UPSC Geologist Syllabus 2026- Check Subject-wise topics here

UPSC Geologist Syllabus 2026- UPSC will release the complete syllabus of Combined Geo-Scientist and Geologist Exam 2026 along with the official notification. UPSC Geologist 2026 syllabus includes the important chapters and topics that are mandatory to prepare to qualify the examination. UPSC Geologist 2026 is different for different posts including Geologist, Geophysicist, Chemist and Junior Hydrogeologists.

Combined Geo-Scientist and Geologist Exam 2026 includes prelims, main and interview. In the preliminary exam, General Studies is the mandatory paper for all the candidates. Here is the UPSC geologist 2026 syllabus for the ease of candidates. Refer the official notification for in-depth syllabus topics.

[Form id=”2″]

UPSC Geologist Syllabus 2026 (Prelims)

Check the name of the major topics that students need to prepare for the examination-

SubjectsChapters
General Studies
  • Indian and World Geography
  • History of India and Indian National Movement
  • National and international Current events
  • Economic and Social Development
  • Indian Polity and Governance
  • General issues on Environmental Ecology
  • General Science
Geology/Hydrogeology
  1. Physical Geology
  2. Structural Geology
  3. Mineralogy
  4. Igneous Petrology
  5. Metamorphic Petrology
  6. Sedimentology
  7. Paleontology
  8. Stratigraphy
  9. Economic Geology
  10. Hydrogeology
Geophysics
  1. Solid Earth Geophysics
  2. Mathematical Methods in Geophysics
  3. Electromagnetism
  4. Geophysical Prospecting
  5. Remote Sensing and Thermodynamics
  6. Nuclear Physics and Radiometry
Chemistry
  1. Chemical periodicity
  2. Chemical bonding and structure
  3. Acids and bases
  4. Theoretical basis of quantitative inorganic analysis
  5. Kinetic theory and the gaseous state
  6. Chemical thermodynamics and chemical equilibrium
  7. Solutions of non-electrolytes
  8. Electrochemistry
  9. Basic organic chemistry
  10. Stereochemistry
  11. Types of organic reactions
  12. Molecular Rearrangements

UPSC Geologist Syllabus 2026 (Main)

The main examination will be of descriptive type. Below are the topics of Combined Geo-Scientist (Main) Syllabus 2026. To get the detailed UPSC Geologist syllabus 2026, candidates are advised to download the official notification-

Combined Geo-Scientist (Main) Syllabus 2026 for Geology Paper-I (200 Marks)

  • Geomorphology and Remote Sensing
  • Structural Geology
  • Geodynamics
  • Stratigraphy
  • Palaeontology

Geo-Scientist (Main) Syllabus 2026 for Geology Paper-II (200 Marks)

  • Mineralogy and Geochemistry & Isotope Geology
  • Igneous Petrology
  • Metamorphic Petrology & Processes
  • Sedimentology
  • Environmental Geology and Natural Hazards

Combined Geo-Scientist (Main) Syllabus 2026 for Geology Paper-III (200 Marks)

  • Economic geology
  • Indian mineral deposits and mineral economics
  • Ore genesis and Geophysics
  • Mineral exploration
  • Geology of fuels
  • Engineering Geology

Geophysics Paper I (200 Marks)

Part A (100 Marks)Part B (100 Marks)
Solid Earth GeophysicsMathematical Methods of Physics
Earthquake and Engineering SeismologyThermodynamics and Statistical Physics
Mathematical methods in GeophysicsElectrodynamics
Geophysical InversionIntroductory Atmospheric and Space Physics

Geophysics Paper II (200 Marks)

Part A (100 Marks)Part B (100 Marks)
Geophysical Potential Fields (Gravity and Magnetic)Atomic and Molecular Physics and Properties and Characterization of materials
Electrical and Electromagnetic methodsNuclear and Particle Physics
Seismic ProspectingElectromagnetic Theory
Borehole Geophysics (Principles of Well logging)Classical Mechanics

Geophysics Paper III (200 Marks)

Part A (100 Marks)Part B (100 Marks)
Radiometric Exploration / Airborne Geophysical surveys for Geological MappingSolid State Physics
Marine GeophysicsLaser systems
Geophysical Signal ProcessingLaser cavity modes
Remote Sensing and GIS applicationsElectronics and devices
 Digital electronics, Radar systems, Satellite communications
 Quantum Mechanics

Chemistry Paper I (200 Marks)

Chemical periodicitys-Block Elements
Chemical Bonding and structurep-Block Elements
Chemistry of coordination compoundsChemistry of d- and f- block elements
Acid-Base reactionsOrgano metallic compounds
Precipitation and Redox ReactionsNuclear chemistry

Chemistry Paper II (200 Marks)

Kinetic theory and the gaseous stateApplication of Second law of thermodynamics
Collision of gas molecules, Real gasesThermodynamics and Equilibrium
ThermodynamicsAcids-bases and solvents
Liquid StateSolutions of non-electrolytes
SolidsChemical kinetics and catalysis
Adsorption and Surface ChemistryElectrochemistry
PhotochemistryQuantum Chemistry
Basic principles and application of spectroscopyUV Spectra
PMR Spectra 

Chemistry Paper III (200 Marks)

Part A- Analytical Chemistry (100 Marks)Part B- Organic Chemistry (100 Marks)
Theoretical basis of Quantitative inorganic analysisBasic organic chemistry
Gravimetric AnalysisOrganometallic compounds
Sampling and treatment of samples for chemical analysisBonding and physical properties
Acid base titrationsAldol and related reactions
Redox TitrationsMechanism of some name reactions
PotentiometryElectrocyclic Reactions
Complexometric titrationsOrganic Reaction Mechanisms
Chromatographic methods of analysisOrganic Spectroscopy
UV-Visible Spectroscopy 
Flame photometry and Atomic absorption spectrometry 
X-ray methods of Analysis 
Inductively coupled plasma spectroscopy 
Analysis of Minerals, Ores and Alloys 
Analysis of petroleum and petroleum products 
Analysis of coal and coke 

Hydrogeology- 200 Marks

  • Occurrence and distribution of groundwater
  • Groundwater movement and well hydraulics
  • Water wells and groundwater levels
  • Groundwater Exploration and Water Well Construction
  • Groundwater Quality
  • Groundwater Management

Other Important Links

EssaysCareersResults
Admit CardAdmissionLatest Education News

Stay Connected With StudyGrades for Latest Updates on Latest UPSC Recruitment 2026!!

Other Articles