3 edition of nature and use of copper reserve and resource data found in the catalog.
nature and use of copper reserve and resource data
Cox, Dennis P.
by U.S. Govt. Print. Off., for sale by the Supt. of Docs., U.S. Govt. Print. Off. in Washington
Written in English
Bibliography: p. 19-20.
|Statement||by Dennis P. Cox, Nancy A. Wright, and George J. Coakley.|
|Series||Geology and resources of copper deposits, Geological Survey professional paper ; 907-F, Geological Survey professional paper ;, 907-F.|
|Contributions||Wright, Nancy A., joint author., Coakley, George J., joint author.|
|LC Classifications||TN443.A5 C69|
|The Physical Object|
|Pagination||v, 20 p. :|
|Number of Pages||20|
|LC Control Number||80607780|
Many compilations of copper data resources suffer from combining data from multiple sources without checking for alternative names of the same deposit, mine or project and consequently they double count some resources (e.g. Mudd et al. ()). Critical to providing confidence in the data gathered for this study was the requirement that the. Use of copper and copper alloys products in the U.S. by purpose Distribution of U.S. copper imports by country of origin Employment in U.S. copper mines and mills
Search the world's most comprehensive index of full-text books. My library. Copper is the oldest metal used by man. It’s use dates back to prehistoric times. Copper has been mined for more t years with a Copper pendant found in current day Iraq being dated to BC. By BC Copper was being smelted from simple Copper Oxides.
National Resources Inventory A statistical survey of land use and natural resource conditions and trends on U.S. non-Federal lands. The National Resources Inventory (NRI) program collects and produces scientifically credible information on the status, condition, and trends of land, soil, water, and related resources on the Nation’s non-federal lands in support of efforts to protect, . Total natural resources rents (% of GDP) Estimates based on sources and methods described in "The Changing Wealth of Nations: Measuring Sustainable Development in the New Millennium" (World Bank, ).
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Abstract. Copper reserve, resource, and production data can be combined to produce disaggregated resource estimates and trends and, when combined with demand forecasts, can be used to predict future exploration and development requirements.
Reserve estimates are subject to uncertainties due mainly to incomplete exploration and rapidly changing. THE NATURE AND USE OF COPPER RESERVE AND RESOURCE DATA F3 Mines. CRIB is a computer file that contains location, exploration, mineralizatipn, deposit-description, and geological and mineralogical information on many min eralized by: 5.
Softcover. Item # A discussion of the use and limitations of copper resource data for production estimates, trends, and forecasts.
20 pages with graphs, tables and references. Bound in original illustrated gray and black stiff paper covers. Nature and use of copper reserve and resource data (OCoLC) Material Type: Government publication, National government publication: Document Type: Book: All Authors / Contributors: Dennis P Cox; Nancy A Wright; George J Coakley; Geological Survey (U.S.).
Nature and use of copper reserve and resource data (DLC) (OCoLC) Material Type: Document, Government publication, National government publication, Internet resource: Document Type: Internet Resource, Computer File: All Authors / Contributors: Dennis P Cox; George J Coakley; Nancy A Wright; Geological Survey (U.S.).
copper resources might be located, USGS scientists study how and where. known. copper resources are concentrated in the Earth’s crust and use that knowledge to assess the potential for undiscovered copper resources.
Techniques to assess mineral resource potential have been developed and refined by the USGS to support the. Copper is naturally present in the Earth’s crust, at a concentration of about 67 parts per million. While most mines operate with copper concentrations of between and %, some of the richest ore bodies, located in central to southern Africa, can contain 5 – 6% copper.
According to the US Geological Survey, sincereports have regularly shown that there have always. Copper Reserves andReserves and Resources U.S. Department of the Interior U.S. Geological Survey Dan Edelstein USGS Reserves/Resource Definitions Resource: a concentration of naturally occurring solid, liquid or gaseous material in/on the Earth’s crust in such form and amount that economic extraction of a.
Resource/ Reserve Estimates ¾Reliability of geological interpretation ¾Amount, distribution and quality of resource data ¾In “nuggety” deposits, treatment of very high grades ¾Assumptions regarding mining and treatment methods ¾Assumptions regarding commodity prices and exchange rates ¾Experience and judgment of Competent Person.
Copper is usually found in nature in association with sulfur. Pure copper metal is generally produced from a multistage process, beginning with the mining and concentrating of low-grade ores containing copper sulfide minerals, and followed by smelting and electrolytic refining to produce a pure copper cathode.
Sincebased on the then current rate of demand, there has always been, on average, 40 years of reserves, and significantly greater amounts of known resources (USGS data). In addition, recycling, innovation and mining exploration continue to contribute to the long-term availability of copper.
The resources within the database contain some 3, million tonnes (Mt) of Cu, up from the 1, Mt reported in our study, plus we report Mt of Cu contained in reserves (included in resources). This is a significant increase, even if all noncode-based resources were removed (i.e., 2, Mt Cu in code-based projects).
use of copper for leg ulcers related to varicose veins. Pliny the Elder, A.D. 23 to 79, used copper oxide with honey to treat intestinal worms. The Aztecs gargled with a mixture containing copper to treat sore throats.
Recent independent laboratory testing led the EPA to register copper alloys for their inherent ability to kill %. According to the latest data (USGS, ), known reserves of copper are around million tonnes. Resources are much higher and short term supply limitations, which often result in upward price trends, act as a spur to the exploration of new deposits.
A Mineral Reserve is the economically mineable part of a Measured or Indicated Mineral Resource demonstrated by at least a Preliminary Feasibility Study.
This Study must include adequate information on mining, processing, metallurgical, economic, and other relevant factors that demonstrate, at the time of reporting, that economic extraction can.
According to USGS data, since there has always been, on average, 40 years of copper reserves and over years of resources left, which include reserves, discovered and potentially profitable deposits and undiscovered deposits predicted based on preliminary geological surveys.
INNOVATION IN COPPER RECYCLING AND MINING. Copper - the World's Most Reusable Resource. For nearly 5, years, copper was the only metal known to man. Today, it's one of the most used and reused of our "modern" metals.
Look closely at the next penny you see and consider these bright facts about copper: The copper on that penny maybe as old as the pharaohs, because copper has an.
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Uses of Copper. Native copper was probably one of the early metals worked by ancient people. Nuggets of the metal could be found in streams in a few areas, and its properties allowed it to be easily worked without a required processing step.
Today most copper is produced from sulfide ores. Copper is an excellent conductor of electricity. Copper can be found as a pure metal in nature and has a high thermal and electrical conductivity.
Copper compounds are generally found as copper (II) salts. How does Copper Enter Surface Water. Copper is commonly found in aquatic systems as a result of both natural and anthropogenic sources.
Copper is a base metal like nickel, zinc, aluminum, lead, etc., and is indispensable for many global copper production from mines amounted to an estimated 21 million metric tons.Assessment of undiscovered copper resources of the world, The U.S.
Geological Survey completed the first-ever global assessment of undiscovered copper resources for the two most significant sources of global copper supply: porphyry copper deposits and sediment-hosted stratabound copper deposits.The U.S.
Geological Survey (USGS) Mineral Resources Data System catalogs information about mineral resources around the United States and the world. Using the map tool, users can zoom in to obtain reports and data on past and present mines, mine prospects, and processing plants.
All of the data can be downloaded for further use and analysis.