UPSC Combined Geo Scientist Syllabus and Exam Pattern [Updated 2020]

We are sharing Updated UPSC Combined Geo-Scientist Syllabus and Exam Pattern, this Updated Syllabus of UPSC CGS (UPSC Combined Geo Scientist) is going to be effective from 2020. Here you will see the detail Updated Exam pattern of Combined Geologist Scientist. As you know this Geologist Scientist exam is being conducted by the UPSC once in a year. This article will help you to prepare better for your upcoming UPSC CGS examination.

UPSC Combined Geo Scientist Syllabus and Exam Pattern [Updated 2020]
UPSC Combined Geo Scientist Syllabus and Exam Pattern [Updated 2020]

UPSC Combined Geo Scientist Syllabus and Exam Pattern [Updated 2020]:-

The Union Public Service Commission in consultation with the Government (Ministry of Mines, the Nodal Ministry) has decided to revise the Scheme, Pattern and Syllabi of the Combined Geo Scientist and Geologist Examination. The salient features of the same are as under-

  • The nomenclature of this Examination has been changed to “Combined Geo-Scientist Examination” in place of “Combined Geo-Scientist and Geologist Examination
  • There will a three-tier examination pattern i.e.

Stage-I: Preliminary Examination

Stage-II: Main Examination

Stage-III: Personality Test

  • Preliminary Examination will screen the candidates for taking the Main Examination (Stage–II).
  • The Preliminary Examination will be of objective type having two Papers. Marks secured in this Examination will be counted for deciding the final merit.
  • The Preliminary Examination will be a Computer Based Examination
  • The Main Examination will have three Papers for each Stream and all Papers will be of descriptive type. Marks secured in this Examination will be counted for deciding the final merit.

UPSC Combined Geo-Scientist Exam Pattern [Updated 2020]:-

For Stage-1

Stream-I:-

Geologist & Jr. Hydrogeologist
SubjectsDurationMaximum Marks
Paper-I: General Studies2 Hr100
Paper-II: Geology/Hydrogeology2 Hr300
Total400

Stream-II:-

Geophysicist
SubjectsDurationMaximum Marks
Paper-I: General Studies2 Hr100
Paper-II: Geophysics2 Hr300
Total400

Stream-III:-

Chemist
SubjectsDurationMaximum Marks
Paper-I: General Studies2 Hr100
Paper-II: Chemistry2 Hr300
Total400

Stage-II:

Combined Geo-Scientist (Main) Examination [Descriptive-type]:- The Examination shall comprise of three papers in each stream

Stream-I:-

Geologist
SubjectsDurationMaximum Marks
Paper-I: Geology3 Hr200
Paper-II: Geology3 Hr200
Paper-III: Geology3 Hr200
Total600

Stream-II:-

Geophysicist
SubjectsDurationMaximum Marks
Paper-I: Geophysics3 Hr200
Paper-II: Geophysics3 Hr200
Paper-III: Geophysics3 Hr200
Total600

Stream-III:-

Chemist
SubjectsDurationMaximum Marks
Paper-I: Chemistry3 Hr200
Paper-II: Chemistry3 Hr200
Paper-III: Chemistry3 Hr200
Total600

Stream-IV:-

Jr. Hydrogeologist
SubjectsDurationMaximum Marks
Paper-I: Geology3 Hr200
Paper-II: Geology3 Hr200
Paper-III: Hydrogeology3 Hr200
Total600

C. Stage-III:-

  • Personality Test – 200 Marks

Syllabus of Combined Geo-Scientist (Preliminary) Examination:-

Paper-I: General Studies (Common for all streams)
  • Current events of national and international importance.
  • History of India and Indian National Movement.
  • Indian and World Geography -Physical, Social, Economic Geography of India and the World.
  • Indian Polity and Governance -Constitution, Political System, Panchayati Raj, Public Policy, Rights Issues, etc.
  • Economic and Social Development – Sustainable Development, Poverty, Inclusion, Demographics, Social Sector initiatives, etc.
  • General issues on Environmental Ecology, Bio-diversity and Climate Change – that do not require subject specialisation
  • General Science

Stage-I (Objective Type) Syllabus

Paper-II: Geology/Hydrogeology

Physical Geology:-

Principle of uniformitarianism; origin, differentiation and internal structure of the Earth; origin of the atmosphere, earthquakes and volcanoes; continental drift, sea-floor spreading, isostasy, orogeny and plate tectonics, geological action of rivers, wind, glaciers, waves, erosional and depositional landforms; weathering processes and products.

Structural Geology:-

Stress, strain and rheological properties of rocks; planar and linear structures; classification of folds and faults; Mohr’s circle and criteria for failure of rocks; ductile and brittle shear in rocks; study of toposheets, V-rules and outcrop patterns; stereographic projections of structural elements.

Mineralogy:-

Elements of symmetry, notations and indices; Bravais lattices; chemical classification of minerals; isomorphism, polymorphism, solid solution and exsolution; silicate structures; physical and optical properties of common rock-forming minerals- olivine, garnet, pyroxene, amphibole, mica, feldspar and quartz

Igneous Petrology:-

Magma types and their evolution; IUGS classification of igneous rocks, forms, structures and textures of igneous rocks; applications of binary and ternary phase diagrams in petrogenesis; magmatic differentiation and assimilation; petrogenesis of granites, basalts, komatiites and alkaline rocks (carbonatite, kimberlite, lamprophyre and nepheline syenite)

Metamorphic Petrology:-

Limits, types and controls of metamorphism; metamorphic structures slated, schist and gneiss, metamorphic textures- pre, syn and post tectonic porphyroblasts; the concept of the metamorphic zone, isograd and facies; geothermal gradients, facies series and plate tectonics.

Sedimentology:-

Origin of sediments; sedimentary textures, grain-size scale; primary sedimentary structures; classification of sandstone and carbonate rocks; siliciclastic depositional environments and sedimentary facies; diagenesis of carbonate sediments.

Palaeontology:-

Fossils and processes of fossilization; the concept of species and binomial nomenclature; morphology and classification of invertebrates (Trilobites, Brachiopods, Lamellibranchs, Gastropods and Cephalopods); evolution in Equidae and Hominidae; microfossils-Foraminifera, Ostracoda; Gondwana flora.

Stratigraphy:-

Law of superposition; stratigraphic nomenclature- lithostratigraphy, biostratigraphy and chronostratigraphy; Archaean cratonic nuclei of Peninsular India (Dharwar, Singhbhum, and Aravalli cratons); Proterozoic mobile belts (Central Indian Tectonic Zone, Aravalli-Delhi and the Eastern Ghats); Purana sedimentary basins (Cuddapah and Vindhyan); Phanerozoic
stratigraphy of India- Spiti, Kashmir, Damodar valley, Kutch, Trichinopoly, Siwaliks and Indo-Gangetic alluvium.

Economic Geology:-

Properties of mineral deposits- form, mineral assemblage, texture, rock ore association and relationship; magmatic, sedimentary, metamorphic, hydrothermal, supergene and weathering-related processes of ore formation; processes of formation of coal and petroleum; distribution and geological characteristics of major mineral and hydrocarbon deposits of India.

Hydrogeology:-

Groundwater occurrence and aquifer characteristics, porosity, permeability, hydraulic conductivity, transmissivity; Darcy’s Law in homogenous and heterogeneous media; Bernoulli equation, Reynold’s number; composition of groundwater; application of H and O isotopes in groundwater studies; artificial recharge of groundwater.

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