About this document
Understanding Rock Types and Formation by Ernest Niñalga is a document available to read on EtoBox.
Rocks are naturally occurring aggregates of minerals or organic matter found in the lithosphere. There are three main types of rocks: igneous, sedimentary, and metamorphic. Igneous rocks form from the cooling of magma or lava. Sedimentary rocks form through the lithification of sediments. Metamorphic rocks form when existing rocks are altered by heat, pressure, and chemical activity. The rock cycle describes how rocks continuously change between these three types through geological processes at or below Ear
- Author
- Ernest Niñalga
- Language
- EN