Geology of Barium, Strontium, and Fluorine Deposits in Canada
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Significance of Mineralogy in the Development of Flowsheets for Processing Uranium Ores
JfipwK LEACHING TIME REAGENTS TEMPERATURE FLOCCULANT CLARITY AREA COUNTER CURRENT DECANTATION It 21 21 J^^LJt TECHNICAL REPORTS SERIES No.19 6 Significance of Mineralogy in the Development of Flowsheets for Processing Uranium Ores \W# INTERNATIONAL ATOMIC ENERGY AGENCY, VIENNA, 1980 SIGNIFICANCE OF MINERALOGY IN THE DEVELOPMENT OF FLOWSHEETS FOR PROCESSING URANIUM ORES The following States are Members of the International Atomic Energy Agency: AFGHANISTAN HOLY SEE PHILIPPINES ALBANIA HUNGARY POLAND ALGERIA ICELAND PORTUGAL ARGENTINA INDIA QATAR AUSTRALIA INDONESIA ROMANIA AUSTRIA IRAN SAUDI ARABIA BANGLADESH IRAQ SENEGAL BELGIUM IRELAND SIERRA LEONE BOLIVIA ISRAEL SINGAPORE BRAZIL ITALY SOUTH AFRICA BULGARIA IVORY COAST SPAIN BURMA JAMAICA SRI LANKA BYELORUSSIAN SOVIET JAPAN SUDAN SOCIALIST REPUBLIC JORDAN SWEDEN CANADA KENYA SWITZERLAND CHILE KOREA, REPUBLIC OF SYRIAN ARAB REPUBLIC COLOMBIA KUWAIT THAILAND COSTA RICA LEBANON TUNISIA CUBA LIBERIA TURKEY CYPRUS LIBYAN ARAB JAMAHIRIYA UGANDA CZECHOSLOVAKIA LIECHTENSTEIN UKRAINIAN SOVIET SOCIALIST DEMOCRATIC KAMPUCHEA LUXEMBOURG REPUBLIC DEMOCRATIC PEOPLE'S MADAGASCAR UNION OF SOVIET SOCIALIST REPUBLIC OF KOREA MALAYSIA REPUBLICS DENMARK MALI UNITED ARAB EMIRATES DOMINICAN REPUBLIC MAURITIUS UNITED KINGDOM OF GREAT ECUADOR MEXICO BRITAIN AND NORTHERN EGYPT MONACO IRELAND EL SALVADOR MONGOLIA UNITED REPUBLIC OF ETHIOPIA MOROCCO CAMEROON FINLAND NETHERLANDS UNITED REPUBLIC OF FRANCE NEW ZEALAND TANZANIA GABON NICARAGUA UNITED STATES OF AMERICA GERMAN DEMOCRATIC REPUBLIC NIGER URUGUAY GERMANY, FEDERAL REPUBLIC OF NIGERIA VENEZUELA GHANA NORWAY VIET NAM GREECE PAKISTAN YUGOSLAVIA GUATEMALA PANAMA ZAIRE HAITI PARAGUAY ZAMBIA PERU The Agency's Statute was approved on 23 October 1956 by the Conference on the Statute of the IAEA held at United Nations Headquarters, New York; it entered into force on 29 July 1957. -
Mineral Processing
Mineral Processing Foundations of theory and practice of minerallurgy 1st English edition JAN DRZYMALA, C. Eng., Ph.D., D.Sc. Member of the Polish Mineral Processing Society Wroclaw University of Technology 2007 Translation: J. Drzymala, A. Swatek Reviewer: A. Luszczkiewicz Published as supplied by the author ©Copyright by Jan Drzymala, Wroclaw 2007 Computer typesetting: Danuta Szyszka Cover design: Danuta Szyszka Cover photo: Sebastian Bożek Oficyna Wydawnicza Politechniki Wrocławskiej Wybrzeze Wyspianskiego 27 50-370 Wroclaw Any part of this publication can be used in any form by any means provided that the usage is acknowledged by the citation: Drzymala, J., Mineral Processing, Foundations of theory and practice of minerallurgy, Oficyna Wydawnicza PWr., 2007, www.ig.pwr.wroc.pl/minproc ISBN 978-83-7493-362-9 Contents Introduction ....................................................................................................................9 Part I Introduction to mineral processing .....................................................................13 1. From the Big Bang to mineral processing................................................................14 1.1. The formation of matter ...................................................................................14 1.2. Elementary particles.........................................................................................16 1.3. Molecules .........................................................................................................18 1.4. Solids................................................................................................................19 -
