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英国论文代写范文精选-About geology

2016-05-31 | 来源:51due教员组 | 类别:更多范文

51Due英国论文代写网精选assignment代写范文:“About geology,这篇论文讨论了地质学。地质学的研究对象为地球的固体硬壳---地壳或岩石圈,主要研究地球的物质组成、内部构造、外部特征、各层圈之间的相互作用和演变历史。地质学观察和研究的对象也越来越广,逐渐开始对太空的其他行星进行研究。

Geology is an overview and basic knowledge of geology, an overview of the basic theory, but it is not a branch of geology, geology introductory tool.

Its main contents include the basic knowledge of earth, external motive power of the development of Geology and evolution, etc. With the development of science and technology and its contents and some change, it will be fully absorbed by other science and technology and new, keep improving the subject.

Geology of the research object of is the earth The earth including solid earth and its external atmosphere The solid earth including the outer layer of the earth's crust and mantle and the core of the three main layer laps At present the main research solid crust of the upper level, that is the upper part of the crust and mantle.

Geology mainly is to explore the earth's origin, material know the composition and distribution, surface morphology, internal structure characteristics and genetic mechanism, movement rules, dynamic action process and characteristics of time and space.The earth surface of lithosphere is the main geological research object directly.

Geology outstanding character and the connecting link between the preceding and the history of change, at the same time use of modern technology and space technology experiment and observation, fully understand and simulate the typical geological process of dynamic process, to accurately predict the global evolution, and the future trend of the state development. Here's an important influence on prospecting, energy, remote sensing, environment, materials, engineering.

Geology is divided into MineralogyMineral deposit geologyPetrology sequence and paleontologyTectonic geologyGeochemicalGeophysicaletc.Petrology is the study of material constituentscomposition structureformation conditionsdistribution regularlyFormation reasonsmetallogenic relationshipThe evolution of the rock history and evolution of subject. Divided into sedimentary rocks, volcanic rock and metamorphic rocks three categories.

Igneous rock is formed by the consolidation of magma rocks condensation. Usually it divided into intrusive rocks and extrusive rocks. The consolidation of the rock formation lava condensation at different depths. According to the formation depth, which can be further divided into plutonic and hypabyssal rocks. Extrusive rock: magma from the volcano channels extrude surface formed the rock.

Sedimentary rock is on the surface is not very deep place, the other rock weathering products and some of the volcano, with water or ice transport, deposition, into the rock formed by the action of rock. Sedimentary rock mainly includes limestone, sandstone, shale, etc.Metamorphic rock is to point to by the earth inner strength and transforming into the new rock. Solid rock under e effect of in the earth's interior pressure and temperature the material composition, Formed constituents migrate and recrystallization.

Mineralogy is the study of the chemical composition of minerals, internal structure, morphology, nature, origin, occurrence, assemblages, Formation conditions, purpose, and their inter-relationship.

Mineral is natural the output of the elemental or compoundsis also composed of the basic unit of rock and ore. Mineralogy is petrology, the foundation of mineral deposit geology and geochemistry, and the chemical are closely related.

Geochemistry is the study of the earth's layers and various geologic body chemical compositions, chemistry, and the chemical evolution, discussing the chemical elements and isotopes of distribution, existence form, assemblages, concentration and dispersion and migration cycle rules, the geological effect and left acting as the main research object discipline and the following branch.

Structural geology is the study of the earth's Lithosphere Tectonic Deformation, including the breakage, folds and other various structural features and distribution of different types of tectonic units, formation, evolution and development. On the whole study of geological structure in time and space of the development and laws of solid and the dynamical origin of the subject. Tectonic also belongs to the category of structural geology.

Geophysics is the study of geophysical field and the physical properties of the earth, morphological structure and the physical process of discipline. The earth physics is an between physics, geology, atmospheric science, ocean science and astronomy of between edge discipline.

Geophysics in the narrow sense of a solid part of the earth, also known as the solid earth physicsIn the broadest sense of the physics of the earth including hydrosphere, atmosphere of research.

Historical geology paleontology in two subjects, namely, paleontology and historical geology. Ancient biology is the study of the history of biology appearance and development of the discipline, the research object is the period of geologic formation and formation in biological body, relics and life activities related to various physical records.

The known history of geology is the study of the earth's historical development and the development of science, the research object is mainly for the geologic history of formation and development of earth history of other substance records. Paleontology and research content or whether to historical task, or they are in geological science status and the function, both are cross each other and closely linked.

Geological process, it is to because by some energy role, and cause the earth's crust, crystal structure material composition, surface morphology and the constant change and formation action. The geological divided into the geological effect of internal force and external geological two kind of role.

According to the way of external force, the different points weathering, erosion, transportation function, deposition and consolidation digenesis. Weathering includes physical weathering, chemical weathering and biological weathering. Eroding includes mechanical weathering chemical weathering.

Transport function, includes mechanical handling and transportation of two kinds of chemical. Deposition includes mechanical deposition, chemical deposition and the biological sedimentary three categories.

Internal force is they do occur in the surface, occurs in the interior of the earth. Sometimes they exercise strongly, such as earthquake; Sometimes slowly, such as crustal movement.The geological energy is what produced the energy of the geological processes.

The energy from interior of the earth is called Internal energy, mainly includes Inner energy, gravitational energy, earth rotation energy, chemical energy and crystals. The energy from outer of the earth is called external energy, mainly includes solar radiant heat, potential energy, tidal energy and biological energy.

Geological action will bring harm, such as earthquake, volcano erupts, floods etc. The human inability to change the geologic action rules, but can understand and apply these rules, so that is conducive to human development, nip in the bud, such as forecast, prevention of geological disasters, it may mitigate the loss.

Geological phenomenon refers to the geological phenomenon of change.Geological phenomenon, rock fall,landslide and debris flow, karsts, rock pile, soft soil, expansive soil, collapsible loess, soil, water disaster.

Geology is a comprehensive discipline.Development trend of science is a branch to comprehensive;many important scientific problems can be solved only through comprehensive research.Geology is also undergoing this process.

In a global perspective,Plate tectonics is The important embodiment of the trend which put the materials research,crust and the whole earth structure research,the earth history research as a whole.Geology can observe and the area of study and field will widen.

In the space,not only through the direct or indirect method gradually into the lithosphere deep, and to the moon,part of the solar system planets and some of the geological characteristics of satellite,will have more understanding.

地质学现在已经成为了人类科学不可缺少的一部分,它对保障人类生存环境也有很大的帮助。

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