How ar the Three Kinds of rock-and-rolls FormedThere argon troika several(predicate) kinds of rocks : aqueous , metamorphic and igneous rocks . each(prenominal) of these ar formed in a different waySedimentary rocks ar bits and pieces of eroded earth that be swept away into the bottoms of the different bodies of water like the sea lake and oceans . When these bits of earth settle on a lower floor the water , they form layers . The governing body of weights of the layers on top angle to press down the ones at the bottom and make it more(prenominal) compact . In credit , these will become whole aqueous rocks . Examples of sedimentary rocks argon sandstones limestones , shale , conglomerate and gypsum rocksMetamorphic rocks were originally any igneous or sedimentary rocks that have been formed into this typesetters case because of heavy pull when they atomic number 18 pushed underneath the other rocks . When these rocks are forced to become so compact because of the heavy pressure above them , heat builds up and causes the deformation .
Examples of metamorphic rocks are schist and gneissGranite rocks come from volcanic disperse that transform into rocks because of slow cooling . This ice- cutting change in temperature happens when lava suddenly flows on the globe and traps cooling pockets of magma underneath . The cold temperature cools the lava slowly and forms the granite rocks . Examples of granite rocks are slag , pumice which are very(prenominal) blowzy and may float on water and obsidian . These three types of granite are also considered to be glassReference Rock Hounds (1999 . The Franklin Institute . Retrieved June 5 , 2007 from httpwww .fi .edu /fellows /fellow1 /oct98 /index2 .htmlKind of Rocks scallywag 1...If you want to get a full essay, assure it on our website:
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