Leading the World in Moly Brochure
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Porphyry and Other Molybdenum Deposits of Idaho and Montana
Porphyry and Other Molybdenum Deposits of Idaho and Montana Joseph E. Worthington Idaho Geological Survey University of Idaho Technical Report 07-3 Moscow, Idaho ISBN 1-55765-515-4 CONTENTS Introduction ................................................................................................ 1 Molybdenum Vein Deposits ...................................................................... 2 Tertiary Molybdenum Deposits ................................................................. 2 Little Falls—1 ............................................................................. 3 CUMO—2 .................................................................................. 3 Red Mountain Prospect—45 ...................................................... 3 Rocky Bar District—43 .............................................................. 3 West Eight Mile—37 .................................................................. 3 Devil’s Creek Prospect—46 ....................................................... 3 Walton—8 .................................................................................. 4 Ima—3 ........................................................................................ 4 Liver Peak (a.k.a. Goat Creek)—4 ............................................. 4 Bald Butte—5 ............................................................................. 5 Big Ben—6 ................................................................................. 6 Emigrant Gulch—7 ................................................................... -
Freeport-Mcmoran Copper & Gold Inc. Announces Molybdenum
Financial Contacts: Media Contact: One North Central Avenue Phoenix, AZ 85004 Kathleen L. Quirk David P. Joint William L. Collier (602) 366-8016 (504) 582-4203 (504) 582-1750 Freeport-McMoRan Copper & Gold Inc. Announces Molybdenum Production Curtailment and Plans to Defer Restart of Climax Molybdenum Mine PHOENIX, AZ, November 10, 2008 – Freeport-McMoRan Copper & Gold Inc. (NYSE: FCX) announced today in response to the recent sharp decline in molybdenum prices plans to reduce production from its Henderson primary molybdenum mine and to defer the restart of the Climax molybdenum mine. Molybdenum markets have been strong in recent years, averaging $30 per pound in 2007 and $33 per pound in the nine months ended September 30, 2008. Slowing demand for molybdenum in the metallurgical and chemicals sectors during October 2008 combined with weak global economic conditions and turmoil in credit and financial markets has resulted in a sudden and sharp decline in molybdenum prices in recent weeks. The Metals Week Molybdenum Dealer Oxide price declined from approximately $30 per pound in mid-October 2008 to $12 per pound on November 10, 2008. In response to these conditions, FCX has revised its mine plans at its Henderson primary molybdenum mine near Empire, Colorado to operate at a reduced rate. This will result in a reduction in expected annual molybdenum production of approximately 10 million pounds, reflecting a 25 percent reduction in Henderson’s approximate annual production. FCX is also assessing the potential to curtail molybdenum production at its by-product mines. FCX also announced the suspension of construction activities associated with the restart of the Climax molybdenum mine near Leadville, Colorado. -
BUILDING on STRENGTH Annual Report on Sustainability
BUILDING ON STRENGTH Annual Report on Sustainability 2019 Sustainability Report | 1 Cover Photo: Remote underground equipment operators at the Grasberg Block Cave, Indonesia. About Freeport-McMoRan Freeport-McMoRan Inc. (Freeport-McMoRan, FCX or the company) is a leading international mining company with headquarters in Phoenix, Arizona. FCX operates large, long-lived, geographically diverse assets with significant proven and probable reserves of copper, gold and molybdenum. FCX is one of the world’s largest publicly traded copper producers. Our portfolio of assets includes the Grasberg minerals district in Indonesia (PT Freeport Indonesia or PT-FI), one of the world’s largest copper and gold deposits; and significant mining operations in North America and South America (Freeport Minerals Corporation or FMC), including the large-scale Morenci minerals district in Arizona and the Cerro Verde operation in Peru. RECENT AWARDS & RECOGNITION Freeport-McMoRan was named to Forbes Magazine’s JUST 100 as one of America’s most JUST Companies for the 4th consecutive year (ranked 43rd nationally and 1st in Basic Resources). Freeport-McMoRan ranked 6th among 200 of the largest publicly traded companies in the world assessed by the Corporate Human Rights Benchmark (ranked 1st in North America and 3rd among 56 global extractive companies evaluated). Forbes Magazine ranked Freeport-McMoRan on its 2019 Best Employers List (2nd best employer in Arizona and 143rd nationally). Newsweek ranked Freeport-McMoRan as one of America’s 300 Most Responsible Companies (ranked 138th). 100 BEST Corporate Responsibility Magazine listed Freeport-McMoRan as one of the CORPORATE 100 Best Corporate Citizens for the 8th year for outstanding environmental, CITIZENS social and governance (ESG) transparency and performance. -
