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Igneous rocks are formed from the cooling and solidification of magma or lava. When magma or lava cools, it forms crystals that grow and interlock with each other, creating a solid rock. Igneous rocks can be further classified into two types: intrusive and extrusive. Intrusive igneous rocks cool slowly beneath the earth's surface, resulting in large crystals, while extrusive igneous rocks cool rapidly on the earth's surface, resulting in small crystals.
Metamorphic rocks are formed from pre-existing rocks that have been changed by heat, pressure, and/or chemical reactions. The process of metamorphism can cause the minerals within the original rock to recrystallize, reorganize, or change into new minerals altogether. Get instant, well-researched and cited essays and questions from proffrank01 at g m ail.con. You get an added advantage because you get answers on request. Sorry for this, but this is the only way to get through to help you. I understand the challenges that come with finding a reliable homework helper. Metamorphic rocks can be further classified into two types: foliated and non-foliated. Foliated metamorphic rocks have a layered or banded appearance due to the alignment of mineral grains, while non-foliated metamorphic rocks do not have a layered appearance.
Sedimentary rocks are formed from the accumulation and cementation of sediment. Sediment is made up of various materials, including rock fragments, minerals, and organic matter, that have been transported and deposited by water, wind, or ice. Over time, these sediments are compacted and cemented together to form a solid rock. Sedimentary rocks can be further classified into three types: clastic, chemical, and organic. Clastic sedimentary rocks are made up of broken fragments of pre-existing rocks, while chemical sedimentary rocks form from the precipitation of minerals from a solution. Organic sedimentary rocks form from the accumulation of organic matter, such as shells, plant debris, or fossils.
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