نتایج جستجو برای: mineral resource evaluation
تعداد نتایج: 1081073 فیلتر نتایج به سال:
Progress in understanding mineral evolution, Earth’s changing near-surface mineralogy through time, depends on the availability of detailed information on mineral localities of known ages and geologic settings. A comprehensive database including this information, employing the mindat.org web site as a platform, is now being implemented. This resource will incorporate software to correlate a ran...
the increasing reliance on information gathered from the web and other internet technologies raise the issue of trust. through the development of semantic web, one major difficulty is that, by its very nature, the semantic web is a large, uncensored system to which anyone may contribute. this raises the question of how much credence to give each resource. each user knows the trustworthiness of ...
Highlighting both the problems of composing and acquiring mineral rent, and the procedures and forms in which the rent is reflected in the price of mining products and energy resources are basic premises to emerge specific methodological elements of economic management of mineral resources. As our researches revealed, contractual duties represent one of these elements. Hence, the problem of new...
2. Secondary mineral deficiencies are by far the most common of the two. Secondary deficiencies are derived from the consumption of one or more mineral antagonists that interfere with the normal metabolism of another mineral. A simple mineral evaluation of a feedstuff may suggest that adequate trace mineral concentrations are present; however, the presence of a mineral antagonist will decrease ...
We study the economic implications of mineral resource activity for non-mining regions at grid-level across African continent. find that capital cities benefit from anywhere in country. Leaders’ birth also benefit, but only autocratic regimes. Generic regions, on other hand, are worse off. These results suggest regional redistribution rents Africa is primarily undertaken to and leaders’ regions...
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