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Bauxite ore is first processed to produce alumina, which is then smelted to produce pure aluminium metal. Bauxite mining and processing are damaging to the environment.
rock, bauxite, alumina, aluminum, mining, nature, geography, clip, mozaClip
Granite, one of the hardest rocks on Earth, is believed to have been formed during the Paleozoic Era. This granular igneous rock is often used in the...
It is a sedimentary rock with high calcium carbonate content.
It is a sedimentary rock made up of loosely structured, rough grains of rock.
Solidifying volcanic ash can form rhyolitic tuff outcrops which are wonderful lunar-like landscapes.