• Anorthosite is important in academic and economic fields. (1050-1150 Ma), Precambrian granite, syenite, anorthosite, and gabbroic rocks in the San Gabriel Mountains; also various Precambrian plutonic rocks elsewhere in southeastern California. Properties of rocks. GEOLOGY. Silurian(?) General Geology: The Solar System, meteorites, origin and interior of the earth and age of the earth; Volcanoes—causes and products, Volcanic belts.Earthquakes—causes, effects, seismic of the zone of India; Island arcs, trenches and mid-ocean ridges; Continental drift; Seafloor spreading, plate tectonics. The feldspar variety labradorite is c… Wide variety of granitic rocks, including granite, granodiorite, tonalite, quartz diorite, diorite, and gabbro. Anorthosite is available in black, bluish - grey, brown, green, grey, light greenish grey, pink, white colors. Register; FAQs; Enquiry +91 9880487071 +91 9880486671. • Pyroxene,ilmenite,magnetite,and olivine are the mafic mineral commonly present. Pramesh eLib is an online portal to help UPSC aspirants. How to prepare Read all about the geology optional for UPSC 2020, geology UPSC syllabus, geology optional success rate, previous year questions and more. Textures and structures of metamporphic rocks. Exposures are extensive north of Globe. Anorthosite definition: a coarse-grained plutonic igneous rock consisting almost entirely of plagioclase feldspar | Meaning, pronunciation, translations and examples 4. If you continue browsing the site, you agree to the use of cookies on this website. This article talks about the different kinds of rocks. Cover Ups & Scarves Hair Accessories Barrettes & Clips Decorative Combs ... Anorthosite Igneous Rock - Measures 1 - 2 inches on Longest Side - 10 Unpolished Mineral Specimens BeakersWorld. 8.1 Ferroan Anorthosite. Anorthite belongs to the Plagioclase Feldspar group, an isomorphous solid solution series. You can check out the UPSC CSE Geology Syllabus for Mains by referring below. Geology Main Syllabus. Devonian(?) Introduction In UPSC exam geology is one of the optional papers in IAS main exam, here is this blog we would provide a Syllabus of UPSC mains Geology Subject. Calculate Time and Cost. UPSC Mains Optional Geology Coaching in Delhi,IAS Mains Optional Geology Coaching,Mains Optional Geology Coaching with Updated Pattern,UPSC Civil Services Mains Optional Geology Coaching . There are approximately 50 localities of such rocks, generally restricted to the Eastern Ghats mobile belt. A plutonic rock defined in the QAPF diagram as having Q between 0 and 5, P/(A+P) greater than 90, and M less than 10. When minerals, rocks, and fossils cannot be accurately identified by macroscopic observation and testing, thin section slides can reveal the composition and structure of the specimens on a microscopic level.Rock specimens are useful for studying textures, grain sizes, and other features altered by pressure, temperature, and other natural forces. UPSC Mains Geology Optional Subject contains two papers in Civil Service Examination. Daily Current Affairs IAS | UPSC Prelims and Mains Exam – 13th July 2019. Geology is one of the underrated optional subjects one can choose for UPSC-CSE exam. Anorthosite has a coarse-grained texture due to slow cooling underground. Q.18: A rock composed of about 50% nephaline and rest consisting of other matic minerals This team created lunar simulant soil from anorthosite rock collected from Sitampoondi and Kunnamalai villages in Namakkal, Tamil Nadu. Typically, calcium-rich anorthosite deposits are small, irregular and … From shop BeakersWorld. An information card with details on the rock formation, mineral content, characteristics, and uses is included. Provide the origin, destination, and weight of your shipment to compare service details then sort your results by time or cost to find the most cost-effective shipping service. (1600-1800 Ma), Dark gray to black sills (intrusions mostly parallel to bedding) in strata of the Apache Group and irregular to sheet-like intrusions in other rocks. Home; Education. Ranked third in the nation for advocacy by US News and World Report, Baylor Law School is a professional school that combines theory with practice and … Radioactivity and age of earth; Volcanoes- causes and products, volcanic belts. Many people consider this optional paper for IAS Mains Exam as a part of it overlaps with General Studies Paper – I. Since the syllabus is limited and from the science stream it is a high marks scoring potential. NCERT notes on important topics for the UPSC civil services exam. General Geology: The Solar System, Meteorites, Origin and interior of the earth and age of earth; Volcanoes- causes and products, Volcanic belts; Earthquakes-causes, effects, Seismic zones of India; Island arcs, trenches and mid-ocean ridges; Continental drifts; Seafloor spreading, Plate tectonics; Isostasy. Geology Optional. UPSC OOPTIONAL SYLLABUS: GEOLOGY. LARAMIE ANORTHOSITE COMPLEX--Anorthosite and norite. It occurs in mafic igneous rock. Physical and chemical characters of rock forming silicate mineral groups; Structural classification of silicates; Common minerals of igneous and metamorphic rocks; Minerals of the carbonate, phosphate, sulphide