The Mineral Industry of Indonesia in 2014
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Un-Official Translation Curriculum Vitae Bapak Prof
Un-official translation Curriculum Vitae Bapak Prof. Dr. Ir. Irwandy Arif, M.Sc. Indonesian citizen, 63 years. He currently serves as an Independent Director of Golden Energy and Resources Ltd., Independent Commissioner of PT Vale Indonesia Tbk, PT Indexim Coalindo, as well as members of the Audit Committee of PT Adaro Energy Tbk and PT Tobabara Sejahtera Tbk. He has extensive experience in the coal industry where he served as the Board of Commissioners of various mining companies in Indonesia such as PT Aneka Tambang Tbk., PT Berau Coal Energy Tbk, and PT Multi Harapan Utama. He also has served as advisor in various mining companies, such as PT PT Tambang Batubara Bukit Asam Tbk., PT Freeport Indonesia, PT Pamapersada Nusantara, PT Gunung Bayan Pratama Coal, PT Cibaliung Sumber Daya Mineral, and PT Quarry Mas Utama. He also involved in education sector, in which He has served as Head of Mining Department – Institute Technology of Bandung (“ITB”) during the year 1995-1998, Dean of the Faculty of Technology Minerals and Geo-Science at ITB during the year 2003- 2004 and served as Chairman of Commission II of the Advisory Board ITB during the years 2009-2014. He was graduated from ITB as a Bachelor of Engineering in Mining Engineering in 1976. Later, He earned a Master of Science in Industrial Engineering from ITB in 1985 and earned a Master and Doctorate at the Ecoles des Mines de Nancy-Institute Polytechnique de Lorraine, France in 1988 and 1991. He also earned as the Professor in Mining Engineering from ITB in 2003. -
40 Common Minerals and Their Uses
40 Common Minerals and Their Uses Aluminum Beryllium The most abundant metal element in Earth’s Used in the nuclear industry and to crust. Aluminum originates as an oxide called make light, very strong alloys used in the alumina. Bauxite ore is the main source aircraft industry. Beryllium salts are used of aluminum and must be imported from in fluorescent lamps, in X-ray tubes and as Jamaica, Guinea, Brazil, Guyana, etc. Used a deoxidizer in bronze metallurgy. Beryl is in transportation (automobiles), packaging, the gem stones emerald and aquamarine. It building/construction, electrical, machinery is used in computers, telecommunication and other uses. The U.S. was 100 percent products, aerospace and defense import reliant for its aluminum in 2012. applications, appliances and automotive and consumer electronics. Also used in medical Antimony equipment. The U.S. was 10 percent import A native element; antimony metal is reliant in 2012. extracted from stibnite ore and other minerals. Used as a hardening alloy for Chromite lead, especially storage batteries and cable The U.S. consumes about 6 percent of world sheaths; also used in bearing metal, type chromite ore production in various forms metal, solder, collapsible tubes and foil, sheet of imported materials, such as chromite ore, and pipes and semiconductor technology. chromite chemicals, chromium ferroalloys, Antimony is used as a flame retardant, in chromium metal and stainless steel. Used fireworks, and in antimony salts are used in as an alloy and in stainless and heat resisting the rubber, chemical and textile industries, steel products. Used in chemical and as well as medicine and glassmaking. -
Eparation of the Purest Aluminum Chemicals
III. MINERAL COMMODITIES A. INDIVIDUAL MINERAL COMMODITY REVIEWS ALUMINA & ALUMINUM A. Commodity Summary Aluminum, the third most abundant element in the earth's crust, is usually combined with silicon and oxygen in rock. Rock that contains high concentrations of aluminum hydroxide minerals is called bauxite. Although bauxite, with rare exceptions, is the starting material for the production of aluminum, the industry generally refers to metallurgical grade alumina extracted from bauxite by the Bayer Process, as the ore. Aluminum is obtained by electrolysis of this purified ore.1 The United States is entirely dependent on foreign sources for metallurgical grade bauxite. Bauxite imports are shipped to domestic alumina plants, which produce smelter