 | | Report (volume) | | : : The history of 1nining for copper-ore in Cornwall and J)evon goes back no doubt to a remote period...has been made to describe every mine ,vhich has yielded copper in Cornwall and Devon. In order to bring...information up to date Mr. Dewey has visite.d everv active mine and rnanv of those recentlv abandoned ā¢ ā¢ ā¢ or of...historic importance. Our thanks are due to t,he present mine managers for their courtesy and assistance. :Full...been made of the published accounts of mining in Cornwall and Devon, and reference to the principal sources |  | Scrivener, R.C., Grant, J.B., Hollick, L.M., Smith, C.W. (2006) Nature and origin of the Great Perran Iron Lode, Perranporth area, Cornwall. Geoscience in South-West England, 11 (3) Ussher Society. | Journal (article/letter/editorial) | | Perranporth area, Cornwall NATURE AND ORIGIN OF THE GREAT PERRAN IRON LODE, PERRANPORTH AREA, CORNWALL R.C. SCRIVENER...Iron Lode, Perranporth area, Cornwall. Geoscience in south-west England, 11, 255-256. The nature and...of the Great Perran Iron Lode at Perranporth, Cornwall is reviewed based on the recent survey work in...Perranporth, Cornwall, TR6 0EY, U.K. 3Longstone Lodge, Longstone, Carbis Bay, Cornwall, TR26 3LT, U.K...forms a linear feature extending from Gravel Hill Mine, at the northern end of Perran Bay, southeastwards |  | | Journal (article/letter/editorial) | | some interest to students of Cornish Mineralogy. I st.--l~Ew LocaLItIEs. Seheelite.--This occurs as a...a partial replacement of Wolfram at East Pool Mine, where it was first noticed by Mr. Cornelius Beringer...Pengelly Croft, Huel Mandlin, and Levant Mine, in Cornwall, ~ and at Huel Friendship, in Devon. Montmorillonite...recently been foucrd at Great Retallack Mine, in Perranzabuloe, Cornwall. I t is associated with decomposing...with pale * See Handbook, to the Mineralogy of Cornwall and Devon, part 2, p. 90 ; and Min. Mug., 1877 |  | | Report (issue) | | MEMOIRSĀ· Ā·OF Ā·-1}RE-Ā·GEOLOGICAI/ SURVEY.. -: ,. ENGLAND AND WALES. .. - -EXPLANATION Q_F SHEETS 361...SECTIONS, AND MEMOIRS OF THE GEOLOGIOA SURMEY. OF ENGLAND AND WALES, AND MU,SEUM E>F PRACTICAL GEOLOGYā¢ of...6d. A Compl1 ļæ½) ; 4 (I. of l\ta11); 5 {Lake ENGLAND .i Diļæ½ļæ½rct) Dewon;}; ' ....' .. -: Torquay NEW...p1lblished i n 1 822 bJ.. Di,. John Fo1Ā·bes, the map of St. Just Pa1Ā·ish issued in the same year by Joseph Ca1ļæ½Ā·n...Ca1ļæ½Ā·n e, a11d the geological map of Cornwall of 1 832 by D1'. H . S. Boase, are deserving of special |  | | Book | | Iron Mining in Cornwall by Tony Brooks Cornish Hillside Publications St Austell, Cornwall First published...20 l l by Cornish Hillside Publications St Austell, Cornwall Ā© Tony Brooks ISBN 978-1-900147-5 l-4 (Paperback)...Great Britain and Cornwall ....................13 Chap/er 2 Restormel Royal Iron Mine.................................................21 Cliapler 3 Cornwall Minerals 11ailway................................53 Cliapler 4 Perran Iron Lode & Gravel Hill Mine .....................................61 Chapter |  | | Report (issue) | | extensive, but deals mainly wit.h the mining area aro11nd St. Agnes, ,vhich has been carefully studied by Henwood...certain lodes, not traceable in the .tield, from old mine plans, and has written the Appendix giving detailed...of the n1inerals ā¢Ā· - 93 Fig. 2 and 3.-Blue Hills Mine. Cross Sections - 93 Fig. 4.-East Blue Hills. Cross...and 8.-Great St. George. Cross sections .. Ā·Ā·Ā· 98 ., ā¢Ā· 99 ļæ½ igs. 9 and I0.-Penhalls Mine. Cross sections...Ā· Cross section .. ... ā¢ 102 .. ā¢ - 102 Fig. 13.-St. Agnes Consols. Cross section.. Figs. 14 and 15.