Lord Hill Quarry Town: Stoneham, Ox Ford County Base Map: Cen Ter Lovell 7.5’ Quadran Gle Con Tour in Ter Val: 20 Feet
Lord Hill Quarry Town: Stoneham, Ox ford County Base map: Cen ter Lovell 7.5’ quadran gle Con tour in ter val: 20 feet Type of de posit: Gran ite peg matite. strunzite, to paz, torbernite/metatorbernite, triphylite(?), triplite, uraninite, uranophane, vivian it e, zircon (var. cyrtolite). Col lect ing sta tus: Locat ed in the White Mountai n Nati onal Forest . No perm ission is needed to collec t miner als here. How- Com ments: Lord Hill is one of the fa vor ite col lect ing sites in ever, collec ting must be non com mercia l, done with hand tools, Maine, offer ing a va riety of miner als and White Mountai n scen - and not greatly disturb the mine area. ery. The best-known finds from this local ity in clude large crys- tals of white topaz, and smoky quartz crystal s encrust ed by many Min er als ob served: albit e, almandine (garnet) , autun- small phenakite crys tals. Most col lect ing ac tiv ity ap pears to ite/meta-autun ite, beraunite, bermanite, beryllonite, bertrandite, have oc curred in the larger of the two quarry pits, al though a ma- beryl, bi o tite, bis muth, bis muthi nite, bismutite, cas sit er ite, jor pocket contai n ing smoky quartz and fluorapatite crystal s was columbite, cryptomelane, damourite, elbaite (tour maline) , opened in the floor of the smaller pit in 1991. The pieces of topaz eosphorite, fluorapatite, fluo rite, gahnite, goethite com monly found here are disti n guished by their bluish-whi te (pseudomorphic after pyrit e), goyazite, heterosite, hureaulite, color (es pe cially when wet), sin gle cleav age di rec tion, and hydroxylapatite, hydroxyl-herderite, microcline, microlite, higher den sity than sim i lar-look ing peg ma tite min er als. -
The Secondary Phosphate Minerals from Conselheiro Pena Pegmatite District (Minas Gerais, Brazil): Substitutions of Triphylite and Montebrasite Scholz, R.; Chaves, M
The secondary phosphate minerals from Conselheiro Pena Pegmatite District (Minas Gerais, Brazil): substitutions of triphylite and montebrasite Scholz, R.; Chaves, M. L. S. C.; Belotti, F. M.; Filho, M. Cândido; Filho, L. Autor(es): A. D. Menezes; Silveira, C. Publicado por: Imprensa da Universidade de Coimbra URL persistente: URI:http://hdl.handle.net/10316.2/31441 DOI: DOI:http://dx.doi.org/10.14195/978-989-26-0534-0_27 Accessed : 2-Oct-2021 20:21:49 A navegação consulta e descarregamento dos títulos inseridos nas Bibliotecas Digitais UC Digitalis, UC Pombalina e UC Impactum, pressupõem a aceitação plena e sem reservas dos Termos e Condições de Uso destas Bibliotecas Digitais, disponíveis em https://digitalis.uc.pt/pt-pt/termos. Conforme exposto nos referidos Termos e Condições de Uso, o descarregamento de títulos de acesso restrito requer uma licença válida de autorização devendo o utilizador aceder ao(s) documento(s) a partir de um endereço de IP da instituição detentora da supramencionada licença. Ao utilizador é apenas permitido o descarregamento para uso pessoal, pelo que o emprego do(s) título(s) descarregado(s) para outro fim, designadamente comercial, carece de autorização do respetivo autor ou editor da obra. Na medida em que todas as obras da UC Digitalis se encontram protegidas pelo Código do Direito de Autor e Direitos Conexos e demais legislação aplicável, toda a cópia, parcial ou total, deste documento, nos casos em que é legalmente admitida, deverá conter ou fazer-se acompanhar por este aviso. pombalina.uc.pt digitalis.uc.pt 9 789892 605111 Série Documentos A presente obra reúne um conjunto de contribuições apresentadas no I Congresso Imprensa da Universidade de Coimbra Internacional de Geociências na CPLP, que decorreu de 14 a 16 de maio de 2012 no Coimbra University Press Auditório da Reitoria da Universidade de Coimbra. -