grade alumina for the primary metal industry. These alumina refineries are in Louisiana, Texas, and the U.S. Virgin Islands.2 The United States must also import alumina to supplement this domestic production. Approximately 95 percent of the total bauxite consumed in the United States during 1994 was for the production of alumina. Primary aluminum smelters received 88 percent of the alumina supply. Fifteen companies operate 23 primary aluminum reduction plants. In 1994, Montana, Oregon, and Washington accounted for 35 percent of the production; Kentucky, North Carolina, South Carolina, and Tennessee combined to account for 20 percent; other states accounted for the remaining 45 percent. The United States is the world’s leading producer and the leading consumer of primary aluminum metal. Domestic consumption in 1994 was as follows: packaging, 30 percent; transportation, 26 percent; building, 17 percent; electrical, 9 percent; consumer durables, 8 percent; and other miscellaneous uses, 10 percent. -
Ofr034 85.Pdf
GALLIUM AND GERMANIUM POTENTIAL IN ALASKA by: Steven A. Fechner **k*t******k**************-k****f******* 1\ 34-85 I I UNITED STATES DEPARTMENT OF THE INTERIOR Donald P. Hodel, Secretary I BUREAU OF MINES I Robert C. Horton, Director I CONTENTS Page Abstract............. ................... .... .............. ... .... 1 Introduction........ ..................................... 1 Acknowledgments............................................. 2 Bureau of Mines investigation.................................. 2 Results............. .................. .......................... 3 Gallium............ ................... ...... .... ............. 3 Germanium....................... .......................... 6 Potential ......... ........................................ ...... 7 Conclusions and recommendations................................. 7 References............... ............... ................... 9 ILLUSTRATIONS 1. Gallium and germanium location map of Alaska............(in pocket) TABLES 1. Recoverable gallium and germanium concentrations in ore deposits............................................. ........ 4 2. Analytical results from selected mineral specimens and concentrates................................................ 5 i UNIT OF MEASURE ABBREVIATIONS USED IN THIS REPORT ppm Parts per million % Percent ii GALLIUM AND GERMANIUM POTENTIAL IN ALASKA By Steven A. Fechner 1/ ABSTRACT The U.S. Bureau of Mines is currently conducting a mineral study of the gallium and germanium potential in Alaska as part of the critical and strategic -
The Journal of the Geological Society of Jamaica Bauxite /Alumina Symposium 1971
I THE JOURNAL OF THE GEOLOGICAL SOCIETY OF JAMAICA BAUXITE /ALUMINA SYMPOSIUM 1971 LIBRARY 01' ISSUE '/// <°* PREFACE The recent Bauxite/Alumina Industry Symposium, which was sponsored by the Geo logical Society of Jamaica, was an attempt to bring together scientists and engineers to discuss the many problems relating to the industry. Ihe use of a multi-dicipli- nary approach has the advantage of permitting different lines of attack on the same problems, and thereby increasing the likelihood of finding solutions to them. Also, the interaction of people from the University, industry and Government greatly facilitates communication and allows problems to be evaluated and examined from different points of view. The bauxite/alumina industry was selected for discussion because of its significance in the economy of Jamaica. It contributed about 16% of the country's total Gross Domestic Product in 1970, and is the economic sector with the greatest potential for growth. Jamaica's present viable mineral industry only dates back to 19S2 when Reynolds Jamaica Mines, Limited started the export of kiln dried metallurgical grade bauxite ore. This was followed shortly by the production and export of alumina by the then Alumina Jamaica Limited (now Alcan Jamaica, Limited), a subsidiary of the Aluminium Company of Canada. The commencement of this new and major industry followed a successful exploration and development programme which resulted largely from the keen perception and perseverance of two men. First, Mr. R.F. Innis observed that some of the cattle lands on the St. Ann plateau were potential sources of aluminium ore, and then Sir Alfred DaCosta persisted in attempts to interest aluminium companies in undertaking exploration work here. -