-Wheal |  | | Journal (issue) | | available from: Nature of the Northwest, 800 NE Oregon St. #5, Portland, OR 97232, info@naturenw.org or www...Northwest Information Center: Suite 177, 800 NE Oregon St. # 5, Portland, OR 97232-2162, phone (503) 8722750...changes to Oregon Geology, Suite 965, 800 NE Oregon St. # 28, Portland, OR 97232-2162. Main Office: Suite...Whitecap Knoll flora (Figures 1, 2; Bestland and Retallack, 1994) near the northern boundary of the Clarno...been reviewed by Bestland and others (1999) and Retallack and others (2000). The climatic shift near the |  | Cantrill, T. C., Sherlock, R. L., Dewey, Henry (1919) Iron Oress (contd.) Sundry Unbedded Ores of Durham, East Cumberland, North Wales, Derbyshire, The Isle of Man, Bristol District and Somerset, Devon and Cornwall. Special Reports on the Mineral Resources of Great Britain Vol. 9. Geological Survey of Great Britain | Report (volume) | | MAN, BRISTOL DIS'fRICl' AND S0MERSET, DEVON AND CORNWALL. J3y 'l', C. CANTRILL, B.Sc., R. L. SHERLOCK,...OFFICE. By JA.S. Ā·r&uscoTT AND SON, LTD., CANNON ST&EĀ£T, E.c. 4 . .A.nd to be purchased from , E . STA...that in which the hrematites of the North-West of England are dealt with (Special Reports on the Mineral...antrill and Dr. Sherlock, those of South Devon and Cornwall by Mr. H. Dewey. Eaoh officer supplies an account...ails of the Mines. WEST so~tERSET AND NORTH DEVON: Mine- head Di.strict, Brendon Hill, |  | Mongelli, Giovanni, Taghipour, Batoul, Sinisi, Rosa, Khadivar, Shirin (2019) Mineralization and element redistribution in the Chah-Gheib Ni-laterite ore zone, Bavanat, Zagros Belt, Iran. Ore Geology Reviews, 111. 102990 doi:10.1016/j.oregeorev.2019.102990 | Journal (article/letter/editorial) | | distinct horizons, including saprolite, lower limonite, upper limonite, and lateritic duricrust, 22 have been...are enriched only in some levels of the upper limonite horizon and in the lateritic duricrust, 31 likely...In the Bavanat region, the Chah-Gheib Ni-laterite mine represents the largest Ni reserve in 82 Iran....well-exposed profile at the Chah-Gheib laterite mine (Fig. 3), 145 macroscopically representative of... saprolite (SP samples), lower limonite (LL samples), upper limonite (UL 148 samples), and lateritic |  | | Book (volume) | | THE METALLIFEROUS MINING REGION OF SOUTH -WEST ENGLAND Volume 1 LONDON HER MAJESTY'S STATIONERY OFFICE... 1 1 1 1 1 1 1 .,pvii Description .)SG(England urv eol em M est -WSouth of Region Mining MINING...GREAT BRITAIN ENGLAND AND WALES The Metalliferous Mining Region of South - West England Volume I ŠŃ...London s.E.1 13a Castle Street, Edinburgh 2 109 St. Mary Street, Cardiff 39 King Street, Manchester...This account of the mining geology of south -west England summarizes the geological information gained during |  | | Book (volume) | | The Metalliferous MiningRegion of South-West England VOLUME I Assistant Director' s copy LIBRARY...GREAT BRITAIN ENGLAND AN D WALES The Metalliferous Mining Region of South-West England Volume I By H...PH EM I STER, M.A., D.Sc. LONDON H ER MAJESTY'S ST A TI ONER Y OFFICE 1956 The Institute of Geological...London WCI J 3a Castle Street, Edinburgh EH2 3AR 109 St Mary Street, Cardiff CFJ IJW Brazennose Street, Manchester...Second impression with amendme111s /969 PrinlCd in England for Her Majesty's Stationery Office by Unwin Brothers |  | | Book | | PO Box 315. Harpenden. Hertfordshire AL5 2ZD. England Telephone: +44 (0)1582 762413 Fax: +44 (0)870 055...the production of e0pper. the mining areas of Cornwall and Devon became important producers of b th tin... I made it a stipulation that e:ich en~ in rn:, Ā·st ,, ,u.d be fully referenced. After eight years the...Oxford University Museum of Natural History; Royal Cornwall Museum, Truro; Sedgwick Museum, University of...1\llaga::i11e, on minerals from localities in Cornwall. Devon. Cumbria and Yorkshire. He was renowned |  | | Journal (article/letter/editorial) | | lamination, and many are internally pigmented by limonite. The envelopes have sharp contact with the core...periphery of grains (solution, reprecipitation) Limonite staining of the periphery of grains Precipitation...calcrete-pellet and calcrete-ooid filled fissures are limonite-stained (Figure 5I). The alteration is most evident...with lithoclasts, calcrete-coated lithoclasts and limonite-pigmented grains indicates that they are the weathered...(Tetradium limestone). 