 | | Journal (issue) | | Ovington, UK NJ Elton, St Austell, U.K. N.J. Fortey, Keyworth, U.K. RA. Howie, Matlock, UK RJ. King...Graphic Media, (A division of St. Ives Group), Leeds, England. Published by The Russell Society. Registered...mineralization at Silver Gill, Caldbeck Fells, Cumbria David I. Green, Trevor F Bridges, M ichael P. Cooper...fuloppite from Wet Swine Gill, Caldbeck Fells, Cumbria David I. Green, Tim Neall and A ndy G. Tindle ...supergene mineralogy of Hilton mine, Scordale, Cumbria Trevor F Bridges and David I. Green Kegelite, a |  | | Book | | PO Box 315. Harpenden. Hertfordshire AL5 2ZD. England Telephone: +44 (0)1582 762413 Fax: +44 (0)870 055.............................. 529 G: gadolinite group to gyrolite ......................... 226 X: xanthiosite...further 154 species are unconfirmed. If all the group, series, variety and discredited species names are...Westmorland in the mid- I 970s to form the new county of Cumbria). The confusion appears to have occurred during...on minerals from localities in Cornwall. Devon. Cumbria and Yorkshire. He was renowned for his compendious |  | | Journal (article/letter/editorial) | | Oiigoclase gabbro (Kauaiite), Kauai Basalt w. feldspar phenocrysbs, Kohala Mt. Picritic basalt, ankaramite...analcime) Mauchline, : shire ; Gabbro, Carrock Fell, England Quartz dolorite, East Lothian, Scotland...Orthoamphibolite, group 3, main zone of basic rocks, I Omkyk anticline Norite, group 1, main zone of basic...basic ant,icline Stagabbro, group 2, central dome System 5 19 45 46 ca _ ~_._ System basalts of...Vancouver, / / B.C. Basaltic rock, massive, Vancouver group, B.C. Andesite flow (Pleistocene), Prineville-Pauline |  | | Book | | Toronto, Ontario, Canada. Illustrations: Crowle Art Group Note: For illustrative purposes, some images in...composed of just a few minerals; quartz and the feldspar group are the most abundant species. These are the...crystals found in many volcanic rocks — such as feldspar and leucite — crystallized in a magma chamber...aragonite crystals in fossil ammonites, and the feldspar gem varieties labradorite and peristerite have...resembling a pencil. Hematite, Frizington, Cumbria, England + 6 x 9x § cm Quartz (smoky variety), St | | | Book | | Miguel Hortiguela, LPPO Illustrations: Crowle Art Group Printed in China The publisher gratefully acknowledges...composed ofjust a few minerals; quartz and the feldspar group are the most abundant processes — called biominerals...crystals found in many volcanic rocks — such as feldspar and leucite — crystallized in a magma chamber...aragonite crystals in fossil ammonites, and the feldspar gem varieties labradorite and peristerite have... resemble kidneys. Hematite, Frizington, Cumbria, England « 6 x 9 x 5 cm Ye 4m Quartz (smoky variety) |  | | 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...black rock, containing no quartz but rich in the feldspar minerals pyroxene and olivine. Old basalts with...rocks contain large crystals, often of the feldspar group and are known as porphyries. The individual...traprock is diabase in which lath-like crystals of feldspar grow first and darker minerals grow round them |  | | Book (edition) | | petrographic description of each important rock-group includes, or is followed by, an account of the distribution...of things we can do little about it; but for one group of rocks that are much to the fore at the present...FELSIC MINERALS Feldspars; Feldspathoids; Silica Group Ill ACCESSORY AND SECONDARY MINERALS 97 The Normal...Contamination; Zeolites; Epidote Group; Chlorite, Serpentine Group; the Carbonates; Talc Part II: Modes...CARBONATITES 369 The Nepheline-Syenites and Related Feldspar-Free Types; Carbonatites, Their Petrography and |  | | Book (edition) | | affect the character of the rock. Thus, quartz, feldspar and mica are essential constituents of most granites...closely packed round a silicon atom, giving an SiO4 -group. The oxygens lie at the corners of a tetrahedron...snugly into M,K.W. FIG. I Tetrahedron and Si04-group. The small silicon ato1n is hidden between the four...surrounded. Thus an AP+ in the centre of an octahedral group of O's, has a positive charge of three umts to share...scientifically, felsic and mafic respectively. The mafic group comprises the ferro-magnesian silicates: the olivines | | | Book (edition) | | affect the character of the rock. Thus, quartz, feldspar and mica are essential constituents of most granites...closely packed round a silicon atom, giving an Si04-group. The oxygens lie at the corners of a tetrahedron...fits snugly into fig. 1 Tetrahedron and SiCU-group. The small silicon