For Personal Use Only Use Personal for CEO of PT Timah Tbk, Mochtar Riza Pahlevi Tabrani, Said
Press Release Three Companies Officially Join the Holding of Mining State- Owned Enterprises (BUMN) Jakarta, 30 November 2017 – The Extra Ordinary General Meetings of Shareholders of three state-owned enterprises; namely PT Aneka Tambang (Persero) Tbk (ANTM), PT Bukit Asam (Persero) Tbk (PTBA), and PT Timah (Persero) Tbk (TINS) approve the change of the companies’ Articles of Association pertaining to the change of company status from Limited Liability to Non-Limited Liability. The resolution is in line with Government Regulation number 47 Year 2017 on the Addition of The Republic of Indonesia State Capital Participation in the Share Capital of PT Inalum (Persero). The Extra Ordinary General Meetings of Shareholders of the three state-owned enterprises were conducted consecutively on Wednesday (29/11) at 09.00-11.00 for ANTM, at 13.00-15.00 for TINS, and finally at 15.00-17.00 for PTBA. The main agenda of the Extra Ordinary General Meeting of Shareholders of Timah and Aneka Tambang (Antam) is on approval for the change of companies’ Articles of Association in relation to the change of status from Limited Liability to Non-Limited Liability, which is in accordance with Government Regulation number 47 Year 2017 on the Addition of The Republic of Indonesia State Capital Participation in the Share Capital of PT Inalum (Persero). In regards of the Government Regulation, 15.619.999.999 of PT Antam (Persero)’s series B stocks will be transferred to Inalum as additional state’s capital. Therefore, Inalum will own 65% of Antam shareholder (B Series), while the rest 35% is owned by public. -
Fluid-Inclusion Petrology Data from Porphyry Copper Deposits and Applications to Exploration COVER PHOTOGRAPHS 1
- . Fluid-Inclusion Petrology Data from PorpHyry Copper Deposits and Applications to Exploration COVER PHOTOGRAPHS 1. Asbestos ore 8. Aluminum ore, bauxite, Georgia I 2 3 4 2. Lead ore, Balmat mine, N.Y. 9. Native copper ore, Keweenawan 5 6 3. Chromite, chromium ore, Washington Peninsula, Mich. 4. Zinc ore, Friedensville, Pa. 10. Porphyry molybdenum ore, Colorado 7 8 5. Banded iron-formation, Palmer, 11. Zinc ore, Edwards, N.Y. Mich. 12. Manganese nodules, ocean floor 9 10 6. Ribbon asbestos ore, Quebec, Canada 13. Botryoidal fluorite ore, 7. Manganese ore, banded Poncha Springs, Colo. II 12 13 14 rhodochrosite 14. Tungsten ore, North Carolina Fluid-Inclusion Petrology Data from Porphyry Copper Deposits and Applications to Exploration By]. THOMAS NASH GEOLOGY AND RESOURCES OF COPPER DEPOSITS GEOLOGICAL SURVEY PROFESSIONAL PAPER 907-D A summary of new and published descriptions offluid inclusions from 3 6 porphyry copper deposits and discussion of possible applica'tions to exploration for copper deposits UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON 1976 UNITED STATES DEPARTMENT OF THE INTERIOR THOMAS S. KLEPPE, Secretary GEOLOGICAL SURVEY V. E. McKelvey, Director Library of Congress Cataloging in Publication Data Nash, John Thomas, 1941- Fluid-inclusion petrology-data from porphyry copper deposits and applications to exploration. (Geology and Resources of Copper Deposits) (Geological Survey Professional Paper 907-D) Bibliography: p. Supt. of Docs. no.: I 19.16:907-D 1. Porphyry-Inclusions. 2. Porphyry-Southwestern States. 3. Copper ores-Southwestern States. I. Title. II. Series. III. Series: United States Geological Survey Professional Paper 907-D. QE462.P6N37 549'.23 76-608145 For sale by the Superintendent of Documents, U.S. -
3Rd Quarter 1999