1, the exterior of the clast is limonite-stained; 2, the interior of the clast is dark |  | | Book | | A HANDBOOK TO THE MINERALOGY CORNWALL AND DEVON TRUR : PRINTED BY HEARD AND SONS, BOSCAWEN...BOSCAWEN STREET. HANDBOOK MINERALOGY OF CORNWALL AND DEVON, WITH INSTRUCTIONS FOE THEIR DISCRIMINATION...THE MINERS' ASSOCIATION OF CORNWALL AND DEVON; SECRETARY TO THE KOYAL CORNWALL POLYTECHNIC SOCIETY; OF THE...KOYAL GEOLOGICAL SOCIETY OF CORNWALL, AND OF THE ROYAL INSTITUTION OF CORNWALL, &C., &C. ASSOCIATE TRURO:...F.R.S., THB ELECTRICITY OF MINERAL LODES IN CORNWALL, AND OF MANY CORNISH MINERALS, (WHOSE OBSERVATIONS |  | | Journal (article/letter/editorial) | | first discovered in the British Isles (14 from Cornwall; 2 from Somerset; 1 from Cheshire; 2 from Scotland;...H. G. M A C P H E R S O N from England (75 of which are from Cornwall); 28 from Ireland; and 10 from...Thus, of the 130 species, 64 are from England (48 from Cornwall); 35 from Scotland; 19 from Ireland; and...regional lists as, for example, for SW England, Pennines and northern England, Wales, Ireland, Scotland, etc...enquiries. The late R. W. Barstow, mineral dealer in Cornwall, was most helpful in some matters. REFERENCES |  | | Report (volume) | | VOI.1. XXI.-LEAD, SILVER-LEAD AND ZINC O1-tES OF CORNWALL, DEVON AND 8O1\fERSET. BY HENRY DEWEY. PUBLISHED...ACJm, LoNDON, W.C.2; W. & A. K. JOHNSTON, LTD., 2, ST. ANDREW SQUARE, EDINBURGH; HODGES, FIGGIS & Co.,...of lead, zinc and silver in the south-west of England. The early history of the industry is obscure and...with regard to the mines of vVest and Central Cornwall to l\fessrs. Scott, Marshall, Paull, .Taylor and...and Faull, and for those of North Cornwall to Messrs. Fitzmaurice, Oliver and Swete. ~Ir. J. G. IIamling |  | | Book | | Transactions of the Royal Geological Society of Cornwall, for 1848 ; and a table of some of the principal...Transactions of the Royal Geological Society of Cornwall. Reports of the Devonshire Association for the...LOCALITIES IN ENGLAND BEDFORDSHIRE BERKSHIRE BUCKINGHAMSHIRE . CAMBRIDGESHIRE CHESHIRE 31 CORNWALL . 32... 64 65 CONTENTS. X MINERAL LOCALITIES IN ENGLANDā (continued ). OXFORDSHIRE PAGB 65 . RUTLANDSHIRE...124 130 APPENDIX 137 INDEX TO LOCALITIES IN CORNWALL 149 INDEX TO MINERAL SYNONYMS 153 1 THE |  | | Report (issue) | | Moundsā to apply to the section. Pettyjohn (1966), Retallack (1983), and Terry and Evans (1994) resolved Tertiary...stratigraphy in relation to structural features. Retallack (1983) showed the possibility that sedimentary...paleosol imprinted, in part, on the older strata. Retallack (1983) concurred with observations previously...Eocene Chamberlain Pass Formation. In this light, Retallack (1983) was the first to postulate that the K-T...shale above and below. Figure 9. A dark-brown, limonite-enriched concretion layer highlights an unconformity |  | | Book (volume) | | The METALLIFEROUS MINING REGION OF SOUTH-WEST ENGLAND Volume I 1956 20 I 7 reprint 0 z z ~ w ...The metalliferous mining region of south-west England VOLUME I H G Dines, ARSM, AMICE Ā·with petrographical...This account of the minmg geology of south-west England summarizes the geological info1mation gained druing...the long history of mining in the counties of Cornwall. Devon m1dwest Somerset. Ā·n1e region covered is...of westen1 Con1wall 25-inch scale maps were used; mine sections have been reduced consistently to a scale |  | | Journal (article/letter/editorial) | | Oxford St, Halifax, NS B3H 4R2, Canada 3 Geological Survey of Western Australia, 100 Plain St, East Perth...Laeter 1998). A late Cambrian late Ordovician age (Retallack 2009) based on long-range (several thousand kilometres)...have been recognised in outcrop apart from by Retallack (2009). The Tumblagooda Sandstone contains about...