50 wt % NaCl equivalent). Textures indicate that topaz formed earlier than quartz and the fluid inclusion
Journal (article/letter/editorial)
chemical properties are used in porcelain, bone china, earthenware and sanitaryware. Six refined clays...taken from Wheal Prosper, Goonvean and Rostowrack China Clay Pits, chosen to represent the complete range...relationship exists between the strength of the clay and the smectite content. Using a procedure for...Exeter, Redruth, Cornwall TR15 3SE. F. W. Hart and D. Smith, Goonvean and Rostowrack China Clay Company, St...Austell, Cornwall PL26 7QF INTRODUCTION The kaolinised granites of the St Austell area, Cornwall, are an
Catalog/List
ecimens as half phosphatic geodes from the Hiocene clay vith lmm,yellow-green,tabular xtls in aggregates...FRANCOLITE. Simms Lode,Geevor Mine,Trewellard,Cornwall. Choice,very rich specimen. Ferruginous Quartz...hexagonal xtls. LC,t.20. 15. APATITE. Goonbarrow China Clay Pit,St Austell,Cornwa11. Granite fragment...ARAGONITE/ROCK CRYSTAL. Greystones Quarry,Launceston,Cornwall. Large milky Quartz breccia fragment with upper...18. ARSENOPYRITE.Hingsten Down Quarry,Calstock,Cornwall. 2 specimens. Specimen A-matrix fragment richly
Journal (article/letter/editorial)
TIN STOCKWORK MINERALIZATION IN THE SOUTH-WEST ENGLAND OREFIELD S.C. DOMINY, G.S. CAMM, M.A. BUSSELL ...tin stockwork mineralization in the south-west England orefield. Proceedings of the Ussher Society, 8...of mineralization encountered in the south-west England orefield less typical than the characteristic composite...Prince Consort Road, London SW7 2BP. INTRODUCTION Cornwall was formerly one of the world's greatest tin and...The earliest mention of stockworks in south-west England addressed the cassiterite-bearing Carclaze deposit
Journal (article/letter/editorial)
Natural History Museum, Cromwell Road, London SW7 5BD, UK Department of Earth Science and Engineering, Imperial...Imperial College, Prince Consort Road, London SW7 2BP, UK Department of Chemical Engineering, Imperial College...College, Prince Consort Road, London SW7 2BY, UK ABSTR ACT Recent experimental studies have suggested...inclusions of quartz contained in greisen topaz from southwest England. Confocal and microprobe studies, presented...shrinkage bubbles, found in greisen topaz from southwest England. At about the same time as the greisen
Journal (article/letter/editorial)
(Sn, Nb, W) as by-product of kaolin production, Cornwall: Part1: Selection and characterisation of the...97% of the REE world production is provided by China, which has recently reduced its exports in order...to re-opening of large mining projects outside China, such Mountain Pass (United States) and Mount Weld...significant interest. The Cornubian China clay deposits in the UK could prove a valuable resource of rare...Willis-Richards and Jackson, 1989). Kaolin extraction in Cornwall and its associated generation of size-classified
Journal (issue)
Watercolour commissioned for Paul A. Lowe, Truro, Cornwall. UKjourna! & 1ninera!s of mines CONTENTS...NODULES from BOULBY MINE DI Green· MD Freier 8 The UK Journal of Mines 011d Minerals publishes articles...------------- 21 ------------- THE MINERALS of the CHll A CLAY PITS S \Veiss The views and opinions expressed...•lick Cooper has tirelessly devoted himself to the UK Journal of Mines and Minerals for several years in...period~ve have seen publications dealing with Cornwall and Devon, the Lake District, the Caldbeck Fells
Report (chapter)
evolution of a basin and high: kaolinization in the SW England granites in relation to the development of the...Road, University of Manchester, Manchester M13 9PL, UK 2 Present address." B'Parodos Andrea Miaouli 9, Katerini...1959; Bristow 1968; The granite batholith of Cornwall is a 200 kmlong and 40kin-wide plutonic body of...TourmalineGranite(globular quartz & equigranularfacies) Topaz Granite ~ 59 , /'~ ~, ~ \' _ +/r-u247 -...et al. 1980; Bristow 1993). The boundaries of china-clay pits are shown for the year 1993.1 Wheal Remfry
Journal (article/letter/editorial)
Keyworth, Nottingham NG12 SGG, UK ’ British Geological Survey, Exeter EX4 6BX, UK (Received May 25, 1992, accepted...Abstract-The metalliferous ore deposits of southwest England are associated with biotite-muscovite granites...Crafty Mine / ‘Hemerdon W-Mine \ G&&arrow Clay Pit 0 4O kilometers 50-h L(b FIG. I. (a) Generalized...geologic map of the Comubian batholith in southwest England, modified from et al. ( 1969) and WILLB-RICHARDSand...1988) and the Cornubian metalliferous-province, England ( HALLIDAY, 1980; DARBYSHIRE and SHEPHERD, 1985;
Journal (issue)
muscovite, and albite from Hu Ya, Ping Wu, Sichuan, China. The crystals tend to be coated with a thin waxy...import major selections of mineral specimens from China. He has been designing and selling trimmers for...well as a number of solution cavities filled with clay or sandy sediment. The vugs generally contain quartz...in the middle of Roscommon Cliff at St. Just, Cornwall. "The middle" being approximately halfway between...matrix. This year also provided new material from China. This was the year of glued scheelite and cassiterite