atom is hidden between the four...surrounded. Thus an Al3+ in the centre of an octahedral group of O’s, has a positive charge of three units to...scientifically, felsic and mafic respectively. The mafic group comprises the ferro-magnesian silicates: the olivines |  | | Book | | about Richard Owen and paleontology in Victorian England; and James Hutton and the History of Geology (Dean...political turmoil plagued the Roman Empire until it fell to barbarian invaders. Contact between the Latin...believed to be composed mainly of the minerals feldspar, augite, and hornblende, had long been known to...eager to see it for himself. Upon his arrival in England, he met with Banks and also made the acquaintance...naturalists, Faujas de St. Fond set off for northern England, various parts of Scotland, and the Isle of Staffa |  | | Book | | APOPHYLLITE Nomenclature revisions in the apophyllitc group: hydroxyapophyllite, apophyllite, fluorapophyllite...Uvite, a new (old) common member of the tounnalinc group and its implications for collections 8: I00-108...description [from Hunter Valley, Australia] (by B. M. England) 7:60-68 Crocoite [from Tasmania., Australia] and...Dominick mine, Arkaroola, South Australia (by B. M. England) 11:73-76 Brown's deposit [Rum Jungle], Northern...lake clays of Lake Gilles [Australia] (by B. H. England) 13:187-191 . A new stolzite occurrence: Broken |  | | Book (volume) | | Press pic, Headington Hill Hall, Oxford O X 3 OBW, England Pergamon Press Inc., 395 Saw Mill River Road, ...discussions about six of the major lead-zinc deposits of England with the four Mississippi-Valley type deposits...stalleites), PyhHsalmi, and Vihanti] is a separate group. These deposits show enough differences in geologic...are located in the following countries: Ireland England Scotland 3 7 1 Wales Norway Sweden 1 7 17 Finland...to 15 January meeting in London of the Contact Group "Geology of Ore Deposits held at the Institute of |  | | Book (edition) | | The The The The The The The The The The 15 feldspar family pyroxene family amphibole family mica...nepheline family Lcucite and analcime The silica group Other minerals Relative abundance of minerals .A^verag^e...e transformation base exchange Replacement of feldspar by analcime or scapolite Albitization ; References...basis The colour index The composition of the feldspar ... Further subdivision The 225 225 226 228...Assimilation of iron-formation, Canada Cross-section of Carrock Fell, Cumberland 3. 4. 5. 6. 7. 8. 9. batholith |  | | Book | | minerals Olivine group Pyroxene group Amphibole group Mica group Feldspar group Feldspathoid group Forms of silica...sediment (e.g. sandstone, shale); some rocks in this group have been formed by chemical deposition (e.g. some...that given above is held by a relatively small group of geologists, who accept that the Earth is also...mineral in a rock from the ancient Precambrian group. For much smaller ages, the radioactive isotope...Geophysics. Open University Press, Milton Keynes, England. Wyllie, P.J. (1971). The Dynamic Earth: Textbook |  | | Book (edition) | | to the chemical formula, allegiance to a mineral group, symmetry and crystal structure as well as the strongest...chemical formula, structure (crystal system, space group, and unit cell dimensions), and at least some other...site occupancy. The Sb members of the tennantite group (2.G) will serve as a good example: tetrahedrite...registered in this book (e.g. in the amphibole group). For more detailed information see "Dana's System...included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada, |  | | Book | | was probably formed on the sea floor. Rock Bis a group of repeated alternations of muddy limestone and...of surface dust and fine sand. There is thus a group of processes acting at the earth's surface, where...accumulating rotted plant matter, and an increasing group of organisms, to form 2I \ Water /. ,,_,/\~...resistant to physical weathering: eventually rounded. Feldspar Most igneous and metamorphic rocks, some sandstones... Weathering products Potassium feldspar ~ Solutes Sodic feldspar Granite Quartz - Clay minerals |  | | Book (edition) | | swell and emit bubbles (zeolite group, epidote group, scapolite group), some shed flakes (vermiculite...mineral is part of an isostructural mineral group, the group is listed in parentheses after the mineral...class: Almandine, Silicates (nesosilicates, garnet group). A specific problem is posed by the silicates,...occurs solely at the apices of the tetrahedral 4 group [SiCU] ", and the differentiation of the groups...with two tetrahedra joined by a 6 vertex forming a