View Annual Report
PROVING OUR METTLE 2015 Annual Report Freeport-McMoRan Inc. (FCX) is a natural resources company with headquarters in Phoenix, Arizona. FCX operates large, long-lived, geographically diverse assets with significant proven and probable reserves of copper, gold, molybdenum, cobalt, oil and natural gas. FCX is the world’s largest publicly traded copper producer, the world’s largest producer of molybdenum, and a significant gold, oil and natural gas producer. FCX’s portfolio of metal assets includes the Grasberg minerals district in Indonesia, one of the world’s largest copper and gold deposits; significant mining operations in North and South America, including the large-scale Morenci minerals district in Arizona and the Cerro Verde operation in Peru; and the Tenke Fungurume minerals district in the Democratic Republic of Congo. FCX’s portfolio of oil and natural gas assets includes growth potential in the Deepwater Gulf of Mexico, established oil production facilities onshore and offshore California, large onshore natural gas resources in the Haynesville shale in Louisiana, natural gas production from the Madden area in central Wyoming, and a position in the Inboard Lower Tertiary/Cretaceous natural gas trend onshore in South Louisiana. During 2015, FCX took actions to enhance its financial position in response to lower market prices for its primary commodities. Current market conditions and uncertainty about the timing of economic and commodity price recovery requires FCX to continue taking actions to strengthen its financial position, reduce debt and re-focus its portfolio of assets. FCX’s business strategy is focused on its position as a leading global copper producer. -
Sierrita Mine from Mine to Me How Copper Ore Becomes Copper Wire
Sierrita Mine From Mine to Me How copper ore becomes copper wire Arizona Copper Mines 3 Copper Sulfide Ore 5 Copper Oxide Ore 8 Exploration 11 Open Pit Mining 22 Crushing and Milling 37 Flotation 46 Smelting 54 Leaching Oxide Ore 71 2012 Heap Leaching 76 by Jan C. Rasmussen, Ph.D. Solvent Extraction 82 Electrowinning 87 Fabricating - Rod Mill 96 Electrorefining 100 Reclamation 112 Uses of Copper 118 2 Arizona Copper Mines • Bagdad • Bisbee • Carlota • Hayden Smelter • Johnson Camp • Miami • Mineral Park • Mission • Morenci • Pinto Valley • Ray • Resolution • Rosemont X San Manuel • Safford • San Manuel • Sierrita X Bisbee • Silver Bell • Tohono 3 Copper sulfide ore and copper oxide ore are processed in different ways. Exploration Mining Concentrating Sulfide Ore Copper Products Smelting To Customer Rod, Cake, and Cathode Oxide Ore Leaching Solvent Extraction Electrowinning Refining Copper Anodes to Texas Copper Product to Customer (Ray and Silver Bell) 4 Cathode Sulfide ore: Chalcopyrite & Bornite Chalcopyrite Chalcopyrite can be called copper fool’s gold. It is made of copper, iron, and sulfur. It is a brassy yellow, metallic mineral and it is very heavy. Chalcopyrite is not as hard as pyrite, which is called fool’s gold. Chalcopyrite will not scratch glass, but will scratch a copper penny. Pyrite will scratch glass. Chalcopyrite is also a brighter yellow than pyrite. It often tarnishes to a blue-green, iridescent color on weathered surfaces. Chalcopyrite is the main copper sulfide ore. Chalcocite Bornite is also known as Peacock Copper because of the blue-green tarnish. On freshly broken surfaces, it is Chalcocite is a sooty black, bronze colored. -
2008 Annual Report Freeport-Mcmoran Copper & Gold Inc
Core Assets FREEPORT-MCMORAN COPPER & GOLD INC. 2008 Annual Report Freeport-McMoRan Copper & Gold Inc. Freeport-McMoRan Copper & Gold Inc. (FCX) is a leading international mining company with headquarters in Phoenix, Arizona. FCX operates large, long-lived, geographically diverse assets with significant proven and probable reserves of copper, gold and molybdenum. FCX has a dynamic portfolio of operating, expansion and growth projects in the copper industry and is the world’s largest producer of molybdenum. The company’s portfolio of assets includes the Grasberg minerals district, which is the world’s largest copper and gold mine in terms of recoverable reserves; significant mining operations in the Americas, including the large-scale Morenci minerals district and the Sieritta and Bagdad mines in North America and the Cerro Verde, El Abra and Candelaria operations in South America; and