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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. -
The Behavior of Molybdenum., Tungsten, and Titanium
The behavior of molybdenum, tungsten, and titanium in the porphyry copper environment Item Type text; Dissertation-Reproduction (electronic) Authors Kuck, Peter Hinckley Publisher The University of Arizona. Rights Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author. Download date 08/10/2021 00:24:06 Link to Item http://hdl.handle.net/10150/565421 THE BEHAVIOR OF MOLYBDENUM., TUNGSTEN, AND TITANIUM IN THE PORPHYRY COPPER ENVIRONMENT Peter' 'Hinckley Kuck A Dissertation Submitted to the Faculty of the DEPARTMENT OF GEOSCIENCES. In Partial.Fulfillment of the Requirements. ' ■ For the Degree of DOCTOR OF PHILOSOPHY In the Graduate College ■ THE UNIVERSITY OF ARIZONA 1 9 7 8 THE UNIVERSITY OF ARIZONA GRADUATE COLLEGE I hereby recommend that this dissertation prepared under my Peter Hinckley Kuck direction by ___________ , , The Behavior of Molybdenum, Tungsten, and Titanium entitled ________________________________________________________ in the Porphyry Copper Environment be accepted as fulfilling the dissertation requirement for the Doctor of Philosophy degree of _______________________________________________________ Dissertation Director Date As members of the Final Examination Committee, we certify that we have read this dissertation and agree that it may be presented for final defense. \ R A j r i A hi / 7IT 2 / 1 r 7 - Final approval and acceptance of this dissertation is contingent on the candidate's adequate performance and defense thereof at the final oral examination. STATEMENT BY AUTHOR This dissertation has been submitted in partial fulfillment of requirements for an advanced degree at The University of Arizona and is deposited in the University Library to be made available to borrowers under rules of. -
Metamorphism of Sedimentary Manganese Deposits
Acta Mineralogica-Petrographica, Szeged, XX/2, 325—336, 1972. METAMORPHISM OF SEDIMENTARY MANGANESE DEPOSITS SUPRIYA ROY ABSTRACT: Metamorphosed sedimentary deposits of manganese occur extensively in India, Brazil, U. S. A., Australia, New Zealand, U. S. S. R., West and South West Africa, Madagascar and Japan. Different mineral-assemblages have been recorded from these deposits which may be classi- fied into oxide, carbonate, silicate and silicate-carbonate formations. The oxide formations are represented by lower oxides (braunite, bixbyite, hollandite, hausmannite, jacobsite, vredenburgite •etc.), the carbonate formations by rhodochrosite, kutnahorite, manganoan calcite etc., the silicate formations by spessartite, rhodonite, manganiferous amphiboles and pyroxenes, manganophyllite, piedmontite etc. and the silicate-carbonate formations by rhodochrosite, rhodonite, tephroite, spessartite etc. Pétrographie and phase-equilibia data indicate that the original bulk composition in the sediments, the reactions during metamorphism (contact and regional and the variations and effect of 02, C02, etc. with rise of temperature, control the mineralogy of the metamorphosed manga- nese formations. The general trend of formation and transformation of mineral phases in oxide, carbonate, silicate and silicate-carbonate formations during regional and contact metamorphism has, thus, been established. Sedimentary manganese formations, later modified by regional or contact metamorphism, have been reported from different parts of the world. The most important among such deposits occur in India, Brazil, U.S.A., U.S.S.R., Ghana, South and South West Africa, Madagascar, Australia, New Zealand, Great Britain, Japan etc. An attempt will be made to summarize the pertinent data on these metamorphosed sedimentary formations so as to establish the role of original bulk composition of the sediments, transformation and reaction of phases at ele- vated temperature and varying oxygen and carbon dioxide fugacities in determin- ing the mineral assemblages in these deposits. -
Mineralization at Le Pulec, Jersey, Channel Islands; No. 1 Lode
