 | Cameron, D. G., Leake, R. C., Scrivener, R. C., Bland, D. J., Marsh, S. H. (1994) Exploration for gold in the Crediton Trough, Devon. Part 1 - regional surveys. Mineral Reconnaissance Programme Report 133. British Geological Survey | Report (issue) | | Programme Exploration for gold in the Crediton Trough, Devon. Part 1 - regional surveys Department of Trade...4 Exploration for gold in the Crediton Trough, Devon. Part 1 - regional surveys D G Cameron, R C Leake...133 Exploration for gold in the Crediton Trough, Devon. Part 1 - regional surveys D G Cameron, R C Leake...1994. Exploration for gold in the Crediton Trough, Devon. Part 1 - regional surveys. British Geological Survey...Natural Environment Research Council Polaris House, North Star Avenue, Swindon, Wiltshire SN21EU tr This |  | | Book | | »•*>.?* QOLD in the Counties Of Cornwall and Devon Errata Contents should read; Dedication Acknowledgements..." _ 1 QOLD in the Counties Of Cornwall and Devon G.S.Camm CORNISH HILLSIDE PUBLICATIONS St. Austell...Printed and Bound by the Short Run Press Ltd, Exeter, Devon. - Contents Foreword Page Acknowledgements Preface...Wadebridge District 53 7 Bodmin District 59 8 South Devon District 66 9 Dartmoor District 75 10 Crediton...Index 99 108 Maps and Figures Page Map 1 SW England Simplified Geology. Map 2 District Location. |  | | Journal (article/letter/editorial) | | Remarks on the distribution of Minerals in North Devon.--B~ Tow~s~E~ M. HALL, F.G.S., &c. HE district...systems present a regular sequence of beds from north to south, which, interrupted by the granite of Dartmoor...manganese, are also rarely met with. The quarries of Venn and Swimbridge, in the Mountain Limestone, afford...about the year ! 785. The upper Devonian, in North Devon, admits of the three following subdivisions :...organic remains ; veins of hematite with oxides T. M. HALL ON MIN~KALS IN NORTH DEVON. 213 of manganese |  | | Journal (article/letter/editorial) | | Remarks on the distribution of Minerals in North Devon.--B~ Tow~s~E~ M. HALL, F.G.S., &c. HE district...systems present a regular sequence of beds from north to south, which, interrupted by the granite of Dartmoor...manganese, are also rarely met with. The quarries of Venn and Swimbridge, in the Mountain Limestone, afford...about the year ! 785. The upper Devonian, in North Devon, admits of the three following subdivisions :...organic remains ; veins of hematite with oxides T. M. HALL ON MIN~KALS IN NORTH DEVON. 213 of manganese |  | | Report (edition) | | British Regional Geology I * South-West England r * FOURTH EDITION e ■ - O ” ..y 1835 Geological...British Geological Survey Front cover: Bull Point, Devon (For full explanation see p. ix) NATURAL ENVIRONMENT...Mr. G. Bisson (District Geologist, South-West England), as well as Professor W. R. Dearman and the con...in our knowledge of the geology of south-west England. Most of the great expanse of Carboniferous rocks...Isotopic age-determinations of rocks of south-west England ...... Facing 112 1. . . . List of Geological | | | Report (edition) | | British Geological Survey Front cover: Bull Point, Devon (For full explanation see p. ix) •• ll On 1... G .. Bisson (District Geologist, South--West England), as well as Professor W. R. Dearman and the con...in our knowledge of the geology of south-west England. Most of the great expanse of Carbonif�rous rocks...age-determinations of rocks of south-west . . . . . . . Facing England 1 112 List of Geological Survey Maps and Memoirs...18. 19. 20. 