Sentences with phrase «unconsolidated rock»
Much of the countries mineral wealth is still hidden under a thick cover of unconsolidated rock and soil, sediments and igneous rocks.
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silt unconsolidated or loose sedimentary material whose constituent rock particles are finer than grains of sand and larger than clay particles
Oil sands and oil shale - Unconsolidated porous sands, sandstone rock and shales containing bituminous material that can be mined and converted to a liquid fuel.