Time Required in Developing Selected Arizona Copper Mines
Author : Lorraine B. Burgin
Publisher :
Page : 152 pages
File Size : 42,52 MB
Release : 1976
Category : Copper mines and mining
ISBN :
Author : Lorraine B. Burgin
Publisher :
Page : 152 pages
File Size : 42,52 MB
Release : 1976
Category : Copper mines and mining
ISBN :
Author :
Publisher :
Page : 280 pages
File Size : 24,11 MB
Release : 1979
Category : Mineral industries
ISBN :
Author : G. Wagenhals
Publisher : Springer Science & Business Media
Page : 204 pages
File Size : 40,69 MB
Release : 2012-12-06
Category : Business & Economics
ISBN : 3642455859
1.1 The Importance of Copper Copper, the red metal, has been known in histor~ for thousands of ~ears. It ma~ have been mankind's first metal (Joralemon= 1973). And still, probabl~ more than one hundred decades after native copper was used for the first time (Muhl~ (1973: 171», toda~, copper is a ver~ important commodit~: 1. Onl~ aluminum (first in 1963) surpasses refined copper in terms of the total 1 world's mine production and consumption. It outpaces zinc, lead, nickel and tin • 2. Refined copper is one of the most important export products of the developing countries. In 1975, refined copper ranked 8th in the developing countries' export values in general, it was 6th among their non-fuel exports, and their most important export 2 commodit~ among the non-ferrous metals • 3. Man~ small and medium sized industrialized countries depend heavil~ on copper imports. For example, West German~'s share in world mine production has alwa~s been smaller than 0.1 per cent. In the last few decades, however, the Federal Republic's consumption share has amounted to some 8 i. in 1982. 4. Copper is of utmost importance for the export earnings of several countries.
Author : Edward George Davis
Publisher :
Page : 28 pages
File Size : 14,97 MB
Release : 1988
Category : Copper ores
ISBN :
Author :
Publisher :
Page : 1194 pages
File Size : 13,92 MB
Release : 1976
Category : Government publications
ISBN :
Author : United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Mining and Natural Resources
Publisher :
Page : 1004 pages
File Size : 27,69 MB
Release : 1991
Category : Government publications
ISBN :
Author : United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Mining and Natural Resources
Publisher :
Page : 1408 pages
File Size : 36,49 MB
Release : 1992
Category : Government publications
ISBN :
Author : B. W. Jong
Publisher :
Page : 640 pages
File Size : 50,72 MB
Release : 1980
Category : Abandoned coal mines
ISBN :
Author :
Publisher :
Page : 338 pages
File Size : 47,35 MB
Release : 1980
Category : Mineral industries
ISBN :
Author : Thomas M. Barczak
Publisher :
Page : 746 pages
File Size : 23,51 MB
Release : 1987
Category : Longwall mining
ISBN :