Crystal Morphology and Xrd Peculiarities of Brazilianite from Different Localities
NAT. CROAT. VOL. 20 No 1 1¿18 ZAGREB June 30, 2011 original scientific paper / izvorni znanstveni rad CRYSTAL MORPHOLOGY AND XRD PECULIARITIES OF BRAZILIANITE FROM DIFFERENT LOCALITIES ANDREA ^OBI]*1,VLADIMIR ZEBEC2,RICARDO SCHOLZ3, VLADIMIR BERMANEC1 &SANDRA DE BRITO BARRETO4 ¹Faculty of Science, Institute of Mineralogy and Petrography, Horvatovac 95, Zagreb, Croatia 2Croatian Natural History Museum, Demetrova 1, Zagreb, Croatia 3Department of Geology, School of Mining, Federal University Ouro Preto, Ouro Preto, MG, Brazil 4Department of Geology, Federal University of Pernambuco, Av. Academico Hélio Ramos. S/N. 5 andar., Cidade Universitária, Recife, PE, Brasil ^obi}, A., Zebec, V., Scholz, R., Bermanec, V. & de Brito Barreto, S.: Crystal morphology and xrd peculiarities of brazilianite from different localities. Nat. Croat., Vol. 20, No. 1., 1–18, 2011, Zagreb. Forty four brazilianite crystals from several localities in Brazil, Rwanda and Canada were measured on a two-circle goniometer to determine brazilianite morphology. Twenty forms were recorded; six of them have not been recorded before. All faces in the [001] zone are striated along crystallographic axis c. All striated forms in the [001] zone exhibit multiple signals. Two of the signals observed on the form {110} are always very clear. There is an exception on one crystal where just one face, (110), exhibits only one clear signal. Five groups of habits were recorded, two of them new to this mineral species. Eleven samples were examined by X-ray diffraction for calculation of the unit cell parameters yield- ing a=11.201(1)–11.255(2) Å, b=10.1415(5)–10.155(1) Å, c=7.0885(7)–7.119(2) Å and b=97.431(7)–97.34(1) °. -
Using 2D Gis to Assist 3D Modelling of the Zarshuran Gold Deposit, Iran
Asadi, Hooshang USING 2D GIS TO ASSIST 3D MODELLING OF THE ZARSHURAN GOLD DEPOSIT, IRAN * Hooshang ASADI HARONI, Edmund SIDES, Kiiza NGONZI International Institute for Aerospace Survey and Earth Sciences (ITC), The Netherlands * Ministry of Higher Education, Tehran, Iran harouni @itc.nl [email protected] Technical Commission Session Themes TC VII-8 KEY WORDS: Spatial data, Integration, Geology, Geophysics, GIS, Data mining, Information extraction ABSTRACT The Zarshuran gold deposit in NW Iran is an area of historic mining for gold and arsenic with considerable potential for discovery of economic gold mineralisation. Geological, geochemical and geophysical data, collected by the Ministry of Mines and Metals were compiled and analysed in a 2-dimensional (2D) GIS. This resulted in the definition of major structural features, and lithological units, that control the gold mineralisation. Spatial modelling and interpretation of the geochemical and geophysical data showed that the mineralization is mainly controlled by chemically-reactive Precambrian carbonates and black shales, extending in a NW-SE direction, and also by NE-SW high angle faults and their intersections with NW-SE structures. The results obtained, from the 2D GIS analysis, were used in the initial phase of the construction and validation of the 3-dimensional (3D) models used for resource