 | | Book | | Atlas of rock-forming mineral! in thin section W.S.MacKenzie and C.Guilford Digitized by the Internet...http://archive.org/details/atlasofrockformiOOmack Atlas of rock-forming minerals in thin section W.S.MacKenzie...Limited Longman House Burnt Mill, Harlow, Essex, UK Associated companies, branches and representatives...Cataloging in Publication Data MacKenzie, WS Atlas of rock-forming minerals in thin section. Includes index... 75 76 Nepheline Leucite 79 Nosean 80 Cancrinite 73 74 Cristobalite Nepheline 36 Titanaugite |  | | | | area (Ontario, Canada) for sodalite, and Wolf Rock, Cornwall, UK, Laacher See, the Eifel District (Germany)...TABLE 1. Label, species, locality and concise host rock petrographic description. Label Species Locality...suggested in the case for the closely-related cancrinite group minerals (Ballirano et al., 1996; Cámara...species belonging to the structurally related cancrinite group. Most haüyne samples show a very weak...similar feature was observed previously for the cancrinite-group minerals by Della Ventura et al. (2007) |  | | Journal (article/letter/editorial) | | RYBACK 42 Bell Road, Sittingbourne, Kent ME10 4EB, England AND PETER C . T A N D Y Department of Mineralogy...British Museum (Natural History), London SW7 5BD, England T n E supplementary lists of British Isles minerals...has improved recently. The classic minerals of Cornwall and Devon are splendidly described by Embrey and...known from the British Isles, and 580 or so from England. Of these latter, about 116 are listed here as...secondary mineral at Gravel Hill mine, Perranzabuloe, Cornwall (C. Sparrow, pers. comm., 1991; XRD by Monica |  | | 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 |  | | Book | | Introduction NEPHELINE-SYENITE is a coarsely crystalline rock akin to granite in appearance and from which the...nepheline-syenite contains too much iron for the rock to be utilised directly in its most important outlets...processing is carried out at the mine where the rock is crushed, dried and passed through magnetic separators...contributed which is over-burdened with a host of varietal rock-names. The geological interest that these rocks...U.S.A. and U.S.S.R., where reserves of suitable rock are ample for several decades at the present rate |  | | Journal (article/letter/editorial) | | Department of Geology, Manchester University, England Received May 6, 1967 Abstract. The results of a...shown that nosean and haiiyne transform to a cancrinite mineral; they thereby explain the almost exclusive...of nosean and haiiyne in volcanic rocks, while cancrinite (vishnevitc) is the sulphate-bearing framework...sodalite minerals used in the present study No. Rock type and locality Collection No. 1 Hafiyne-feldspar...Afganistan 17 Nosean-phonolite from Wolf Rock, Cornwall, England Manchester 434 18 Hafiyne-basalt |  | | Journal (article/letter/editorial) | | indicating different petrogenetic evolution for these two rock groups. The increased apparent K - A r ages of the...situ produced prior to ( = inherited Ar) or after rock formation ( = radiogenic Ar sensu strictu). Applying...only exceptions appear to be noseans from the Wolf Rock phonolite [8] which compared to coexisting sanidines...Sanidine Hauyne EEF/S b Sanidine Groundmass Whole-rock Nosean EEF/1 Sanidine Leucite Nosean n Nosean m...25 0.25 0.24 0.16 4°At* based on 400 ka age of rock formation for E E F / S , E E F / 1 - E E F / 4 |  | | Book (volume) | | org/details/rockformingminerOOOOdeer \ ROCK-FORMING MINERALS ROCK-FORMING MINERALS Vol. 4 Framework Silicates...principle in this selection is implied in the title Rock-Forming Minerals, as, with a few exceptions, only...absence, serve to determine or modify the name of a rock. Some may quarrel with the inclusion or omission...partially solved problems are also mentioned. The rock-forming minerals are dealt with in five volumes...confused. The Paragenesis section gives the principal rock types in which the mineral occurs and some typical |  | | Book | | book are available in the Harker Collec¬ tion of Rock Slices in the Department of Mineralogy and Petrology...termed. When a magma cools it solidifies to give a rock that may consist of an aggregate of minerals, or...including glass when present, defines the texture of the rock. The nature of the texture developed depends mainly...the whole to solidify as a glass. The resulting rock is said to be holohyaline. Siliceous magmas