the potentially world-class Tenke Fungurume development project in the Democratic Republic of Congo. Our common stock trades on the New York Stock Exchange under the symbol “FCX.” Summary Financial Highlights Years Ended December 31, 2008 2007 2006 2005 2004 (In Millions, Except Per Share Amounts) Revenues $ 17,796 $ 16,939 $ 5,791 $ 4,179 $ 2,372 Operating (loss) income (12,710)* 6,555 2,869 2,177 704 Operating cash flows 3,370 6,225 1,866 1,552 341 Capital expenditures 2,708 1,755 251 143 141 Net (loss) income applicable to common stock (11,341)* 2,769 1,396 935 157 Diluted net (loss) income per common share (29.72)* 7.50 6.63 4.67 0.85 Dividends paid per common share 1.81 1.25 4.75 2.50 1.10 At December 31: Cash and cash equivalents 872 1,626 907 764 552 Total assets 23,353 40,661 5,390 5,550 5,087 Total debt, including current portion and short-term borrowings 7,351 7,211 680 1,256 1,952 Total stockholders’ equity 5,773 18,234 2,445 1,843 1,164 *Includes charges totaling $17.7 billion ($13.2 billion to net loss or $34.47 per share) associated with asset impairment, lower of cost or market inventory adjustments, restructuring and other charges. -
Draba Weberi Price & Rollins
Draba weberi Price & Rollins (Weber’s draba): A Technical Conservation Assessment Prepared for the USDA Forest Service, Rocky Mountain Region, Species Conservation Project July 31, 2006 Karin Decker Colorado Natural Heritage Program Colorado State University Fort Collins, CO Peer Review Administered by Society for Conservation Biology Decker, K. (2006, July 31). Draba weberi Price & Rollins (Weber’s draba): a technical conservation assessment. [Online]. USDA Forest Service, Rocky Mountain Region. Available: http://www.fs.fed.us/r2/projects/scp/ assessments/drabaweberi.pdf [date of access]. ACKNOWLEDGMENTS I would like to thank the employees of Colorado Springs Utilities (Mike Herrin, Bruce Newell, and Kirsta Scherff-Norris) and Colorado Division of Water Resources (Mark Haynes) who responded quickly and openly to my inquiries about the upper Blue Lake Reservoir. USDA Forest Service personnel, including Steve Olson, Paul Semmer, Terry Edelmon, and Greg Laurie, were also extremely helpful in determining the status of Draba weberi and its environs. Dr. Michael Windham of the Utah Museum of Natural History provided helpful clarification of the status of the genus Draba. Bill Jennings provided photographs and records of his observations. Georgia Doyle and Ellen Mayo provided information from the most recent observations of D. weberi. Thanks also to David Anderson and Jill Handwerk of the Colorado Natural Heritage Program for assisting with the preparation of this assessment. AUTHOR’S BIOGRAPHY Karin Decker is an ecologist with the Colorado Natural Heritage Program (CNHP). She works with CNHP’s Ecology and Botany teams, providing ecological, statistical, GIS, and computing expertise for a variety of projects. She has worked with CNHP since 2000. -
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. -
Green Mountain Reservoir Substitution and Power Interference Agreements Final EA
Green Mountain Reservoir Substitution and Power Interference Agreements Final EA Table of Contents Acronyms...................................................................................................................................... vi 1.0 Purpose and Need .......................................................................................................... 1-1 1.1 Introduction.......................................................................................................... 1-1 1.2 Project Purpose and Need .................................................................................... 1-1 1.3 Study Area........................................................................................................... 1-2 1.4 Background.......................................................................................................... 1-2 1.4.1 Prior Appropriation System .....................................................................1-2 1.4.2 Reclamation and Green Mountain Reservoir...........................................1-2 1.4.3 Western Area Power Administration.......................................................1-4 1.4.4 Springs Utilities’ Collection Systems and Customers .............................1-4 1.4.5 Blue River Decree....................................................................................1-7 1.4.6 Substitution Year Operations...................................................................1-8 1.4.7 Substitution Memorandums of Agreement............................................1-10 -
Pima County, Arizona | Case Studies