134 SHORT COMMUNICATIONS REFERENCES McKay, W. J. (1975) Woodlawn copper-lead-zinc orebody. Ibid. 701-10. Davis, L. W. (1975) Captains Flat lead-zinc orebody. In Knight, C. L. (ed.). Economic Geology of Australia and Papua New Guinea I. Metals. Melbourne, Australasian [Revised manuscript received 2 June 1981] Institute of Mining and Metallurgy, 691-700. Malone, E. J., Olgers, F., Cucchi, F. G., Nicholas, T., and t~) Copyright the Mineralogical Society Dept. of Geology, University of Wollonoong, New South Wales, Australia F. IVOR ROBERTS [Present address: School of Applied Geology, University of New South Wales, PO Box 1, Kensinoton , NSW 2033, Australia] MINERALOGICAL MAGAZINE, MARCH 1982, VOL. 46, PP. 134-6 Mineralization at Le Pulec, Jersey, Channel Islands; No. 1 Lode THE No. 1 Lode is the westernmost and most Mineralization within the Brioverian sediments extensive of three lead-zinc veins cutting Brioverian sediments at Le Pulec. It was described by Williams Anatase is common within the sediments as 2-10 (1871) as being between 1.5 and 1.8 m in width and pm anhedral grains associated with silicates or 183 m in length, with a trend of 340 ~ and the as 10 x 2 #m laths, parallel to the basal cleavage galena was reported to have a high silver content. of the altered phyllosilicates, particularly musco- Since the investigation of the No. 3 Lode (Ixer and vite. Anatase is also found with hematite laths Stanley, 1980) it has been possible to examine (20x 2 /~m) included in early pyrite grains. A several specimens, collected from the recently re- coarse-grained (600 x 20 pm) generation of anatase discovered No. -
The Nature of Waste Associated with Closed Mines in England and Wales
The nature of waste associated with closed mines in England and Wales Minerals & Waste Programme Open Report OR/10/14 BRITISH GEOLOGICAL SURVEY MINERALS & WASTE PROGRAMME OPEN REPORT OR/10/14 The National Grid and other Ordnance Survey data are used with the permission of the The nature of waste associated Controller of Her Majesty’s Stationery Office. OS Topography © Crown with closed mines in England and Copyright. All rights reserved. BGS 100017897/2010 Wales Keywords Abandoned mine waste facilities; Palumbo-Roe, B and Colman, T England and Wales; mineral deposits; environmental impact; Contributor/editor European Mine Waste Directive. Cameron, D G, Linley, K and Gunn, A G Front cover Graiggoch Mine (SN 7040 7410), Ceredigion, Wales. Bibliographical reference Palumbo-Roe, B and Colman, T with contributions from Cameron, D G, Linley, K and Gunn, A G. 2010. The nature of waste associated with closed mines in England and Wales. British Geological Survey Open Report, OR/10/14. 98pp. Copyright in materials derived from the British Geological Survey’s work is owned by the Natural Environment Research Council (NERC) and the Environment Agency that commissioned the work. You may not copy or adapt this publication without first obtaining permission. Contact the BGS Intellectual Property Rights Section, British Geological Survey, Keyworth, e-mail [email protected]. You may quote extracts of a reasonable length without prior permission, provided a full acknowledgement is given of the source of the extract. The views and statements expressed in this report are those of the authors alone and do not necessarily represent the views of the Environment Agency. -
Washington State Minerals Checklist
Division of Geology and Earth Resources MS 47007; Olympia, WA 98504-7007 Washington State 360-902-1450; 360-902-1785 fax E-mail: [email protected] Website: http://www.dnr.wa.gov/geology Minerals Checklist Note: Mineral names in parentheses are the preferred species names. Compiled by Raymond Lasmanis o Acanthite o Arsenopalladinite o Bustamite o Clinohumite o Enstatite o Harmotome o Actinolite o Arsenopyrite o Bytownite o Clinoptilolite o Epidesmine (Stilbite) o Hastingsite o Adularia o Arsenosulvanite (Plagioclase) o Clinozoisite o Epidote o Hausmannite (Orthoclase) o Arsenpolybasite o Cairngorm (Quartz) o Cobaltite o Epistilbite o Hedenbergite o Aegirine o Astrophyllite o Calamine o Cochromite o Epsomite o Hedleyite o Aenigmatite o Atacamite (Hemimorphite) o Coffinite o Erionite o Hematite o Aeschynite o Atokite o Calaverite o Columbite o Erythrite o Hemimorphite o Agardite-Y o Augite o Calciohilairite (Ferrocolumbite) o Euchroite o Hercynite o Agate (Quartz) o Aurostibite o Calcite, see also o Conichalcite o Euxenite o Hessite o Aguilarite o Austinite Manganocalcite o Connellite o Euxenite-Y o Heulandite o Aktashite o Onyx o Copiapite o o Autunite o Fairchildite Hexahydrite o Alabandite o Caledonite o Copper o o Awaruite o Famatinite Hibschite o Albite o Cancrinite o Copper-zinc o o Axinite group o Fayalite Hillebrandite o Algodonite o Carnelian (Quartz) o Coquandite o o Azurite o Feldspar group Hisingerite o Allanite o Cassiterite o Cordierite o o Barite o Ferberite Hongshiite o Allanite-Ce o Catapleiite o Corrensite o o Bastnäsite -