estimation. Comparison of the statistical analyses of geochemical data in soils and in drillcore indicated enhanced concentrations of gold in soils at surface, due to residual enrichment. An enrichment relationship was established based on interpretation of the cumulative frequency plots for gold in soil and drillcore samples. Based on this relationship the gold anomalies interpreted from the soil geochemical data were used to infer a resource potential, to a depth of 200m below surface, of 10Mt at an average grade of 0.2 g/t gold. -
Mineral Collecting Sites in North Carolina by W
.'.' .., Mineral Collecting Sites in North Carolina By W. F. Wilson and B. J. McKenzie RUTILE GUMMITE IN GARNET RUBY CORUNDUM GOLD TORBERNITE GARNET IN MICA ANATASE RUTILE AJTUNITE AND TORBERNITE THULITE AND PYRITE MONAZITE EMERALD CUPRITE SMOKY QUARTZ ZIRCON TORBERNITE ~/ UBRAR'l USE ONLV ,~O NOT REMOVE. fROM LIBRARY N. C. GEOLOGICAL SUHVEY Information Circular 24 Mineral Collecting Sites in North Carolina By W. F. Wilson and B. J. McKenzie Raleigh 1978 Second Printing 1980. Additional copies of this publication may be obtained from: North CarOlina Department of Natural Resources and Community Development Geological Survey Section P. O. Box 27687 ~ Raleigh. N. C. 27611 1823 --~- GEOLOGICAL SURVEY SECTION The Geological Survey Section shall, by law"...make such exami nation, survey, and mapping of the geology, mineralogy, and topo graphy of the state, including their industrial and economic utilization as it may consider necessary." In carrying out its duties under this law, the section promotes the wise conservation and use of mineral resources by industry, commerce, agriculture, and other governmental agencies for the general welfare of the citizens of North Carolina. The Section conducts a number of basic and applied research projects in environmental resource planning, mineral resource explora tion, mineral statistics, and systematic geologic mapping. Services constitute a major portion ofthe Sections's activities and include identi fying rock and mineral samples submitted by the citizens of the state and providing consulting services and specially prepared reports to other agencies that require geological information. The Geological Survey Section publishes results of research in a series of Bulletins, Economic Papers, Information Circulars, Educa tional Series, Geologic Maps, and Special Publications. -
Program and Abstracts
The Atlantic Geoscience Society (AGS) La Société Géoscientifique de l’Atlantique 45th Colloquium and Annual Meeting Special Sessions: • Special Session: In Memory of Dr. Trevor MacHattie (1974 - 2018) • Paleontology and Sedimentology in Atlantic Canada: In Memory of Dr. Ron Pickerill (1947 – 2018) • Current Research in Carboniferous Geology in the Atlantic Provinces • Minerals, metals, melts, and fluids associated with granitoid rocks: new insights from fundamental studies into the genesis, melt fertility, and ore-forming processes • Earth Science Outreach in the Maritime Provinces • Geohazards: Recent and Historical General Sessions: Current Research in the Atlantic Provinces February 7-9, 2019 Fredericton Inn, Fredericton, New Brunswick PROGRAM WITH ABSTRACTS We gratefully acknowledge sponsorship from the following companies and organizations: Department of Energy and Resource Development Geological Surveys Branch Department of Energy and Mines Department of Energy and Mines Geological Surveys Division Petroleum Resources Division Welcome to the 45th Colloquium and Annual Meeting of the Atlantic Geoscience Society in Fredericton, New Brunswick. This