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Hanin Shokri Inglês 4,0Avaliação média 4,0 de 5 (1 avaliação) 10 flashcards

Flashcards do conjunto (10)

1what are the mining methods?1.opencut
2. underground mining
3.dredging
4. leach mining
2what are mineral resourcez?minerals that are dug up and used
3what is a mineral ?a naturally occurring solid substance that is inorganic has a characteristic crystalline structure and a fairly constant chemical composition
4whats a ore mineral?a valuable mineral found in rocks
5how are minerals formed?Lava is on the Earth's surface so it cools quickly compared to magma in Earth. As a result, rocks form quickly and mineral crystals are very small. Rhyolite is one type of rock that is formed when lava cools. It contains similar minerals to granite.
6what is rehabilitation?the action of restoring something that has been damaged to its former condition.
7whats processingperform a series of mechanical or chemical operations on (something) in order to change or preserve it.
8what are mineral resourcesminerals that are dug up and used
9whats a ore minerala valuable mineral found in rocks
10what are hydrothermal fluidsHydrothermal fluids are natural heated water solutions wherein variety of elements, compounds and gases may be dissolved. They are generated by diverse crustal and mantle geological processes including basinal fluid interaction, magmatic differentiation and mantle degassing.