(Figure 3a, b) and/or iron oxide as goethite/ limonite (Figure 3c, d) as well as subordinate clays replacing...non-ferruginous facies (Figures 2b, 3c, d). The goethite/limonite cement has been derived from hematite and ilmenite |  | Nian, Xiuqing, Liu, Xiuming, Guo, Hui, Liu, Zhi, LĆ¼, Bin, Han, Fengqing (2019) Zebra layers and palaeoenvironment of Late Miocene Stratum in the Linxia Basin, northwestern China. Journal of Earth System Science, 128 (1). doi:10.1007/s12040-018-1031-3 | Journal (article/letter/editorial) | | in diļ¬erent geological periods (Retallack 1997, 2008, 2009; Retallack et al. 1999); some palaeosols formed...million years ago (Retallack 2009), and some even formed in the Precambrian (Retallack 2008). However, it...compounds (Barron and Montealegre 1986; Postma 1993; Retallack 1997). Magnetite, maghemite and haematite are...ļ¬nally transform into iron hydroxides (goethite and limonite) in this environment (An and Wei 1980; Han et...5034. Retallack G J 1997 Colour guide to paleosols; John Wiley and Sons, Chichester, 75p. Retallack G J |  | Metcalf, S.J., Vaughan, R.F., Benton, M.J., Cole, J., Simms, M.J., Dartnall, D.L. (1992) A new Bathonian (Middle Jurassic) microvertebrate site, within the Chipping Norton Limestone Formation at Hornsleasow Quarry, Gloucestershire. Proceedings of the Geologists' Association, 103 (4) 321-342 doi:10.1016/s0016-7878(08)80129-0 | Journal (article/letter/editorial) | | Gallery, Brunswick Road, Gloucester. :f: Geolink (UK) Ltd, Silverburn Cresent, Bridge of Don, Aberdeen...the northern Cotswolds some 5 km northwest of Stow (UK National Grid Ref. SP131322; Fig. 1). It is owned...consolidant, obtainable from Conservation Resources (UK) Ltd) in acetone, undercut, covered with a separating...show a sepic plasmic microfabric ('bright clay', Retallack, 1990), suggesting that the clays have undergone...the clay containing numerous carbon specks and limonite-replaced plant roots (which extend down from the |  | Liu, Beibei, Tan, Chengpeng, Yu, Xinghe, Qu, Jianhua, Zhao, Xiaoming, Zhang, Lei (2019) Sedimentary characteristics and controls of a retreating, coarseāgrained fanādelta system in the Lower Triassic, Mahu Depression, northwestern China. Geological Journal, 54 (3) 1141-1159 doi:10.1002/gj.3215 | Journal (article/letter/editorial) | | bellāshaped, and zircon, leucoxene, ilmenite, limonite, magnetite, barite, and pyrite. We funnelāshaped...proportions of the heavy mineral assemblage of and limonite (10.04%), with minor zircon (3.95%) and magnetite...(Figure 8), which dote (39.4%), leucoxene (24.1%), limonite (7.78%), ilmenite (5.98%), indicates that these...same northeastern uplift. leucoxene (8.7%), and limonite (9.3%), and minor pyrite (5.4%). The In the Huangyangquan...(22.9%), epidote (14.3%), leucoxene (12.1%), and limonite and pyrite begins to emerge. The different proportions |  | Michaelsen, P., Henderson, R. A., Crosdale, P. J., Fanning, C. M. (2001) Age and significance of the Platypus Tuff Bed, a regional reference horizon in the Upper Permian Moranbah Coal Measures, north Bowen Basin. Australian Journal of Earth Sciences, 48 (2) 183-192 doi:10.1046/j.1440-0952.2001.00854.x | Journal (article/letter/editorial) | | orthoclase), and possibly Fe-oxides (goethite, limonite and hematite), calcite, dolomite and possibly...thickness, whereas to the south, near the German Creek mine, it is 1.17 m thick in drillcore GSQ Cairns County...based on drilling records from the Moranbah North mine area, indicate variation in thickness from 0.8 to...Roberts et al. 1996; Michaelsen et al. 1999; Retallack 1999). For the northern Bowen Basin the PermianāTriassic...with recent findings for the Sydney Basin by Retallack (1999). Considerable geochronological work has |  | | Journal (issue) | | Seismic and Volcanic Hazard Evaluation of the Mount St. Helens Area, Washington, Relative to the Trojan...of seismic activity and volcanic activity at Mount St. Helens for the nuclear power plant site at Rainier...early Oligocene) near Clarno, Oregon by Greg Retallack, Department of Geology, University of Oregon,...and reprecipitated to form a hard ninty cement (Retallack, 1977). As another example, well-drained soils...ferric iron in the form of gels or minerals such as limonite and goethite, which form a light-brown or yellow |
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