group [SJ207] "; these groups are coordinated with cations |  | | Book | | gypsum; 3, calcite; 4, fluorspar; 5, apatite; 6, feldspar; 7, quartz; 8, topaz; 9, corundum; 10, diamond...occur alone but are closely associated with a whole group of allied types. The various copper minerals, for...with difficulty, green flame in granites with feldspar and biotite; in schists, gemstone (some varieties)...Localities : re ee ae Name Formula Permian of N.E. England, all potassium Polyhalite —_—_—————— Stassfurt...world; present in some of the Jurassic iron ores of England; siderite (Brown Haematite) Crystal Form iron | | | Book | | gypsum; 3, calcite; 4, fluorspar; 5, apatite; 6, feldspar; 7, quartz; 8, topaz; 9, corundum; 10, diamond...occur alone but are closely associated with a whole group of allied types. The various copper minerals, for...A lexandrite 2 (twin) Chrysolitc 3 Kunzite I Feldspar 2 Fig. 2. The Crystal Systems (after G. 0. Wild...:alifomia, {evada U.S.A.), 'ransvaal in granites with feldspar and biotite; in schists, gneisses and n1etamorphic...Localities 37 Associated Minerals Permian of all N.E. England, potassium Stassfurt salts (Germany), Alps, Texas |  | | Book | | massive calcite. or, rarely, still attached to the feldspar/mica walls of the dike (www.davidkjoyceminerals...specimens in which euhedral crystals of andesine feldspar, augite and ilmenite rest on matrix of fine-grained...columnar crystals of hedenbergite. Around 1960. a group of collectors visited the mine. then temporarily... Orlandi and Vezzoni, 2013 ). A beautiful 8-cm group of ilvaite crystals spotted with tiny crystal!>...Alto Piano region of northernmost Argentina, a group of mines exploits playa lake deposits of borate |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Typesetting Services Ltd, Wallington, Surrey, England. Contents Preface Historical Perspective Acknowledgments...of Earth Sciences, Cambridge Univ., Cambridge, England. Sharon Cisneros: Minerological Research Co., San...of Mineralogy, Natural History Museum, London, England. Rock H. Currier: Jewel Tunnel Imports, Baldwin...Species containing more than one anion or anion group may be assigned to a separate class or may be assigned...specifies the atomic (cation to anion, or to anion group) ratio for the mineral. This and the remaining numbers |  | | Report (issue) | | __ Columbium-tantalum minerals _____ __ Epidote group _____ ________________ _ Garnet ___________________________...______ _______ _______________ _____ 40. Radiating group of black tourmaline crystals in a mica book from..._ _ _ _ _ _ _ _ _ __ _ 14. Production of crude feldspar from North Carolina, Virginia, and the entire...Plagioclase is more readily weathered than potash feldspar in the granites and pegmatites. Quartz and muscovite...hornblende to biotite, and impregnation with quartz, feldspar, mica, or tourmaline. The units in pegmatite bodies |  | | Book (edition) | | Chapman & Hall. 2-6 Boundary Row. London SEI SHN. UK Blackil' Academic & Professional. Wesler Clcdt.lt:ns...lt:ns Road. 13ishopbriggs. Glasgow GIH 2NZ, UK Chapman & Hall Inc.. 29 Wesl 351h S1ree1. New York NY llXl0I...s1udy. or criticism or review. as permilted under 1he UK Copyright Designs and Patents Act. 1988. 1his publica1ion...issued by 1he Copyrigh1 Licc.:nsing Agency in lhe UK. or in accordance with 1hc.: terms of licences issued...appropria1e Reproduction Righ1s Organizarion oubidc lhe UK. Enquiries concerning rcproduc1ion ou1side the lcrms |  | | Book (edition) | | STUDENTS Longman London and New York LONGMAN GROUP LIMITED London Associated companies, branches...Boyd 1972 Reprinted (with corrections) by Longman Group Ltd. 1975 Reprinted 1976, 1978 ISBN 0 582 44159...with a directional character which enables the p group to be subdivided into p,, Py> and p,; whilst d-orbitals...orbitals of different orientation, the three in group p being equivalent, the five d arrangements equal...co-ordination of carbon atoms. One tetrahedral group is outlined. not consist of three p-bonds, with |  | | Book (edition) | | me (as Longman London and New York Longman Group Limited, Longman House, Burnt Mill, Harlow, Essex...Boyd 1972 Reprinted (with corrections) by Longman Group Ltd. 1975,.1979 Second edition 1981 British Library...with a directional character which enables the p group to be subdivided into p,, Py> and p,; whilst d-orbitals...orbitals of different orientation, the three in group p being equivalent, the five d arrangements equal...co-ordination of carbon atoms. One tetrahedral group is outlined. not consist of three p-bonds, with |
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