Oct 22, · The Importance of Rock Cycle. One of the most important substances found on earth is rocks. There are different types of rocks and each one can be used to serve different kinds of purposes. Rocks can be used as a building material, to build tools, to enhance the beauty and utility of homes, and even to clean surfaces Advertising We'll write a high-quality original custom paper on The rock cycle just for you with a 15% discount for the 1st order Use a Discount Use a Discount We'll write a high-quality original custom paper on The rock cycle just for you with a 15% Essays Related to The Rock Cycle. 1. Water Cycle and Rock Cycle. The water cycle and the rock cycle are interrelated since they are both important factors to our earth. They also interrelate because the rock cycle needs part of the water cycle during erosion and weathering
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Due to the driving forces of the rock cycle, plate tectonics and the water cycle, rocks are forced to change as they encounter new environments as they do not remain in equilibrium. Weathering should not be confused with erosion, which involves the movement of rocks and minerals by agents such as water, ice, wind and gravity. There are three types of weathering: physical, chemical and biological. Physical weathering involves the breakdown of rocks and soils through direct contact with atmospheric conditions such as heat, water ice and pressure. Chemical weathering involves rain water combining with mineral grains in rocks to form new minerals. Living organisms such as trees, bacteria, and animals contribute to biological weathering.
Erosion Erosion is the removal of soil and rock particles. It usually occurs due to transport by wind, water or ice, rock cycle essay. Deposition of sediment, rock cycle essay. Deposition is the laying down of sediment carried by wind, water, or ice. Deposition occurs when the forces responsible rock cycle essay sediment transportation are no longer sufficient to overcome the forces of particle weight and friction which resist motion. Burial and compaction: Layers of sediments are piled one upon another, so the weight of the layers compacts the sediment grains. Sedimentary rock Sedimentary rocks are those formed by other pieces existing rocks, bones or other formerly living things.
Rocks are weathered and eroded to smaller units, then transported and deposited along with other pieces of rock called sediments, rock cycle essay. With the weight and pressure of thousands of feet of sediments above them, rock cycle essay, sediments are cemented together and compacted and hardened over time. Sedimentary rocks rock cycle essay important as they contain information about the history of Earth, rock cycle essay. The composition sediments have clues of the original rock. Unlike igneous and metamorphic rocks, sedimentary rocks can contain fossils as they form at pressures which do not destroy fossil remains.
Sedimentary rocks are formed in three main ways: by deposition of weathered remains of other rocks — this is known as clastic sedimentary rocks, by the disposition of the results of biogenic activity and by precipitation from solution. Clastic Clastic sedimentary rocks are made from fragments of materials of other minerals. Rocks such as sandstone were formed from rocks which were broken down into clasts by weathering, which were then transported elsewhere. The classification of clastic sedimentary rocks involve many variables such as particle size, rock cycle essay of particles, the cement and the matrix must be taken into consideration. The breakdown of rock into particles without producing changes in the chemical composition of the minerals in the rock is known as mechanical weathering.
The process of chemical weathering is the breakdown of rock by chemical reaction where the minerals within the rock are altered into smaller particles rock cycle essay are easier to be carried away. Biogenic Biogenic sedimentary rocks rock cycle essay the process where living organism extract ions dissolved in water to make such things as shells and bones. Biogenic sedimentary rocks include corals and foraminifera which cover the ocean floor with layers of calcite which then form limestone. Precipitate When mineral solutions such rock cycle essay sea water, evaporate precipitate sedimentary rocks form. Halite and gypsum are such rocks. Deformation and metamorphism Deformation describes the processes by which rocks are folded and faulted.
Tension occurs when tectonic plates are pulled apart and the crust becomes thinner, rock cycle essay. Compression take places as tectonic plates are pushed together and the crust becomes shorter and thicker. Metamorphic rocks have their appearance altered due to extreme pressure and heat. Metamorphic rock Metamorphic rocks are the result of the transformation of a pre-existing rock type, the protolith, in a process called metamorphism. The protolith may be a sedimentary rock, igneous rock or another older rock cycle essay rock. These rocks are formed by the intrusion of magma, into solid rock and form at the place of contact between magma and solid rock where temperature is high. Sedimentary rocks can become metamorphic rocks if the thousands of feet of sediments above them can apply enough heat and pressure.
Metamorphic minerals form at high temperatures and pressures only, associated with the process of metamorphism. Examples of such minerals are sillimanite and kyanite. The change of the size of rock particle during metamorphism is called recrystallisation. Foliated and non-foliated There are two basic types of metamorphic rocks: foliated and non-foliated. Foliated rocks are those such as schist and slate that have a layered or banded appearance that is formed by direct pressure and heat. Non-foliated rocks are those such as marble which do not have a layered appearance.
Crystallization of magma: To form magma from the melting of a solid rock is controlled by: temperature, pressure and composition, these factors control the viscosity of the magma. Igneous Rock All igneous rocks start out as melted rock, then crystallize or freeze. Igneous rocks are formed either above ground or underground, rock cycle essay, and originated from cooling and solidification of molten rock. Igneous rocks form in two different environments, which are intrusive and extrusive. Intrusive When underground, rock cycle essay, then molten rock is called magma.
The magma becomes intrusive igneous rocks when the magma cools underground. Examples of such rocks are gabbro and granite, rock cycle essay. Examples of such rocks are basalt and dacite. This work "The rock cycle" was written and submitted voluntarily by your fellow student. You can use this sample for research and reference purposes to help create your own paper. The use of any parts of the work without proper citation is forbidden. The rock cycle. If you have any idea how best to write about The rock cycle, please contact us immediately. We would like to know more: [email protected]. Essay, 4 pages 1, rock cycle essay, words.
Rock cycle essay PDF DOCX. Subject: Others. Add to Library Added to Library Add to Library Remove. Published: April 15, Updated: April 15, Language: English Downloads: Deposition of sediment Deposition is the laying down of sediment carried by wind, water, or ice. I found this helpful I found this helpful This is not helpful This is not helpful, rock cycle essay. Your votes help us become better! Share to Facebook Share to Twitter Share to Reddit Share to LinkedIn. Request Removal. Cite this Essay Harvard APA-6 Chicago A-D Chicago N-B MLA-8 References NerdySeal. Reference NerdySeal. References NerdySeal. Bibliography NerdySeal. Work Cited "The rock cycle.
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Advertising We'll write a high-quality original custom paper on The rock cycle just for you with a 15% discount for the 1st order Use a Discount Use a Discount We'll write a high-quality original custom paper on The rock cycle just for you with a 15% Introduction. Sedimentary, igneous and metamorphic processes describe the fundamental concept known as the rock cycle. Equilibrium conditioning predisposes the three types of rocks to tectonic forces that lead to the altering or destruction. The rock cycle is mainly determined by two major factors; namely plate tectonics and cycle of water Definition of the Rock Cycle. The process of dynamic transitions among the main rock types is called in geology the rock cycle. Being the main concept in geology, rock cycle illustrates how rock types such as igneous, sedimentary, and metamorphic are connected with one another and how the involved processes change with the flow of time
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