 | | Journal (article/letter/editorial) | | south-west England SURFICIAL GEOCHEMICAL SIGNATURES OF TIN AND TUNGSTEN DEPOSITS NORTH OF THE ST. AUSTELL...tungsten deposits north of the St. Austell Granite. Geoscience in south-west England, 10, 000-000. A large regional...soil geochemical survey of the area north of the St. Austell Granite shows the distinct signatures of...Sn. Tungsten enrichment is present in the Castle-an-Dinas area associated with As and the mined vein...around specific late granites (especially Castle-an-Dinas) and mineralised veins, both Sn and W bearing |  | | Journal (article/letter/editorial) | | E. H. Davison—Castle-an-Dinas Wolfram Mine. 347 under this name seem to belong to Kayser's species...(Torquay Museum.) On the Geology of Castle-an-Dinas Wolfram Mine. By E. H. DAVISOX, B.SC. fFHERE are...named Castle-an-Dinas in West Cornwall, •*- one near Penzance and the one on which the Wolfram Mine is situated...about 2 miles east of St. Columb Major and about 4 miles to the north of the St. Austell granite mass... pp. 173, 225. 348 E. H. Davison—Castle-an-Dinas Wolfram Mine. The hill rises 700 feet above sea-level |  | | Report (issue) | | Mineral investigations near Bodmin, Cornwall. Part 5-The Castle-an-Dinas wolfram lode BRITISH GEOLOGICAL...Mineral investigations near Bodmin, Cornwall. Part 5-The Castle-an Dinas wolfram lode K. E. Beer, BSc, CEng...geochemical maps of p arts of south Devon and Cornwall 45 Mineral investig ations near Bodmin, Co·nwall...copper occurrence in the Tremayne area of St Columb Major 46 Gold mineralisation at the southern margin...Wheal Reeth, Godolphin, Cornwall 82 Mineral investig ations near Bodmin, Cornwall. Part 4-Drilling at Royalton |  | | Journal (article/letter/editorial) | | Vol. XXVIII On rashleighite, a new mineral from Cornwall, intermediate between turquoise and chalcosiderite...mineral here described was at first considered to be an iron-rich T variety of turquoise and was described...localities, Bunny mine, St. Austell, and Castle-an-Dinas wolfram mine, St. Columb Major. As a result of... and forming a middle member of what is probably an isomorphous group. The name rashleighite commemorates...R.S., F.G.S., F.S.A., 1729-1811, of Menabilly, Cornwall, one of the earliest of Cornish mineralogists |  | | Report (issue) | | 3LA No.82 Mineral investigations near Bodmin, Cornwall. Part 4Drilling at Royalton Farm BRITISH GEOLOGICAL...Report No. 82 Mineral investigations near Bodmin, Cornwall. Part 4- Drilling at Royalton Farm Geology K...Programme Reports 36 An appraisal of the VLF ground resistivity technique as an aid to mineral exploration...parts of south Devon and Cornwall 45 Mineral investigations near Bodmin, Cornwall. Part 2-New uranium, tin...copper occurrence in the Tremayne area of St Columb Major 78 Exploration for porphyry-style copper mineralisation |  | | Journal (article/letter/editorial) | | THE MINERALOGICAL MAGAZINE AN I) J O U R N A L OF T H E M I N E R A L O G I C A L SOCJETY No. 161 June...information that the material came t'rom the Castle-an-Dinas wolfram mine, and contained bismuth and tungsten...was begun. The mineral has all tile attributes of an alteration product probably of native bismuth. It...mineral. Spectrographs of the two are identical, but an X-ray powder photograph of the green mineral is quite... H . H E Y , F. A. BANNISTER, AND A. RUSSELL ON An examination of the X-ray powder photograph of the |  | | Report (issue) | | Report 1 07 Mineral investigations near Bodmin, Cornwall, Part 6 The Belowda area K E Beer, B R Mountford...Resources Series Mineral investigations near Bodmin, Cornwall Part 6 The Belowda area K E Beer, BSc, FIMM B...arca site/galena vein from the Gwynfynydd Gold Mine, near Dolgellau in North Wales This report was...R C. 1989. Mineral investigations near Bodmin, Cornwall. Part 6:The Belowda area. British Geological Survey...Great Britain and Northern Ireland (the latter as an agency service for the government of Northern Ireland) |  | | 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) | | mineralised granite aureoles Geoscience in south-west England, 10, 042-049 The REE distribution patterns in...Tregonning Granite aureole, have shown that there is an increase in the REE contents close to the contacts...depletion anomalies and that reliance on this feature as an indication of granite differentiation is suspect...showed that oxidation of Ce3+ to Ce4+ takes place in an alkaline environment under surface conditions. In...in Figure 1. Exley et al. (1983) proposed three major granite types (A, B and C) with two further variants |  | | Journal (article/letter/editorial) | | and 161lingite at the New Consols mine, Stolce Climsland, Cornwall. By P. G. EMBREY, B.A., B.Sc., A.R...trace elements in the New Consols mine, Stoke Climsland, Cornwall. Unfortunately, I was unable to collect...presence on a specimen was recognized only after the mine had been abandoned and become flooded. This locality...of the small number of reported occurrences in Cornwall. S BERYL. The beryl was found in specimens...52-fathom level. Most of the pegmatite, which has an ill-defined junction with the surrounding killas |  | | Report (issue) | | 1.60 Total 100.48 94.15 100.00 (1) Castle-an-Dinas mine, England. (2) Flo property, Canada; by electron...85 Fe0.15 )Σ=1.00 O6 . (3) Bi2 WO6 . Occurrence: An alteration product of earlier bismuth minerals in...tourmaline, quartz. Distribution: In England, at the Castle-an-Dinas mine, St. Columb Major, and the Hingston...Hingston Down quarry, Calstock, Cornwall; and from Buckbarrow Beck, Corney Fell, Cumbria. In Germany,...Himmelsfürst mine, Erbisdorf, near Freiberg, and at Altenberg, Saxony, and in the Clara Mine, near Oberwolfach |  | | Journal (article/letter/editorial) | | September, 1924. Vol. XX. Topaz from Cornwall, with an account of its localities. By Arthur Russell...Russell. [Read January 15, 1921.] rpOPAZ, so common an accessory in tin lodes in all parts of the world...hitherto been looked upon as comparatively rare in Cornwall. When massive, or even in the form of small, well-developed...overlooked, or apt cursorily to be mistaken for quartz. The presence of topaz as a microscopic accessory...mass, thus affording evidence that topaz is in Cornwall, as in the case of other countries, a comparatively |  | | Report (issue) | | Mineral profile Mi neralsUK C en t re f o r su st ain ab le m in eral d evelo p m en t January 2011...element known to be used by any living organism and is an essential nutrient for some bacteria. However, it...temperature increases; a low coefficient means that an element expands little as temperature rises. 3 Tungsten...Devon, UK. The tungsten is present in wolframite, the dark mineral along the edge of the quartz vein in...in Table 2. 4 Non-stoichiometric compounds have an elemental composition that cannot be represented |  | | Journal (article/letter/editorial) | | Sc.D., for kindly reading through the MS.; to Mr. St. George Gray, F.S.A., who kindly allowed me to examine...Constantine. Cam Menelez granite mass. Rocks. Granite. St. Michael's Mount. Greisen and pegmatite. Greisen...Q uartz-porphyry. Parbola Mine. Rosewarne Mine. Relistan Mine. Wherry Mine.3 3 4St. Dennis Consols. Wheal...Brawse Qy. Royalton Qy. St. Agnes Beacon. Rocks. Quartz-porphyry. ,, Granite. Quartz-porphyry. „ WhealBusy...being the clearest. VEINSTONE FROM SOUTH CROFTY MINE, NEW COOK'S SECTION. This vein occurs in a slate |  | Clark, A.H., Chen, Y., Farrar, E., Wasteneys, H.A.H.P., Stimac, J.A., Hodgson, M.J., Willis-Richards, J., Bromley, A.V. (1993) The Cornubian Sn-Cu (-As, W) Metallogenetic Province: product of a 30 m.y. history of discrete and concomitant anatectic, intrusive and hydrothermal events. Proceedings of the Ussher Society, 8 (2) Ussher Society. | Journal (article/letter/editorial) | | the Pennsylvanian to the Early Permian, spanning an interval of 25-30 m.y. U-Pb dates for magmatic monazites...lending support to an origin related to retrograde boiling of apical magmas. Major Sn-Cu lode development...the lodes of the South Crofty mine took place prior to intrusion of the St. Austell and Land's End plutons...M. J. Hodgson, South Crofty Mine, Dudnance Lane, Pool, Redruth, Cornwall TR15 3RS. J. Willis-Richards...Rosemenowas, Penryn, Cornwall TR10 9DU. A. V. Bromley, Petrolab, Wilson Way, Pool, Redruth, Cornwall, TR15 3RS. |  | | 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...Similar late-stage granitic rocks occur also in SW England, but a later topaz granite, enriched in F, Li and...have formed by late magmatic crystallisation from an aqueous phase enriched in metals and derived by exsolution |  | | Book | | and line-drawings give an insight into the peoples who have occupied Cornwall over the last eight thousand...people, who first brought the use of metal to Cornwall, traded with Ireland and the Middle East. They...who otherwise made little impression on remote Cornwall. The departure of the Romans from Britain heralded...who brought Christianity to Cornwall a hundred-and-fifty years before St. Augustine landed in Kent to...inclusion of Cornwall as part of England for the first time in history. The author came into Cornwall nearly |  | | Journal (article/letter/editorial) | | PROSPECTIVITY