is a familiar place for AGS, having been a host several times over the years. We hope you will find something to interest you and generate discussion with old friends and new. AGS members are clearly pushing the boundaries of geoscience in all its branches! Be sure to take in the science on the posters and the displays from sponsors, and don’t miss the after-banquet jam and open mike on Saturday night. For social media types, please consider sharing updates on Facebook and Twitter (details in the program). We hope you will be able to use the weekend to renew old acquaintances, make new ones, and further the aims of your Atlantic Geoscience Society. -
Refinement of the Crystal Structure of Ushkovite from Nevados De Palermo, República Argentina
929 The Canadian Mineralogist Vol. 40, pp. 929-937 (2002) REFINEMENT OF THE CRYSTAL STRUCTURE OF USHKOVITE FROM NEVADOS DE PALERMO, REPÚBLICA ARGENTINA MIGUEL A. GALLISKI§ AND FRANK C. HAWTHORNE¶ Department of Geological Sciences, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada ABSTRACT The crystal structure of ushkovite, triclinic, a 5.3468(4), b 10.592(1), c 7.2251(7) Å, ␣ 108.278(7),  111.739(7), ␥ 71.626(7)°, V 351.55(6) Å3, Z = 2, space group P¯1, has been refined to an R index of 2.3% for 1781 observed reflections measured with MoK␣ X-radiation. The crystal used to collect the X-ray-diffraction data was subsequently analyzed with an electron microprobe, 2+ 3+ to give the formula (Mg0.97 Mn 0.01) (H2O)4 [(Fe 1.99 Al0.03) (PO4) (OH) (H2O)2]2 (H2O)2, with the (OH) and (H2O) groups assigned from bond-valence analysis of the refined structure. Ushkovite is isostructural with laueite. Chains of corner-sharing 3+ 3+ {Fe O2 (OH)2 (H2O)2} octahedra extend along the c axis and are decorated by (PO4) tetrahedra to form [Fe 2 O4 (PO4)2 (OH)2 3+ (H2O)2] chains. These chains link via sharing between octahedron and tetrahedron corners to form slabs of composition [Fe 2 (PO4)2 (OH)2 (H2O)2] that are linked by {Mg O2 (H2O)4} octahedra. Keywords: ushkovite, crystal-structure refinement, electron-microprobe analysis. SOMMAIRE Nous avons affiné la structure cristaline de l’ushkovite, triclinique, a 5.3468(4), b 10.592(1), c 7.2251(7) Å, ␣ 108.278(7),  111.739(7), ␥ 71.626(7)°, V 351.55(6) Å3, Z = 2, groupe spatial P¯1, jusqu’à un résidu R de 2.3% en utilisant 1781 réflexions observées mesurées avec rayonnement MoK␣. -
UNITED STATES DEPARTMENT of the INTERIOR GEOLOGICAL SURVEY PRELIMINARY DEPOSIT-TYPE MAP of NORTHWESTERN MEXICO by Kenneth R
UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY PRELIMINARY DEPOSIT-TYPE MAP OF NORTHWESTERN MEXICO By Kenneth R. Leonard U.S. Geological Survey Open-File Report 89-158 This report is preliminary and has not been reviewed for conformity with Geological Survey editorial standards and stratigraphic nomenclature. Any use of trade, product, firm, or industry names in this publication is for descriptive purposes only and does not imply endorsement by the U.S. Government. Menlo Park, CA 1989 Table of Contents Page Introduction..................................................................................................... i Explanation of Data Fields.......................................................................... i-vi Table 1 Size Categories for Deposits....................................................................... vii References.................................................................................................... viii-xx Site Descriptions........................................................................................... 1-330 Appendix I List of Deposits Sorted by Deposit Type.............................................. A-1 to A-22 Appendix n Site Name Index...................................................................................... B-1 to B-10 Plate 1 Distribution of Mineral Deposits in Northwestern Mexico Insets: Figure 1. Los Gavilanes Tungsten District Figure 2. El Antimonio District Figure 3. Magdalena District Figure 4. Cananea District Preliminary Deposit-Type Map of -