Journal (article/letter/editorial)
HYROTHERMAL ACTIVITY IN THE GRANITES OF SOUTH-WEST ENGLAND A. HALL AND D.H.M. ALDERTON Hall, A. and Alderton...hydrothermal activity in the granites of south-west England. Proceedings of the Ussher Society, 8, 242-247...Hydrothermal alteration in the granites of south-west England has resulted in substantial enrichment in ammonium...amount of data so far available for south-west England shows that some ammonium enrichment is present...activity is widespread in the granites of southwest England, and it is associated with the extensive mineralization
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...late-stage granitic rocks occur also in SW England, but a later topaz granite, enriched in F, Li and P, also...from a B and metal-rich magma, whereas the SW England mineralisation involved essentially post-magmatic
Journal (article/letter/editorial)
associated with the Cornubian Batholith of southwest England: Direct dating of cassiterite by in situ LA-ICPMS...Abstract The Cornwall and Devon vein- and greisen-type copper and tin deposits of southwest England are spatially...Keywords Cornwall . Devon . Cornubian . Cassiterite . Tin . U–Pb . Geochronology . LA-ICPMS . England Introduction...tin and copper deposits of Cornwall and Devon, in the southwest of England, have been a valuable commodity...2016). The aforementioned geochronology studies in Cornwall and Devon focused on dating the granitic host
Journal (article/letter/editorial)
a guide to fluid processes in the southwestern England orefield: An ion microprobe study M. P. SMITH Department...revised of Leeds, j&m Leeds December LS2 9JT. UK 29. 1995 ) Abstract-The boron isotopic composition...from a series of sites in the western southwest England orefield has been determined using ion microprobe...tourmalines from selected localities in the southwest England orefield have been determined. The source of boron...during the growth of tourmaline. The southwest England orefield shows a long history of hydrothermal activity
Report (issue)
Consultative Committee Mineral Dossier No 26 China Clay by D E Highley, BSc, MIMM, MIGeol Minerals Strategy...No7 Salt No8 Sulphur No 9 Tin No10 Talc No11 Ball Clay No12 Slate No13 Gypsum and Anhydrite No14 Gold ...Rock Bauxite, Alumina and Aluminium Perlite Common Clay and Shale Limestone and Dolomite Fireclay Silver...request. Acknowledgements The help of The China Clay Association; English Clays Lovering Pochin and...Bearne and Co. PLC; The Goonvean and Rostowrack China Clay Co. Ltd, and Steetley Minerals Ltd in giving
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:...Austell Granite, Cornwall. M. STONE: Geochemistry and origin of the Carmenellis pluton, Cornwall: further considerations
Journal (article/letter/editorial)
GeothermalEnergyProject,CamborneSchoolof Mines,PenrynTR109DU, Cornwall,Ur•itedKingdom DAVID A. C. MANNING, Departmentof...the Sn recoveredfrom the province(Hosk- Li mica,topaz,apatite,fluorite,betrandite,chlorite, stilbite,...Remfry m-wide zone which has suffered pervasive,weak pit within the westernlobe of the St. Austellgranite...steeplydippingtabularintrusionsome650 m long and topaz (Hall, 1971; Moore, 1977; Charoy, 1979, and 120...Camborne-Redruthdistrict (Fig. ring asearthyred clay. 1108 JACKSON, WILLIS-RICHARDS, MANNING,ANDSAMS
Book
GEOLOGY OF ,,, ,,. F .. THE GEOLOGY OF CORNWALL Cornwall is renowned for its spectacular rocky coastline...seventeenth century. This book reviews the importance of Cornwall in the development of geological thought in Britain...of notable scientific interest. The Geology of· Cornwall is a companion volume to The Geology of Devon...org/details/geologyofcornwal0000unse THE GEOLOGY OF CORNWALL AND THE ISLES OF SCILLY Edited by E.B. Selwood...Liskeard High: E.B. Se/wood The Structure of East Cornwall: K. P Isaac Culn1 Basin: JR. Andrews The Boscastle-Tintagel-
Report (issue)
world, especially the Hemerdon deposit in Devon, England. It is also analogous to Climax-type molybdenum...muscovite, manganosiderite, sericite, chlorite, clay, and iron oxide. These veins typically show complex...bismuthinite, and chlorite. Two common greisen minerals, topaz and tourmaline, are scarce. Quartz, scheelite, fluorite...limonite- and hematite-rich quartz, with sericite, clay, and some relict pyrite. Boyle and Howes (1983)...equilibria presented by Burt (1981), the paucity of topaz at Baid al Jimalah, in addition to the the presence
Journal (article/letter/editorial)
tungsten deposit in the southern Jiangxi province, China G. Giuliani i, y. D. Li 2, and T. F. Sheng 3 ORSTOM...Brazil Jiangxi Bureau of Geology, Nanchang, Jiangxi, China 3 Chinese Academy of Geological Sciences,Institute...Mineral Deposits, 26 Baiwanzhuang Road, Beijing,China Abstract. The Xihuashan tungsten deposit is closely...In the upper part the minerals are cassiterite, topaz, and beryl, while wolframite, molybdenite, and bismuthinite...hydrothermal veins from tungsten ore deposits in southern China. The hydrothermal evolution results from a complex
 
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