and halide groups; Clay minerals. Physical and chemical characters of rock forming silicate mineral groups; Structural classification of silicates; Common minerals of igneous and metamorphic rocks; Minerals of the carbonate, phosphate, sulphide and halide groups; Clay minerals. Each paper is of 250 marks, making a total of 500 marks. Metamporphic grdes and zones. UPSC Mains Geology Optional Subject contains two papers in Civil Service Examination. The reason is simple. Mesozoic(?) This is the combined syllabus for UPSC IAS and IFS Geology Optional. Chandrayaan 2: India’s second moon mission — complete coverage ISRO’s lunar touchdown has dry run on soil fetched from Tamil Nadu Since they are primarily composed of plagioclase feldspar, most of Proterozoic anorthosites appear, in outcrop, to be grey or bluish. Geologists of various national agencies had found that a few sites near Salem in Tamil Nadu had the ‘anorthosite’ rock that somewhat matches lunar soil in composition and features. Namo Aayariyanam. Download UPSC Optional Syllabus. Paper-1. Optical properties of common rock forming minerals; Pleochroism, extinction angle, double refraction, birefringence, twinning and dispersion in minerals. UPSC: Geology syllabus for UPSC Mains optional focuses on the candidates’ understanding of the basic concepts of geology and application of this knowledge to problems of sustainable development and disaster management. 1. Anorthosite is a white to light gray-colored intrusive igneous rock. Students willing to appear in the Geology Optional Paper are suggested to follow the syllabus accordingly. Mount Rogers Group - Metavolcanics, typically purplish and reddish; massive lavas and tuffs, altered rhyolites and quartz latites; strongly foliated; interbedded arkose, shale, and conglomerate. Skip to content. Types and agents of metamporphism. These notes will also be useful for other competitive exams like banking PO, SSC, state civil services exams, and so on. Types Of Rocks (UPSC Notes):-Download PDF Here Individual plagioclase crystals may be black, white, blue, or grey, and may exhibit an iridescence known as labradorescence on fresh surfaces. Structural classification of silicates. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Quickly get estimated shipping quotes for our global package delivery services. Plagioclase is a very common mineral group, more than half of the Earth’s crust is composed of it. Anorthosite A plutonic rock defined in the QAPF diagram as having Q between 0 and 5, P/ (A+P) greater than 90, and M less than 10. The White Mountain anorthsoite is unique in its size and purity. Click here for a detailed analysis on Geology Optional UPSC IAS and IFS Indian Forest Services. The pristine clasts in lunar meteorites are mostly ferroan anorthosites. General Geology: The Solar System, Meteorites, Origin and interior of the earth and age of earth; Volcanoes- causes and products, Volcanic belts; Earthquakes-causes, effects, Seismic zones of India; Island arcs, trenches and mid-ocean ridges; Continental drifts; Seafloor spreading, Plate tectonics; Isostasy. Anorthosite is a phaneritic, intrusive igneous rock characterized by a predominance of plagioclase feldspar (90-100%), and a minimal mafic component (0-10%) Pyroxene, hornblende, ilmenite, magnetite, and olivine are the most common mafic minerals available in anorthosite rock. If you continue browsing the site, you agree to the use of cookies on this website. However, some rocks have rare properties. INTRODUCTION • Anorthosite is a phaneritic, intrusive igneous rock characterised by a predominance of plagioclase feldspar (90-100%) and a minimal mafic component (0-10). General Geology: The Solar System, Meteorites, Origin and interior of the earth and age of earth;Volcanoes- causes and products, Volcanic belts; Earthquakes-causes, effects, Seismic zones of India;Island arcs, trenches and mid-ocean ridges; Continental drifts; Seafloor spreading, Plate tectonics;Isostasy. General Geology: The Solar System, meteorites, origin and interior of the earth and age of earth; Volcanoes—causes and products, Volcanic belts. Rocks are used for various purposes starting from construction of roads, bridges, buildings to pot in kitchen, as a gem stone or just for decorating your garden. Each Paper is for 250 Marks and comprises a total of 500 Marks. Phanerozoic | Paleozoic(?) Each Paper is for 250 Marks and comprises a total of 500 Marks. Major minerals of anorthosite include just feldspar. preCambrian-Proterozoic(?) Jurassic(?) UPSC Geology Syllabus PAPER - I 1. Visit us for detail syllabus for Geology for UPSC IAS Main Exam 2020 Is also helpful for students appearing for Indian Forest Services the primitive lunar crust IRS relationships! Subject Syllabus, naukripakad.com brings it whole in one article the caronate,,. 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Subject contains two papers in Civil Service Examination paper II Syllabus Section a: Mineralogy and Geochemistry & Geology., including granite, granodiorite, tonalite anorthosite rock upsc quartz diorite, diorite and! By ISRO get estimated shipping quotes for our global package delivery Services, volcanic belts.Classification of sequences...