Buy Minerals & Rocks - Rocks at Earth Deposits
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Minerals & Rocks - RocksRocks make up the matter which constitutes the Earths crust. Rocks consist
of masses or aggregates of one or more minerals and other non crystalline
material. By crystallization from a molten mass of liquid rock magma (lava at the earths surface), forming igneous deposits. From accumulations of minerals, rocks and fossil fragments at the Earths surface, creating sedimentary deposits and, in the recrystallization of rocks in the solid state, caused through Earth crustal movements and high temperatures (though not melting), known as metamorphic deposits. Formations of rocks can be mapped to give us clear indications about the Earths surface structure, history and composition. There are currently no products available in this category. |