Quarterly Report to Shareholders For the three months ending 30th September 1999 ARBN - 087 423 998 GENERAL OVERVIEW EXPLORATION • Promising nickel exploration at Buli; detailed drilling to continue to raise reserves classification. • The Mangkaluku prospect in the Latupa region provides encouraging gold exploration results. • Further detailed drilling confirm the Tayan bauxite deposit’s open pit mining method; although requiring review, the feasibility and environmental studies have been completed DEVELOPMENT • FeNi III, Antam’s nickel expansion project is progressing positively. • PT Nusa Halmahera Minerals (Antam 17.5% and Newcrest 82.5%) begins producing gold. • PT Galuh Cempaka (Antam 20% and Ashton 80%) completes full assembly of Dredge 1, part of the Cempaka Alluvial Diamond Project. PRODUCTION • High-grade nickel ore production increases, while low-grade nickel ore production endures a weather-related decrease. • Following the relining and modernization of FeNi I, Antam’s ferronickel production increases by 23% over 3Q98. • Antam’s gold and silver production increases over 2Q99 by 33% and 72%. FINANCIAL • Unaudited Financial Statements for the nine months ending 30th September 1999 will be released by mid-November 1999, pursuant to the regulations of the Jakarta Stock Exchange. • Cash and production costs for gold decrease by 16% and 17% Dohar Siregar Corporate Secretary 29th October 1999 2 EXPLORATION PT Aneka Tambang has an extensive exploration program dispersed throughout the Indonesian archipelago. This report will update the exploration activities during 3Q99 of those tenements in which Antam has a majority interest. Antam has a minority interest in several exploration joint ventures, the most promising of which are reported in the development section of this report. -
Investing in the Minerals Industry in Liberia
ANDS, MIN L ES F O & Y GICAL SU E R LO RV N O E T E Y E S G I R G N I Y M R E IA P R UB E LIC OF LIB Investing in the minerals industry in Liberia liberia No4 cover.indd 1 21/01/2016 09:51:14 Investing in the minerals industry in Liberia: ▪▪ Extensive Archean and Proterozoic terranes highly prospective for many metals and industrial minerals, but detailed geology poorly known. ▪▪ Gold, iron ore and diamonds widespread, with new mines opened since 2013 and other projects in the pipeline. ▪▪ Known potentially economic targets for diamonds, base metals, manganese, bauxite, kyanite, phosphate, etc. ▪▪ Little modern exploration carried out for most mineral commodities with the exception of gold and iron ore. ▪▪ National datasets for geology, airborne geophysics and mineral occurrences available in digital form. ▪▪ Modern mineral licensing system. Introduction The Republic of Liberia is located in West Africa, in Liberia. Furthermore, Liberia is richly endowed bordered by Sierra Leone, Guinea, Côte d’Ivoire with natural resources, including minerals, water and to the south-west by the Atlantic Ocean and forests, and has a climate favourable to (Figure 1). With a land area of about 111 000 km2 agriculture. Since the cessation of hostilities the and a population of nearly 4.1 million much of country has made strenuous efforts to strengthen Liberia is sparsely populated comprising rolling its mineral and agricultural industries, mostly plateaux and low mountains away from a narrow timber and rubber. flat coastal plain. The climate is typically tropical, hot and humid at all times, with most rain falling Mineral resources, especially iron ore, have in the in the summer months. -
Deforestation Trends in the Congo Basin Reconciling Economic Growth and Forest Protection Public Disclosure Authorized
Deforestation Trends in the Congo Basin Reconciling Economic Growth and Forest Protection Public Disclosure Authorized WORKING PAPer 4 | Mining Kirsten Hund Carole Megevand with Edilene Pereira Gomes Public Disclosure Authorized Marta Miranda Erik W. Reed Public Disclosure Authorized Public Disclosure Authorized APRIL 2013 Deforestation Trends in the Congo Basin Reconciling Economic Growth and Forest Protection WORKING PAPer 4 | Mining Kirsten Hund Carole Megevand with Edilene Pereira Gomes Marta Miranda Erik Reed APRIL 2013 Working Paper 4: Mining iii CONTENTS ACRONYMS ....................................................................................................................................................vii AcknoWLedgments .................................................................................................................................ix IntrodUctIon .............................................................................................................................................xi Chapter 1. MIneraL WeaLth IN the Congo BasIN: LargeLY Untapped.........................1 Geology and Associated Mineral Resources ................................................................................................1 Mining Sector in the Congo Basin ....................................................................................................................3 Types of Mining Operations ........................................................................................................................4 -
Iron Recovery from Bauxite Tailings Red Mud by Thermal Reduction with Blast Furnace Sludge
applied sciences Article Iron Recovery from Bauxite Tailings Red Mud by Thermal Reduction with Blast Furnace Sludge Davide Mombelli * , Silvia Barella , Andrea Gruttadauria and Carlo Mapelli Dipartimento di Meccanica, Politecnico di Milano, via La Masa 1, Milano 20156, Italy; [email protected] (S.B.); [email protected] (A.G.); [email protected] (C.M.) * Correspondence: [email protected]; Tel.: +39-02-2399-8660 Received: 26 September 2019; Accepted: 9 November 2019; Published: 15 November 2019 Abstract: More than 100 million tons of red mud were produced annually in the world over the short time range from 2011 to 2018. Red mud represents one of the metallurgical by-products more difficult to dispose of due to the high alkalinity (pH 10–13) and storage techniques issues. Up to now, economically viable commercial processes for the recovery and the reuse of these waste were not available. Due to the high content of iron oxide (30–60% wt.) red mud ranks as a potential raw material for the production of iron through a direct route. In this work, a novel process at the laboratory scale to produce iron sponge ( 1300 C) or cast iron (> 1300 C) using blast furnace ≤ ◦ ◦ sludge as a reducing agent is presented. Red mud-reducing agent mixes were reduced in a muffle furnace at 1200, 1300, and 1500 ◦C for 15 min. Pure graphite and blast furnace sludges were used as reducing agents with different equivalent carbon concentrations. The results confirmed the blast furnace sludge as a suitable reducing agent to recover the iron fraction contained in the red mud. -
Targeting Limestone and Bauxite Deposits in Southern India by Spectral Unmixing of Hyperspectral Image Data
TARGETING LIMESTONE AND BAUXITE DEPOSITS IN SOUTHERN INDIA BY SPECTRAL UNMIXING OF HYPERSPECTRAL IMAGE DATA S. Sanjeevi Department of Geology, Anna University, Chennai-600025. India - [email protected] KEY WORDS: Hyperspectral, ASTER, Spectral unmixing, End-member spectra, limestone, bauxite, exploration. ABSTRACT: This paper presents a study about the potential of spectral unmixing of hyperspectral satellite image data for targeting and quantification of mineral content in limestone and bauxite rich areas in southern India. ASTER image (acquired in the VNIR and SWIR regions) has been used in conjunction with SRTM – DEM and field studies. A new approach of spectral unmixing of ASTER image data delineated areas rich in carbonates and alumina. Various geological and geomorphological parameters that control limestone and bauxite formation were also derived from the ASTER image. All these information, when integrated, showed that there are 16 cappings (including the existing mines) that satisfy most of the conditions favouring bauxitization in the Kolli Hills. The sub-pixel estimates of carbonate content in the limestone area of Ariyalur, south India, match well with the geochemistry of the samples collected from the study area. The study concludes that spectral unmixing of hyperspectral satellite data in the VNIR and SWIR regions may be combined with the terrain parameters to, not only target limestone and bauxite deposits accurately, but also estimate the quality of these deposits. 1. INTRODUCTION 1.1 Limestone and Bauxite as resources Much information about potential areas for mineral exploration Limestone is an important mineral resource used in the can be provided by interpretation of surface features on aerial manufacture of cement, lime, steel, glass etc.