Ajoite: New Data
American Mineralogist, Volume 66, pages 201-203, 1981 Ajoite: new data GEORGE Y. CHAO Department of Geology, Carleton University Ottawa, Ontario Kl S 5B6, Canada Abstract New data show that ajoite is triclinic, PI or pI, a ==13.637, b ==14.507, c ==13.620A, a == 107.16, f3 = 105.45, y = 110.57°; Z ==3. The mineral is biaxial positive, 2V ==80°, a ==1.550, f3 = 1.583, y = 1.641 (in Na light); pleochroic: X = very light bluish green, Y -- Z ==brilliant bluish green. {010} cleavage is perfect. The orientation of the principal vibration directions is defined by the spherical coordinates X(26.5°, 80°), Y(118°, 79°), Z(-104.5°, 15°). The ex- tinction angle c: Z' on (0 I0) is 150. Electron microprobe and chemical analyses gave Si02 41.2, Al203 3.81, CuO 42.2, MnO 0.02, FeO 0.11, CaO 0.04, Na20 0.84, K20 2.50, H20 (TGA to 1000°C) 8.35, sum 99.07 wt.%. The analysis corresponds to (Ko.70NaO.36Cao.Ol)(CUt,.97 Feo.o2)Alo.98Si9.oo024(OH)6'3.09H20 or ideally, (K,Na)Cu7AISi9024(OH)6' 3H20. TGA showed a two-stage dehydration; 50% of the total water was released between 70° and 425°C and the rest between 4250 and 800°C. Half of the water is zeolitic in nature. Introduction are always present. The termination on c may be ei- Ajoite, first described by Schaller and Vlisidis ther {001} or {203} or both. (1958) from Ajo, Pima County, Arizona, was thought to be monoclinic on the basis of optical studies. -
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 -
Uraninite Alteration in an Oxidizing Environment and Its Relevance to the Disposal of Spent Nuclear Fuel
TECHNICAL REPORT 91-15 Uraninite alteration in an oxidizing environment and its relevance to the disposal of spent nuclear fuel Robert Finch, Rodney Ewing Department of Geology, University of New Mexico December 1990 SVENSK KÄRNBRÄNSLEHANTERING AB SWEDISH NUCLEAR FUEL AND WASTE MANAGEMENT CO BOX 5864 S-102 48 STOCKHOLM TEL 08-665 28 00 TELEX 13108 SKB S TELEFAX 08-661 57 19 original contains color illustrations URANINITE ALTERATION IN AN OXIDIZING ENVIRONMENT AND ITS RELEVANCE TO THE DISPOSAL OF SPENT NUCLEAR FUEL Robert Finch, Rodney Ewing Department of Geology, University of New Mexico December 1990 This report concerns a study which was conducted for SKB. The conclusions and viewpoints presented in the report are those of the author (s) and do not necessarily coincide with those of the client. Information on SKB technical reports from 1977-1978 (TR 121), 1979 (TR 79-28), 1980 (TR 80-26), 1981 (TR 81-17), 1982 (TR 82-28), 1983 (TR 83-77), 1984 (TR 85-01), 1985 (TR 85-20), 1986 (TR 86-31), 1987 (TR 87-33), 1988 (TR 88-32) and 1989 (TR 89-40) is available through SKB. URANINITE ALTERATION IN AN OXIDIZING ENVIRONMENT AND ITS RELEVANCE TO THE DISPOSAL OF SPENT NUCLEAR FUEL Robert Finch Rodney Ewing Department of Geology University of New Mexico Submitted to Svensk Kämbränslehantering AB (SKB) December 21,1990 ABSTRACT Uraninite is a natural analogue for spent nuclear fuel because of similarities in structure (both are fluorite structure types) and chemistry (both are nominally UOJ. Effective assessment of the long-term behavior of spent fuel in a geologic repository requires a knowledge of the corrosion products produced in that environment. -
A Single-Crystal Epr Study of Radiation-Induced Defects
A SINGLE-CRYSTAL EPR STUDY OF RADIATION-INDUCED DEFECTS IN SELECTED SILICATES A Thesis Submitted to the College of Graduate Studies and Research In Partial Fulfillment of the Requirements For the Degree of Doctor of Philosophy In the Department of Geological Sciences University of Saskatchewan Saskatoon By Mao Mao Copyright Mao Mao, October, 2012. All rights reserved. Permission to Use In presenting this thesis in partial fulfilment of the requirements for a Doctor of Philosophy degree from the University of Saskatchewan, I agree that the Libraries of this University may make it freely available for inspection. I further agree that permission for copying of this thesis in any manner, in whole or in part, for scholarly purposes may be granted by the professor or professors who supervised my thesis work or, in their absence, by the Head of the Department or the Dean of the College in which my thesis work was done. It is understood that any copying or publication or use of this thesis or parts thereof for financial gain shall not be allowed without my written permission. It