PHYSICAL RESOURCES AND THE DEVELOPMENT OF AFGHANISTAN
Tags: MINES & mineral resources; GEOLOGY, Economic; HYDROCARBONS; METALLOGENY
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- �Largest Mineral Deposits of the World� Navigasig CD-ROM: a Synthesis on Metallogeny of Large and Superlarge Mineral Deposits. Tkachev, Andrey; Cherkasov, Sergey; Cassard, Daniel // AIP Conference Proceedings;5/7/2008, Vol. 1009 Issue 1, p28
�Largest Mineral Deposits of the World� NavigaSIG CD-ROM is a new original synthesis on metallogeny which contains both a viewer system allowing to combine several informational layers with metallogenic data and some analytical results (tables, charts) providing initial information on...
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Dispersed elements do not always occur as associated elements in the ore deposits of other elements. Instead, they can constitute independent ore deposits. The focus of this paper is placed on the mechanism of super-enrichment of the four dispersed elements Tl, Ge, Se, and Te under favorable...
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The tendencies characterizing worsening of natural, mining and technical, as well as mining and geological conditions of deposit mining are analyzed for the last 100 years. The change in prices for mineral raw material is shown, and the influence exerted by scientific and technical progress in...
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The authors analyzed various criteria that are used in different classifications of mining methods and systems. It is shown that today�s complex geomechanical situation of mining at large depths and wide application of mobile machinery to mineral exploitation has brought to nothing the...
- Investigation of the Rheological Properties of Dense Clayey Soils. Isakhanov, E. A. // Soil Mechanics & Foundation Engineering;Sep2000, Vol. 37 Issue 5, p145
Results of experimental investigations are presented for rheological state equations of clayey soils in an axisymmetric stress state induced by two loading regimes. An approximation of rheological equations for shear and dilatational strains is given.
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We present software tools and methods applicable to the geological modelling of sparse spatial and structural data within a 3-D digital environment. Free-form surfaces derived from section-style control frames and constrained by field-based structural measurements are employed aspartially...
- Influence of biochemical quality on C and N mineralisation from a broad variety of plant materials in soil. Jensen, Lars; Salo, Tapio; Palmason, Fridrik; Breland, Tor; Henriksen, Trond; Stenberg, Bo; Pedersen, Anders; Lundstr�m, Christina; Esala, Martti // Plant & Soil;Jun2005, Vol. 273 Issue 1/2, p307
We studied C and N mineralisation patterns from a large number of plant materials (76 samples, covering 37 species and several plant parts), and quantified how these patterns related to biological origin and selected indicators of chemical composition. We determined C and N contents of whole...
- The'mining boom'myth. Davidson, Sinclair // Institute of Public Affairs Review;Nov2008, Vol. 60 Issue 5, p30
The article focuses on the end of the mining boom in Australia. Australia has been a wealthy economy and mining has played an important role in the creation of wealth. By claiming that the end of the mining boom creates a need for more research and development, which the government indicates...