FOR DISCUSSION PURPOSES ONLY DRAFT MULTI-STAKEHOLDER GROUP 06/10/2016 Pima County, Arizona | Case Studies Copper is a major industrial metal used in construction, electronics, transportation, industrial machinery, and consumer products. In 2014, the U.S. was the world’s fourth- largest copper producer, mining 1.13 million tons of copper worth approximately $9.7 billion.i Of the five major copper-producing states (Arizona, Utah, New Mexico, Nevada, and Montana), Arizona increased production the most in 2014; its copper output totaled 893,000 metric tons, representing 66% of the national total.ii Copper represented 89% of the value of mining in Arizona.iii If Arizona were a country, it would be the seventh largest copper producer in the world.iv Greenlee and Pima counties generated the majority of that production. Geology and history In Pima County, much like nearby Greenlee County, copper mining began in the 1870s. Mining activity in Pima County flourished in the late nineteenth century, particularly as the arrival of the Southern Pacific Railroad brought increased commerce and traffic to the region. The copper-mining industry followed a series of boom-and-bust cycles throughout the following decades, with particular spikes during the two world wars, when demand soared. Today, copper output in Pima County is driven by operations at three open-pit mines: Sierrita, Mission Complex, and Silver Bell. Production In 2014, the combined copper production from Pima County’s three major mines totaled 175,000 metric tons.v This output constituted 22% of national production for that year.vi Freeport-McMoRan Inc. manages the Sierrita mine, the top-producing operation in the county, while ASARCO LLC owns both the Mission Complex and Silver Bell mines. -
The Mineral Industry of Arizona in 2014
2014 Minerals Yearbook ARIZONA [ADVANCE RELEASE] U.S. Department of the Interior June 2019 U.S. Geological Survey EXPLANATION Gyp County producing only construction sand and gravel County producing both construction MOHAVE sand and gravel and crushed stone COCONINO County boundary ^ Capital city Nonfuel mineral commodity Ag Silver Au Gold Cu,Ag Lime Bent Bentonite DS IS Cem Cement plant Pum NA VAJO IS Clay Common clay and (or) shale Gem AP ACH E Cu Copper Cem Cem DS Dimension stone Gem Gemstones Cu,Au,Mo,Ag DS Gyp Gypsum IS Industrial sand YAVAP AI Lime Lime plant Bent Mo Molybdenum GILA Au,Ag Per Perlite LA PAZ MAR ICO PA Pum Pumice PHOENIX Salt ^ Gem GRE EN- Re Rhenium Gem LE E Salt Salt Clay Zeo Zeolites Cu,Ag Cu,Au, Gyp Cu Mo,Ag YUMA Gyp GRA HAM PINAL Zeo Cem Cu Zeo PIMA Cu Zeo Cu,Mo,Ag Cu,Mo,Re CO CHISE 0 30 60 MILES Per Base from U.S. Geological Survey digital data 0 30 60 KILOMETERS Albers Equal-Area Conic projection SAN TA CRU Z Figure 1. Map showing major nonfuel-mineral-producing areas in Arizona in 2014. Sources: Arizona Geological Survey and U.S. Geological Survey. The Mineral Industry of Arizona By Madan M. Singh This chapter has been prepared under a Memorandum of Understanding between the U.S. Geological Survey and the Arizona Geological Survey for collecting information on all nonfuel minerals. In 2014, in the State of Arizona (fig. 1), the value of nonfuel In 2014, the production quantity of construction sand and mineral production1 was $7.96 billion. -
Table of Contents (PDF)
GUIDEBOOK SERIES Volume 43 Climax and Henderson Porphyry Molybdenum Deposits and The Leadville District, Colorado Guidebook Prepared for the Society of Economic Geologists Field Trip September 26–28, 2018 Field Trip Leaders: Ralph J. Stegen, Tommy B. Thompson, and Eric Seedorff SOCIETY OF ECONOMIC GEOLOGISTS GUIDEBOOK SERIES OF THE SOCIETY OF ECONOMIC GEOLOGISTS, INC. Guidebook 43 Print ISSN 1547-3090 ISBN 978-1-629490-46-5 Online ISSN 2374-6955 ISBN 978-1-629494-80-7 Digital version (PDF) available from Society of Economic Geologists, Inc. Bookstore: www.segweb.org/store Tel. 1.720.981.7882 Fax: 1.720.981.7874 Publication date: September 2018 (Revised) CONTENTS Preface Ralph J. Stegen, Tommy B. Thompson, and Eric Seedorff . iii Road Log To the Henderson Mine . 1 To Climax, Colorado . 14 To Leadville, Colorado. 23 Climax Porphyry Molybdenum Deposit, Colorado: A Summary [Reprint] James R. Shannon, Eric P. Nelson, and Richard P. Smith. 37 An Abbreviated History of the Leadville Mining District, Colorado Tommy B. Thompson. 55 The Black Cloud Story [Reprint] Douglas M. Smith, Jr. .59 Post-Production History of the Black Cloud Mine, Leadville District, Colorado Tommy B. Thompson. .67 Geology and the Origin of Ore Deposits in the Leadville District, Colorado: Part I. Geologic Studies of Orebodies and Wall Rocks [Reprint] Tommy B. Thompson and Greg B. Arehart . 71* Geology and the Origin of Ore Deposits in the Leadville District, Colorado: Part II. Oxygen, Hydrogen, Carbon, Sulfur, and Lead Isotope Data and Development of a Genetic Model [Reprint] Tommy B. Thompson and David W. Beaty. 97* *Guidebook 43 page numbers (in the format Page XX) are included for convenience; original publication numbers have been retained in these papers as well.