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Rocks - classification essayAll planets separated from a p atomic number 18nt body as desirous globes rotating in the space , includingour Earth . With time , this burning magma cooled down . As the process of engine cooling system proceeded , thesurface of Earth was shared in twain parts , vote out and water . The land portion consisted of the crustof earth , which is known as shivers . There are three types of gemstones- Igneous , Sedimentary andMetamorphosis persuadesIgneous rocks are the first class of rocks . They were create as a direct result of cooling of p the magma , and involved a change in the offer of matter from liquid to solid . The texture and thecomposition are the two basic determining factors for fervid rocks Granite is a classic exampleof igneous rocks . It consists of coarse granular structure , which can be seen with bare-assed eyesTechnically these are Phaneritic igneous rocksThe second type Sedimentary rocks . These rocks are organize by the natural process of layersBeing deposited on the cowcatcher rocks , mostly igneous . A thin veneer of eject sediments is make on the surface , and as time passes they by they swallow cemented together . Many times , thistype of rocks are also formed by joining of small pieces of large broken rock . A sea shore is oneof the examples of a sedimentary rock .

Here , natural forces which help in continuous depositionof sediments are very activeThe third type is Metamorphic rock . This hold is derived from `meta , meaning change and`morph meaning form . It is formed when a rock faces great environmental changes related totemperature and jam . Mostly , buried dead bodies contribute to these changes . These changescause the minerals in the rock to loose their equilibrium and the rock is reformed as an apparent movement torestore that equilibrium . Slate is an example of metamorphic rock . This is formed when shale , asedimentary rock is subjected to variation in temperature and pressureThese are the three basic classification of rocks . All rocks are a result of current naturalprocess , with little human interventionReferencesWhat are the three basic types of rocks , Retrieved on 12 November 2007 from...If you want to get a full essay, roll it on our website: Ordercustompaper.com

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