OF BAYES’ THEOREM TUNGSTEN IN SOUTH-WEST ENGLAND USING M.W.C. BARR 1 AND R.C. SCRIVENER 2 Barr...tungsten in South-West England using Bayes’ Theorem. Geoscience in South-West England, 13, 274-285. Bayes’...surrounding country rocks of the southwest peninsula of England. The approach uses the distribution of known tungsten...the eastern margins of the Carn Marth Granite to St Agnes and Cligga Head with small outliers elsewhere...South-West England. INTRODUCTION METHOD The southwest peninsula of England has been an important source |  | | Journal (article/letter/editorial) | | elvans and lamprophyres. Geoscience in South-West England, 13, 459-470. The TellusSW survey of 2013-4 consisted...Radiometric data are particularly useful in providing an overview of units within individual granite plutons...and eK. Rose Cottage, Church Hill, Calstock, Cornwall, PL18 9QQ, U.K. and Camborne School of Mines,... INTRODUCTION Geological mapping in Devon and Cornwall and subsequent interpretation is often difficult...magnetic surveys were first flown in Devon and Cornwall in 1956 and 1957-9, respectively. Regional geochemical |  | | Book | | undifferentiated Head Raised Beach Solid formations Pliocene St Erth Beds Devonian M ylor Slates Gramscatho Beds...Beds Igneous rocks Cretaceous Phonolite Permian Quartz-porphyry, felsite and microgranite (Elvan) Carboniferous...copper since the Bronze Age. Only the Geevor tin mine was still open in 1986, but the vigorous development...district featured on Maton 's geological map of Cornwall in 1797 and accounts, both of the minerals and...contemporaneous with the Mylor Slates, are described and an account is given of their folding and faulting during |  | | Journal (article/letter/editorial) | | Vol. XXlX On the occurrence of turquoise in Cornwall. By SIR ARTHUR RVSSELL, Bart. W i t h a chemical...mentioned t h a t most of the mineral from the Bunny mine, St. Austell, was in colour light blue-green, but...turquoise-blue. Likewise, at the Castle-an-Dinas wolfram mine, St. Columb Major, there occurred rarely in addition...Speefinens of this turquoise were found at the Bunny mine, associated with varlamoffite. 8 ][ have since found...the Gunheath china-clay pit, St. Austell (six-inch ordnance map, Cornwall, 41 SE., 1908), which lies some |  | | Journal (article/letter/editorial) | | Geoscience in south-west England ASPECTS OF THE LITHOGEOCHEMISTRY OF ARSENIC, ANTIMONY AND BISMUTH...BISMUTH IN SOUTH WEST ENGLAND T. K. BALL, N. J. FORTEY AND K. E. BEER Ball, T.K., Fortey, N.J. and Beer, K...antimony and bismuth in south west England. Geoscience in south-west England, 10, 352-357. As, Sb and Bi are...mineralisation and it is often difficult to determine an effective background level resulting from widespread...contain much lower levels. Tourtelot (1964) noted an average for shales of about 13 ppm in offshore marine |  | | Journal (volume) | | Prelims.indd 1 01/12/2014 11:14 © COPYRIGHT CORNWALL ARCHAEOLOGICAL SOCIETY 2014 No part of this volume...prehistoric site and fogou at Boden Vean,1 St Anthony-in-Meneage, Cornwall, 2003 JAMES GOSSIP Excavations at Scarcewater...Scarcewater Tip, Pennance, St Stephen-in-Brannel 99 ANDY M JONES and SEAN TAYLOR Archaeological excavations...Madron, Cornwall135 ANDY M JONES Kingswood round: an enclosure at Kingswood Farm, Cardinham, Cornwall171...End pipeline197 ANNA LAWSON-JONES Castle-an-Dinas, St Columb Major: a new survey223 SHARON SOUTAR Roman |  | | Report (issue) | | Bodmin, Cornwall Part 2-New uranium, tin and copper occurrences in the Tremayne area of St Columb Major...Bodmin, Cornwall Part 2-New uranium, tin and copper occurrences in the Tremayne area of St Columb Major...south-west Cornwall Geochemical and geophysical investigations around Garras Mine, near Truro. Cornwall Molybdenite...Argyllshire. Scotland Geophysical surveys around Talnotry mine. Kirkcudbrightshire. Scotland A study of the space...its application to detailed gravity surveys in Cornwall Mineral investigations in the Teign Valley, Devon |  | | Report (chapter) | | building and decorative stones of Cornwall, UK COLIN M. BRISTOW Cornwall Geoconservation Group, Ty Gwyn...Gwyn, 46 Chatsworth Way, Carlyon Bay, St Austell, Cornwall, UK (e-mail: mail@colinbristow.com) Abstract:...varied suites of igneous and sedimentary rocks, Cornwall has a rich variety of building and decorative...such as elvan and sandrock, do not occur outside Cornwall, so local stone provides much character to the...Carnmenellis Granite (mainly in Mabe parish), in the St Austell Granite (Luxulyan, Carn Grey and the china |
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