Assessing Afghanistan's mineral resources
نویسندگان
چکیده
منابع مشابه
Mineral resources and geo-engineering
Metals used in everyday life are produced from ores occurring in the Earth’s crust. Geological processes are known to concentrate minerals to form ores of economic value. Mineral processing engineers concentrate these ores by mechanical and physico-chemical methods while the extractive metallurgist extracts the metals by chemical means.
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Anyone with the technological know-how can publish anything on the Internet. It is unregulated, unedited, and unmonitored. The burden is on the reader to assess the value and validity of the material presented. Therefore, it is important for students and faculty alike to have techniques for evaluating web pages. The links below offer evaluation criteria, guidelines, and tutorials for assessing ...
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Economists inside and outside of the Austrian-school tradition have formulated a subjectivist theory of mineral resources. While von Mises (1940) presented a rudimentary theory, institutionalist Zimmermann (1933 and after) provided an indepth mind-centered approach distinct from the objective, neoclassical theory for minerals developed by Jevons (1865, 1866), Gray (1913), and Hotelling (1931). ...
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ژورنال
عنوان ژورنال: Eos, Transactions American Geophysical Union
سال: 2007
ISSN: 0096-3941
DOI: 10.1029/2007eo490005