Respuesta :
Rocks are classified as igneous, sedimentary, or metamorphosed based on their mineral and chemical composition.
When molten rock (magma) cools and solidifies, either with or without crystallisation, igneous rocks are created. The Latin word ignis, which means "fire," is where the word "igneous" comes from.
Three basic processes result in the deposition of sedimentary rocks at or near the Earth's surface: (a) the deposition of weathered fragments of other rocks (referred to as "clastic" sedimentary rocks); (b) the deposition of the products of biogenic activity; and (c) precipitation from solution. Compaction of the particle debris and cementation come after these procedures.
The process of metamorphism, which transforms one type of pre-existing rock, the protolith, yields metamorphic rock. The Greek words meta, which means "after," and morphe, which means "shape," combine to make the word metamorphism, which means "change in form."
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