21. 22. 23. Geotectonic map of the north Atlantic region with Greenland and nortl1-east Ca11ada |  | | Book (edition) | | 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 |  | | Book | | A HANDBOOK TO THE MINERALOGY CORNWALL AND DEVON TRUR : PRINTED BY HEARD AND SONS, BOSCAWEN STREET...STREET. HANDBOOK MINERALOGY OF CORNWALL AND DEVON, WITH INSTRUCTIONS FOE THEIR DISCRIMINATION, AND...SECRETARY TO THE MINERS' ASSOCIATION OF CORNWALL AND DEVON; SECRETARY TO THE KOYAL CORNWALL POLYTECHNIC SOCIETY;...THIS HANDBOOK TO THE MINERALOGY OF CORNWALL AND DEVON IS DEDICATED, BY HIS SINCERE ADMIRER AND MOST... &c., DEVON PARAGENETIC .... PART II. ALPHABETICAL LIST OF MINERALS IN CORNWALL AND DEVON PLATES |  | | Report (edition) | | SCIENCES British Regional Geology South-West England (TH [RD EDITION) By E. A. Edmonds, M.Sc. M. C...world war, interest in the geology of south-west England has further inten ified. Much valuable work ha...done, and in 1962 the newly l"ormcd outh-we t England field unit of the Geological Survey began ix-inch...Mr. G. Bisson (District Geologi t. South-We t England, editor). Private workers whose publications have...countryside and natural history of south-west England. An EXHIBIT illustrating the geology and scenery |  | Dekoninck, Augustin, Monié, Patrick, Blockmans, Sabine, Hatert, Frédéric, Rochez, Gaëtan, Yans, Johan (2019) Genesis and 40Ar/39Ar dating of K-Mn oxides from the Stavelot Massif (Ardenne, Belgium): Insights into Oligocene to Pliocene weathering periods in Western Europe. Ore Geology Reviews, 115. 103191 doi:10.1016/j.oregeorev.2019.103191 | Journal (article/letter/editorial) | | ABSTRACT Keywords: Manganese deposit Ardenne Stavelot-Venn Massif K-Mn oxide Weathering 40 Ar/39Ar The occurrence...the Fe-Mnbearing rocks: the Chevron area to the north is located at an altitude of 230–380 m, and the...spessartine, muscovite, chloritoïd, andalusite, hematite) into secondary Mn oxides,—hydroxides and—oxyhydroxides...mine Transinnes quarry Fernie mine and Buderus quarry Fernie mine and Buderus quarry Schrotloch dump...(Wolfstein) Vierstöck (Oberkainsbach) Jägersbuckel quarry (Finkenbach valley) Ober-Sailauf Ober-Sailauf Oberharz |  | | Report (issue) | | 12 Mineral investigations in the Teign Valley, Devon Part 1 - Barytes K.E. Beer, BSc, CEng, FIMM and...1977. Mineral investigations in the Teign Valley, Devon. Part 1 - Barytes. Miner. Reconnaissance Programme...Sci., No. 12, Z6 pp. (Unpubl.) Photocopied in England by the Institute of Geological Sciences il CONTE... Miroell'al investigations on the Tengni VaUey, Devon Part 1 - �arytes K.E. Beer and T.K. Ball Summary...extensions of bary tes mineralisation some 2. 5 km north and 1. 2 km south of the formerly mined strike length |  | | Book (edition) | | 0115-936 3200 e-mail : sales@bgs.ac.uk www.bgs.ac. uk Shop online at.: www.thebgs.co.u.k !Vlurchison House...Business Centre, Harrier \-Vay, Sowton, Exeter, Devon EX2 7Hll 'B' 01392-445271 Fax 01392-445371 Geological...Natural Environment Research Council, Polaris House, North Star Avenue, Swindon, Wiltshire SN2 lEU 'B' 01793-411500...