The Importance of Minerals in Coal As the Hosts of Chemical Elements: a Review
The importance of minerals in coal as the hosts of chemical elements: A review Robert B. Finkelmana,b, Shifeng Daia,c,*, David Frenchd a State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, China b University of Texas at Dallas, Richardson, TX 75080, USA c College of Geoscience and Survey Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China d PANGEA Research Centre, School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, NSW 2052, Australia *, Corresponding author: [email protected]; [email protected] Abstract Coal is a complex geologic material composed mainly of organic matter and mineral matter, the latter including minerals, poorly crystalline mineraloids, and elements associated with non- mineral inorganics. Among mineral matter, minerals play the most significant role in affecting the utilization of coal, although, in low rank coals, the non-mineral elements may also be significant. Minerals in coal are often regarded as a nuisance being responsible for most of the problems arising during coal utilization, but the minerals are also seen as a potentially valuable source of critical metals and may also, in some cases, have a beneficial effect in coal gasification and liquefaction. With a few exceptions, minerals are the major hosts of the vast majority of elements present in coal. In this review paper, we list more than 200 minerals that have been identified in coal and its low temperature ash, although the validity of some of these minerals has not been confirmed. Base on chemical compositions, minerals found in coal can be classified into silicate, sulfide and selenide, phosphate, carbonate, sulfate, oxide and hydroxide, and others. -
Reflective Index Reference Chart
REFLECTIVE INDEX REFERENCE CHART FOR PRESIDIUM DUO TESTER (PDT) Reflective Index Refractive Reflective Index Refractive Reflective Index Refractive Gemstone on PDT/PRM Index Gemstone on PDT/PRM Index Gemstone on PDT/PRM Index Fluorite 16 - 18 1.434 - 1.434 Emerald 26 - 29 1.580 - 1.580 Corundum 34 - 43 1.762 - 1.770 Opal 17 - 19 1.450 - 1.450 Verdite 26 - 29 1.580 - 1.580 Idocrase 35 - 39 1.713 - 1.718 ? Glass 17 - 54 1.440 - 1.900 Brazilianite 27 - 32 1.602 - 1.621 Spinel 36 - 39 1.718 - 1.718 How does your Presidium tester Plastic 18 - 38 1.460 - 1.700 Rhodochrosite 27 - 48 1.597 - 1.817 TL Grossularite Garnet 36 - 40 1.720 - 1.720 Sodalite 19 - 21 1.483 - 1.483 Actinolite 28 - 33 1.614 - 1.642 Kyanite 36 - 41 1.716 - 1.731 work to get R.I. values? Lapis-lazuli 20 - 23 1.500 - 1.500 Nephrite 28 - 33 1.606 - 1.632 Rhodonite 37 - 41 1.730 - 1.740 Reflective indices developed by Presidium can Moldavite 20 - 23 1.500 - 1.500 Turquoise 28 - 34 1.610 - 1.650 TP Grossularite Garnet (Hessonite) 37 - 41 1.740 - 1.740 be matched in this table to the corresponding Obsidian 20 - 23 1.500 - 1.500 Topaz (Blue, White) 29 - 32 1.619 - 1.627 Chrysoberyl (Alexandrite) 38 - 42 1.746 - 1.755 common Refractive Index values to get the Calcite 20 - 35 1.486 - 1.658 Danburite 29 - 33 1.630 - 1.636 Pyrope Garnet 38 - 42 1.746 - 1.746 R.I value of the gemstone.