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CSIR NET EXAM » CSIR UGC-NET Exam Study Materials » Earth Sciences » Small Thread on Geology
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Small Thread on Geology

The research of sedimentary, igneous, and metamorphic rocks, as well as the mechanisms which generate as well as modify these types of rocks, is referred to as petrology. The examination of the chemistry, crystalline structure, and physical characteristics of the mineral components that make up rocks is referred to as mineralogy.

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Petrological as well as mineralogical operations are susceptible to environmental circumstances; hence, the compositions of rocks as well as the minerals that are composed of are investigated in order to provide answers to basic problems along a wide variety of geological subfields.

Petrology

The scientific analysis of rocks is called petrology, so it focuses on the rocks’ composition, textures, and structure, as well as the occurrence & distribution, as well as their genesis in connection to physicochemical circumstances and geological phenomena. This is focused with sedimentary, igneous, and metamorphic rocks, which are the three primary types of rocks. Experimentation in petrology and the study of petrography are both subfields that fall under the umbrella of petrology. Synthesis of rocks in a lab is part of experimental petrology that aims to determine the physical as well as chemical characteristics that are necessary for the production of rocks. The use of a petrographic microscope is essential to the practice of petrography, which is the study of rocks in thin sections. The primary focuses of petrography are the organised classification and detailed description of various rock types.

Because the majority of rocks are made up of minerals and are generated within the same settings, petrology primarily utilises the principle and procedures used in mineralogy. The meticulous mapping as well as sampling of rock units is also an important component of petrological study since it provides information on geographical gradations of rock types as well as on relationships that cannot be obtained through any other means.

Mineralogy

Mineralogy is the scientific study of all characteristics of minerals, such as the physical qualities, chemical properties, internal crystalline structure, presence as well as distribution in the environment, including the origins in respect of the physiochemical properties and circumstances under which they formed. Studies in mineralogy can have a wide variety of objectives, such as the identification and characterisation of an unique or infrequent mineral, the investigation of the crystalline structure of a mineral by determining its internal atomic structure, or the research lab or industrial manufacturing synthesis of mineral species by subjecting them to high pressure and temperature. Studies of this nature make use of an extremely diverse range of methodologies, some of which include optical inspection, X-ray diffraction, isotope analysis, and simple physico chemical identification tests.

Minerals are the focus of the research conducted by mineralogists, who investigate their origin, where they are found, their chemical and physical characteristics, as well as their composition and how they are categorised. Determinative mineralogy is the science as well as art of recognising a mineral inside a survey based on the sample’s physical and chemical characteristics. It is the subfield of mineralogy that deals with the identification of minerals. The study of economic mineralogy concentrates on the geological activity that are responsible for the creation of ore minerals, particularly of commercially relevant ores.

Geology Specialising in the Scientific Study

Geology, the study of the Earth and its processes, is one of the natural disciplines that encompasses the widest range of topics. It is focused on the genesis of the planet Earth, as well as its past, its structure, the elements which create it, as well as the phenomena that are operating and also have worked on it. Geology is one of numerous interconnected fields that are together referred to as the Earth sciences, also written as geoscience. Geologists are scientists of the Earth whose primary focus is on stones including materials generated from rocks which form the crust of the planet. In spite of the fact that each Earth science investigates a different topic, geology is relevant to all of them. Therefore, understanding of hydrology and oceanography is required for the study of the waters of the Earth in relation to the processes that occur within the Earth’s crust. An understanding of mapping and geodesy, the science that measures the exact form and proportions of the Earth, is required in order to accurately map and measure the surface formations of the planet. Astronomical research on extrasolar bodies is another avenue that is explored in the search for information on how the Earth came to be.

Geology is a significant branch of science that focuses not only on the research of landforms and some other features of the Earth’s surface, but also on the structure and interior components of the planet itself. In other words, geology is interested in both the surface and the interior of the planet. This kind of knowledge is not only of fundamental interest to the scientific community, yet it is put to use for the benefit of humanity.Practical geology concentrates on the research for usable minerals in the Earth, the discovery of geologically stable areas appropriate for development, and the prediction of natural disasters, like earthquakes, related with the Earth’s geodynamic forces.

Conclusion

Geology is the scientific investigation of all the components of planets, including their interior and outward structures and the processes that shape them. To be more specific, it is the research of the natural history, physical structure, and human history of the globe. The fact that the Earth is the abode of all life on Earth is common knowledge among humans. Geology is a significant component of both Earth science and atmospheric science, which are often referred to as the “twin” sciences. The study of geology involves all elements, including the composition, shape, physicochemical parameters, and histories of the inter-related components of a planet (like Earth), as well as the activities that are creating the characteristics on the surface of the globe. Geologists are the scientists that investigate the beginning, occurrence, distribution, and uses of all materials (metallic, non-metallic, and inorganic, etc.), minerals, rocks, sediments, soils, water, oil, and any other inorganic natural resources.

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Get answers to the most common queries related to the CSIR Examination Preparation

What are the two subdisciplines that make up the discipline of geology?

Ans : Physical geology and historical geology have tradition...Read full

What do you call the study of rocks and minerals?

Ans: The study of sedimentary, igneous, and metamorphic rocks, as well as the processes that...Read full

What is a good illustration of geology?

Ans : The study of various types of rocks and stones is one example of geology.

Which three ideas are the most fundamental to the study of geology?

Ans : In general, the field of geology can be broken down into three distinct subfields: phy...Read full

What exactly is it that those who study mineralogy do?

Ans : The research of the chemistry, crystal structure, and ...Read full

Ans : Physical geology and historical geology have traditionally been considered to be the two primary subfields that make up the discipline of geology.

Ans: The study of sedimentary, igneous, and metamorphic rocks, as well as the processes that generate and modify these types of rocks, is referred to as petrology.

Ans : The study of various types of rocks and stones is one example of geology.

Ans : In general, the field of geology can be broken down into three distinct subfields: physical, historical, and environmental geology. Physical geology deals with the investigation of Earth’s materials and processes, whereas historical geology investigates the formation and evolution of the planet (the interrelationship of humans and the Earth).

Ans : The research of the chemistry, crystal structure, and physical qualities of the various mineral ingredients that make up rocks is referred to as mineralogy.

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