is also understood that due recognition shall be given to me and to the University of Saskatchewan in any scholarly use which may be made of any material in my thesis. Requests for permission to copy or to make other use of material in this thesis in whole or part should be addressed to: Head of the Department of Geological Sciences 114 Science Place University of Saskatchewan Saskatoon, Saskatchewan S7N5E2, Canada i Abstract This thesis presents a series of single-crystal electron paramagnetic resonance (EPR) studies on radiation-induced defects in selected silicate minerals, including apophyllites, prehnite, and hemimorphite, not only providing new insights to mechanisms of radiation-induced damage in minerals but also having direct relevance to remediation of heavy metalloid contamination and nuclear waste disposal. -
Wickenburgite Pb3caal2si10o27² 3H2O
Wickenburgite Pb3CaAl2Si10O27 ² 3H2O c 2001 Mineral Data Publishing, version 1.2 ° Crystal Data: Hexagonal. Point Group: 6=m 2=m 2=m: Tabular holohedral crystals, dominated by 0001 and 1011 , to 1.5 mm. As spongy aggregates of small, highly perfect f g f g individuals; as subparallel aggregates or rosettes; granular. Physical Properties: Cleavage: 0001 , indistinct. Tenacity: Brittle but tough. Hardness = 5 D(meas.) = 3.85 D(cfalc.) g= 3.88 Fluoresces dull orange under SW UV. Optical Properties: Transparent to translucent. Color: Colorless to white; rarely salmon-pink. Luster: Vitreous. Optical Class: Uniaxial ({). Dispersion: r < v; moderate. ! = 1.692 ² = 1.648 Cell Data: Space Group: P 63=mmc: a = 8.53 c = 20.16 Z = 2 X-ray Powder Pattern: Near Wickenburg, Arizona, USA. 10.1 (100), 3.26 (80), 3.93 (60), 3.36 (40), 2.639 (40), 5.96 (30), 5.04 (30) Chemistry: (1) (2) SiO2 42.1 40.53 Al2O3 7.6 6.88 PbO 44.0 45.17 CaO 3.80 3.78 H2O 3.77 3.64 Total 101.27 100.00 (1) Near Wickenburg, Arizona, USA. (2) Pb3CaAl2Si10O24(OH)6: [needsnew??formula] Occurrence: In oxidized hydrothermal veins, carrying galena and sphalerite, in quartz and °uorite gangue (near Wickenburg, Arizona, USA). Association: Phoenicochroite, mimetite, cerussite, willemite, crocoite, duftite, hemihedrite, alamosite, melanotekite, luddenite, ajoite, shattuckite, vauquelinite, descloizite, laumontite. Distribution: In the USA, in Arizona, at several localities south of Wickenburg, Maricopa Co., including the Potter-Cramer property, Belmont Mountains, and the Moon Anchor mine; on dumps at a Pb-Ag-Cu prospect in the Artillery Peaks area, Mohave Co.; and in the Dives (Padre Kino) mine, Silver district, La Paz Co. -
Evolution of Zincian Malachite Synthesis by Low Temperature Co
Evolution of zincian malachite synthesis by low temperature co- precipitation and its catalytic impact on the methanol synthesis Leon Zwienera, Frank Girgsdiesa, Daniel Brenneckea, Detre Teschnera,b, Albert G.F. Machokeb, Robert Schlögla,b, and Elias Frei*a [a] Department of Inorganic Chemistry, Fritz Haber Institute of the Max Planck Society, Faradayweg 4-6, 14195 Berlin, Germany. [b] Department of Heterogeneous Reactions, Max Planck Institute for Chemical Energy Conversion, Stiftstrasse 34 – 36, 45470 Mülheim an der Ruhr, Germany. *E-mail: [email protected] Keywords: zincian malachite • co-precipitation • methanol synthesis Abstract: Low temperature co-precipitation enabled, for the first time, the preparation of phase pure zincian malachite precursors with Zn contents of up to 31 at.-%. The high Zn content was beneficial for maximizing the dispersion of Cu and oxygen defect sites on the ZnO surface. Further, an increase of the Zn loading from 10 to 31 at.-% doubled the specific surface areas obtained from N2O-RFC (Reactive Frontal Chromatography) and H2- TA (Transient Adsorption). As the Zn content was increased from 10 to 31 at.-%, the apparent activation energy for methanol formation was strongly decreased. Furthermore, water formation was reduced indicating a retardation of the rWGS in favor of methanol formation at high Zn loadings. Additionally, compared to high temperature co-precipitation, low temperature precipitated catalysts exhibited increased catalytic activities. 1. Introduction Rising global energy demand, relying on the ongoing consumption of fossil fuels, has led to a drastic increase in atmospheric CO2 concentration over the past century.[1] Since CO2 has been attributed to be the main anthropogenic source of the greenhouse effect, CO2 has become a valuable carbon source available for chemical conversion (e.g.