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 |  | | Journal (article/letter/editorial) | | rock is characterized by a quartz þ spessartine þ hematite assemblage. Spessartine grains can reach ca. 200...industry began to decrease slowly; today only the quarry ‘‘Thier del Preu’’ near Lierneux (Fig. 1) is still...Fe2O3, responsible for the crystallisation of hematite in the enclosing redschists, can be explained...XX–XXX XXX XXXX–XXX XXX XXX XXX Mica Chlorite Hematite Rutile X XXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX...corundum (Al), periclase (Mg), sphalerite (Zn), hematite (Fe), rhodonite (Mn), albite (Na), and orthoclase |  | Edmons, E. A., Wright, J. E., Beer, K. E., Hawkes, J. R., Williams, M., Freshney, E. C., Fenning, P. J. (1968) Geology of the Country around Okehampton (Explanation of One-inch Geological Sheet 324, New Series) Memoirs of the Geological Survey. Institute of Geological Sciences | Report (issue) | | MEMOIRS OF THE GEOLOGICAL SURVEY OF GREAT BRITAIN ENGLAND AND WALES Geology of the Country around OKEHAMPTON...Beche. His 'Report on the Geology of Cornwall, Devon, and West Somerset' (1839) was the first memoir...other early Geological Survey maps of south-west England, are undated, but it is believed that they were...'The Metalliferous Mining Region of South-West England'. The district formed part of the area in which...geophysical methods. In 1962 the newly formed South-West England field unit, successively under Dr. F. B. A. Welch |  | | 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 |  | | Journal (article/letter/editorial) | | (pyrite and poikilotopic calcite in the white part, hematite and red coatings in the red part), the amount...stage of detrital opaque minerals (magnetite, hematite, chromite, ilmenite show none or minor alteration... 2. Geological setting During the Triassic the North Sea formed an epicontinental basin which was divided...three minor basins: Southern, Central and Northern North Sea Basins (Fisher and Mudge, 1990; Fig. 1). The...in deep wells in the eastern part of the Central North Sea Basin. Bertelsen (1980) recognized the Skagerrak |  | | Catalog/List | | Drakewalls Hou~e , D~akewalls , Gunnislake , Co~nwall , England. TEL. ~O .: Tavistoc k 032301 (STD 0822) V.A...AUTUNITE. Me,.'rival e !1ua',.:~y , Da~tmoor , Devon'.' Rich c rusts"of light gre en small crystals cove~ing...CHAbAZITE . RamsTey ~li.n~, nea r Sticklepa'eh , Devon. Small sha~p glassy sparkling crystals coveTing...matrix . 1X1"" £14.00 26. CHALCOCITE . Camborne Venn ~1ine , Ctlmborne , C'drnwall. Sharp bri ght silvery-...to 4 mm in size scattu1'ed,OV8T' qua :rtz LlnD hematite mCltl'ix . 2b<2tX1t"" £4 .7Sp 134. NATIVE S ILVER |  | | Journal (article/letter/editorial) | | Springer-Verlag 1979 Kanonaite-Rich Viridines* From the Venn-Stavelot Massif, Belgian Ardennes Ulrich Kramm ...layers of the low-grade metamorphic metasediments north of Salmchfiteau, Belgium, three types of viridine...paragonite, Mg-chlorite, piemontite, braunite, hematite, quartz, rutile, and apatite. In the single-phase...Viridine, quartz, muscovite, paragonite, chlorite, hematite, braunite, rutile, and apatite are present in...variation of the amount of hematite. In contrast to 9039/1, the hematite content of which is estimated |  | | Report (issue) | | :.r. ���: MEMOIRS OF THE GEOLOGIC.AL SURVEY. ENGLAND AND WALES� . , EXPLANATION OF SHEET 295. -...9 (Easteru Conutie�) ; 10 (South \Vale� and N� Devon) ; 1 1 (W. of Engla.11d and S.E. \V ales) ; 12 (Lon...formed portion of the '' Ordnance Geological Map of Devon, with parts of Cornwall and Somerset," issued by... Section east of Wood Farm, south of Stogumber Quarry at Woolston, seen from above .. False-bedded Sandstone...Hill Farm, west of Combwioh - • Old Stream grave] north-west of Shearston - 16 16 24 24 41 50 51 53 55 |  | | Journal (article/letter/editorial) | | Hatert Geological setting Mineralogy of idaite The Venn-Stavelot Massif, Belgian Ardennes, represents a...particularly abundant in a vein localised in the old quarry of Thier des Carrières, Cahay. This centimetre-sized...1999), contains quartz, with accessory chlorite, hematite, rutile, and copper sulphides. Under oxidising...Bruxelles, 304 p. Kramm, U. (1982): Die Metamorphose des Venn-Stavelot-Massivs, nordwestliches Rheinisches Schiefergebirge:...