are...ash-flow tuffs (see p. 214). (3) Hawkes, L., 1930. On rock glass, and the solid and liquid states. Geol. Mag |  | | Book (edition) | | ontmatter.pdf by guest An Introduction to the Rock-Forming Minerals Third Edition W. A. DEER{, FRS...Publication Data Deer, W. A. An introduction to the rock-forming minerals. – 3rd ed. I. Title II. Howie,...W. A. (William Alexander) An introduction to the rock-forming minerals/W. A. Deer, R. A. Howie, J. Zussman...Kirby, Wirral, UK Printed by Berforts Information Press, Stevenage, Hertfordshire, UK Downloaded from...Nepheline and Kalsilite, Leucite, Sodalite Group, Cancrinite–Vishnevite, Scapolite Zeolite group Analcime |  | | Book (edition) | | THEORIES OF PETRO GENESIS , A DESCRIPTION OF THE ROCK-FORMING MINERALS , AND A SYNOPSIS OF THE CHIEF...separation of the part treating of the classification of rock types from that dealing with their dis tribution...ROCKS Chapter Page 67 I. CLASSIFICATION OF THE ROCK-FORMING MINERALS 73 73 II. APPEARANCE UNDER THE...Double Refraction 79 III . DESCRIPTION OF THE ROCK - FORMING MINERALS 81 The Silica Group The Felspar...Determination of Rock -form ing Minerals, translated from the German by F. H. Hatch . J. P. Iddings. Rock Minerals |  | | Book (edition) | | the systematic analysis of individual rocks and rock suites. Some experimental results are of such f...important rock-group includes, or is followed by, an account of the distribution of the rock-types conce-rhed...been devoted to nomenclature and definitions of rock-types with the object of eliminating as many unnecessary...done, and the senior author has devised a number of rock-type names based on a new principle which, if approved...important rock-forming minerals with special reference to petrological aspects-their role in rock formation |  | | Book (edition) | | BOOK OF PETROLOGY CONTAINING A DESCRIPTION OF THE ROCK-FORMING MINERALS AND A SYNOPSIS OF THE CHIEF TYPES...materials of which the earth's crust is built up. A rock may be defined as a mineral aggregate, possessing...mode of aggregation of the constituent minerals, or rock-structure. In classifying rocks, we must allow...of the minerals since the first formation of the rock.1 The three rocks made use of in our example, may...whether the interior of the earth is occupied by rock in the molten condition, or by solid material at |  | | Journal (article/letter/editorial) | | Peninsula, and its tectonic significance N. M. S. ROCK L1THOS Rock, N. M. S. 1982 04 15: The Late Cretaceous...specifically that of the Bay of Biscay. N. M. S. Rock, Institute oi' Geological Sciences, West Mains Road...while Table 3 gives average rock compositions. Certain other alkaline rock occurrences in the Peninsula...including a wide variety of minor "~eldspath- N.M.S. Rock 112 , -ib: Sines __+ LITHOS 15(1982) , ,...locality map see Fig. 6. LITHOS15(1982) oidal rock-types and associated with a further range of dykes |  | | Book (edition) | | the Igneous Rocks origins of some of the other rock-groups, notably andesites and trachytes, have been...discussions of the distribution and origin of the various rock-groups constitute some of the most radical changes...position in determining the mineral-content of a rock, are discussed fully in an enlarged and virtually...REFERENCE 11 INTRODUCTION 13 Part I: The Igneous Rock-Forming Minerals I THE MAFIC MINERALS 19 II ...Distribution and Origins of Igneous Rocks I PRINCIPLES OF ROCK-CLASSIFICATION AND 185 NOMENCLATURE II ROCKS |  | | Book | | the Black Cat imprint Little, Brown and Company (UK) Limited Brettenham House Lancaster Place London...characteristic rosettes of wavellite from Barnstaple, England, showing a fibrous radiating structure. Opposite:...in limestone at Turnisk, USSR; as crystals in Cornwall; at Wallaroo, South Australia and Broken Hill...distri¬ buted in igneous, sedimentary and metamorphic rock, and in sea water. Auriferous quartz is a major...it may sometimes occur as large fluid masses in rock cavities, usually in regions of volcanic activity | | | Book (edition) | | THE IGNEOUS ROCKS origins of some of the other rock-groups, notably andesites and trachytes, have been...discussions of the distribution and origin of the various rock-groups constitute some of the most radical changes...composition in determining the mineral-content of a rock, are discussed fully in an enlarged and virtually...REFERENCE 11 INTRODUCTION 13 Part I : The Igneous Rock-Forming Minerals l THE