| Popis: |
Mineral resources are the material basis of national economic construction and people's living standards, In China more than 80% of the energy and industrial raw materials from the mineral resources, and its total ranked third in the world, while the per capita amount is less than half the world average, and is very resource scarce countries. Its reserves of mineral resources are limited, supply is limited, is a non-renewable resource. With the continuous development and utilization constantly dropped, it has exhaustible. Under certain technical conditions, continued exploitation of resources of a mineral resource reserves will gradually approaches zero. In other words, when the abundance of minerals continue to reduce, development costs continue to rise, so that the quantity demanded tends to zero, the state reached exhaustion. |