(1985): Variscan metamorphism in the NE Stavelot-Venn Massif, Ardennes: A new approach to the question |  | | Journal (article/letter/editorial) | | abandoned manganese mines of the Lienne Valley, Venn-Stavelot Massif, Belgium, a few samples were collected...color. In contrast, all the other chlorites in the Venn-Stavelot Massif, even those associated with Mn-rich...of the Venn-Stavelot Massif in the Ardennes Mountains of East Belgium. Geologically, the Venn-Stavelot...Schreyer 1975). Moreover, an unconformity between the Venn-Stavelot rocks and the overlying Lower Devonian...more information on the regional geology of the Venn-Stavelot Massif the reader is referred to the review |  | | Journal (article/letter/editorial) | | as orange-red needles associated with nsutite, hematite, apatite-(CaF), spessartine, manganoan clinochlore...material, which is decidedly rich in fine-grained hematite (Theye et al., 1996). In the Lienne Valley area...red schists, and are associated with nsutite, hematite, apatite-(CaF), spessartine, manganoan clinochlore...oxidized, thus allowing the presence of Mn3+ within hematite-rich schists. The role of Mg in the sursassite...Gilly, 304 p. Kramm, U. (1982): Die Metamorphose des Venn-Stavelot-Massivs, nordwestliches Rheinisches Schiefergebirge: |  | | Journal (article/letter/editorial) | | the systemZn-Fe- magnesian A1-Si-S-Oby Wall and England(1979) suggestthat moremagnesium rich becausetheir...1976) usingstandardstatefree energiesfor iron, hematite, andmagnetitefromRobieet al. (1978) andthe standardGibbsfree...from Froeseand Gunter (1976). Molar volumesfor hematite,magnetite,hercynite,iron, and corundum arefromRobieet...Fe, wollastonitefor Ca and Si, rutile for Ti, hematite for Fe, synthetic cassiteritefor Sn, syntheticpyrrhotitefor...are normalizedto 100 percent,the ticularlyon the north (footwall)sideof the orebody. spineisassociatedwith |  | | Journal (article/letter/editorial) | | contains 24–34 mol. % pyrophanite and 1.7–5.8 hematite. Some closely associated impure calcite marbles...co-ordinates is given in Tab. 1. 3.1. Pacova hora quarry near Chýnov The Moldanubian Zone is a heterogeneous...diopside (Figs 4–5). Relations of rock types in the quarry were characterized by Orlov (1931), geology of...broader area by Suk et al. (1977), mineralogy in the quarry and nearby caves by Litochleb et al. (1997, 2004)...documented in calcsilicate gneiss from the Pacova hora quarry near Chýnov. 4. Analytical methods Major-element |  | | Journal (article/letter/editorial) | | rhodochrosite precursor of spessartine in coticules of the Venn-Stavelot Massif, Belgium W. SCHREYER, H . - J ....KEVWORDS: rhodochrosite, spessartine, coticule, Venn-Stavelot Massif, Belgium. Introduction THE term...whetstone was originally applied, are those of the Venn-Stavelot Massif of Belgium (Renard, 1878; Lessuise...Sfilmchateau in the southwestern portion of the Venn-StavelotMassif (locality 8a of Fransolet et al.... It is surrounded by the redschist made up of hematite, quartz, chlorite and white mica. The peripheral |
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