MAF I C MINERALS 19 II...and Origins of Igneous Rocks I PR I NCIPLES OF ROCK-CLASS I FICATION AND NOM EN CLA T URE 185 ROCKS |  | | Book | | topologies Cancrinite-sodalite group Observed stacking sequences Sodalite-type structures Cancrinite-type structures...rarer feldspathoids Sodalite Nosean and hatiyne Cancrinite 3. Feldspathoids in mafic-ultramafic rocks Nepheline...many meteorites. They playa fundamental role in all rock-forming processes at shallow depths, but are rare...immense literature on the stability of plagioclase in rock compositions, and the following are useful examples:...1979, Electron Microscopy and Analysis, Brighton, England, Inst. Phys. Conf. Ser.52, pp. 117-120. Chao, S |  | | Report (issue) | | GEOLOGl(�AI. SCIENCES FIEI.D IN11ESTIGATIONS SOUTHER� ENGLAND AND \VALES untral and South Midlands lJnit Lorilling...Lorilling Rig F.asr Anglia and Sourh-East England UniL South-Western lJnit Southern Wales and Welsh...Borehole notifications and samples, England and Wales NORTHERN ENGLAND AND \VALES DIVISION North-Eastern...Institute of Geological Sciences.) 202 pp. Printed in England for the Institute of Geological Sciences by A....the Geological Survey of Great Britain Southern England and Wales Central and South Midlands District. |  | | Book (edition) | | SUMMARY OF THE MODERN THEORIES OF PETRO- THE ROCK-FORMING MINERALS, AND A SYNOPSIS OF THE CHIEF TYPES...treating and the separation the classification rock types from that dealing with their tribution as...ROCKS Chapter I. II. Page CLASSIFICATION OF THE ROCK-FORMING MINERALS 67 APPEARANCE UNDER THE MICROSCOPE...- 75 . 79 " - . , . DESCRIPTION OF THE ROCK-FORMING MINERALS The Silica Group The Felspar Group...coloured of Igneous Rocks, 1909. J. P. Iddings. Rock Minerals, their chemical characters and their |  | | Book (edition) | | included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada,...administrative divisions inside those countries, e.g in Spain, UK, Russia, some African countries, etc. Several repeated...vitreous to Hot Springco., Arkansas, in the Point of Rock quarry, pearly. Clea,·age {001} perfect. {100} and...South Terras mine, St.Stephen-in-Brannel, Cornwall, England. MA42, 1, 23, 1991. Aeschynite-(Ce) (Ce,Ca...SO4 ,CO3) 21(Cl .OH)zl(AlSiO4)6]•nH 2O (9.F, cancrinite group). Trigonal. P3lc, a,c = 12.77, 21.35, Z |  | | Book (edition) | | about those points. For example in Fig. 33 halite or rock salt (NaCl) and pyrite (FeS,) both have unit cells...black psilomelane infiltrated along cracks in host rock, Drusy—close-packed small crystals growing inwards...DENSITY FOR STUDENTS In all cases The density of a rock (i.e. an aggregate of minerals) may mean one of...three things: LE) tee, (1) The density of the dry rock with its pore spaces filled with air. This is the...weight in water is less than (ii) The density of the rock with its pores filled with water, as it would be |  | 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...Mineralogy, Natural History Museum, London, England. Rock H. Currier: Jewel Tunnel Imports, Baldwin Park...lunar rocks so far examined are very similar to some rock types known on earth. The crust of the earth consists...glaciers and ice caps may be considered a monomineralic rock. Nearly 99% of the composition of these rocks consists |  | | Book (edition) | | interrelationships. The microscopic identification of rock-forming minerals forms an important part of most...most geology courses, as part of the basis for all rock classification. To assist the student working with...showing the optical orientations of the commoner rock-forming minerals. It is hoped that these diagrams...of anisotropic rock-forming minerals 309 Appendix V Optic orientation diagrams of rock-forming minerals...about those points. For example in Fig. 33 halite or rock salt (NaCl) and pyrite (FeS,) both have unit cells |  | | Book (edition) | | AN THE INTRODUCTION ROCK-FORMING TO MINERALS By the same authors Rock-Forming Minerals, Volume...(Ortho- and Ring Silicates) Rock-Forming Minerals, Volume 2 (Chain Silicates) Rock-Forming Minerals, Volume...Volume 3 (Sheet Silicates) Rock-Forming Minerals, Volume 4 (Framework Silicates) Rock-Forming Minerals, Volume...Volume 5 (Non-Silicates) AN TO INTRODUCTION THE ROCK-FORMING MINERALS W. A. DEERF.R:S. Professor of...nosean, tes Helvite, danalite, genthelvite . CANCRINITE-VISHNEVITE, SCAPOLITE . ANALCITE, ZEOLITE GROUP |
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