Official GPSC syllabus for Geologist Class-1 (Advt. 25/2026-27) and Assistant Geologist Class-2 (Advt. 26/2026-27), Industries and Mines Department. The 200-mark subject paper in English, with 17 units, is on 4 October 2026.
GPSC uses one syllabus for two Industries and Mines Department posts: Geologist, Class-1 (Advt. 25/2026-27) and Assistant Geologist, Class-2 (Advt. 26/2026-27). GPSC’s schedule dated 4 July 2026 shows 4 Geologist posts and 9 Assistant Geologist posts.
Part-1 (General Studies) was held on 9 August 2026 as part of GPSC’s common GS paper. The Part-2 subject paper is on 4 October 2026 in OMR mode. Call letters were available from 24 September 2026 on GPSC OJAS.
| Part / ભાગ | Subject / વિષય | Marks / ગુણ | Date / તારીખ |
|---|---|---|---|
| Part-1 / ભાગ-૧ | General Studies (common GS paper, 100 questions) | 100 | 9 August 2026 (held) |
| Part-2 / ભાગ-૨ | Geology (200 questions, English medium) | 200 | 4 October 2026 |
| No. | Unit | Main topics |
|---|---|---|
| 1 | Physical geology and remote sensing | Earth’s structure, earthquakes and volcanoes, geomorphic landforms, ocean floor; remote sensing bands, LANDSAT, IRS and SPOT, aerial photos, image interpretation, GIS |
| 2 | Structural geology | Geological mapping, stress and strain, folds, faults and joints, stereographic projection, shear zones, paleostress |
| 3 | Sedimentology | Classification and textures of sedimentary rocks, sediment transport, sedimentary structures, facies and environments, sequence stratigraphy |
| 4 | Paleontology | Fossil record and time scale, invertebrate groups, micropaleontology, Gondwana plant fossils, vertebrate evolution |
| 5 | Stratigraphy | Principles and stratigraphic code of India; litho-, bio-, chrono- and magnetostratigraphy; Archean nuclei (Dharwar, Bastar, Singhbhum, Aravalli, Bundelkhand); Proterozoic mobile belts and Indian stratigraphy |
| 6 | Mineralogy | Crystal symmetry, Miller indices, Bravais lattices and 32 crystal classes; bonding and crystal defects; polymorphism and solid solution; physical and optical properties of minerals; the polarising microscope |
| 7 | Geochemistry and isotope geology | Geochemical structure of the Earth; composition of atmosphere, lithosphere and hydrosphere; geochemical cycles; meteorites; Goldschmidt’s classification; element fractionation and partition coefficients |
| 8 | Igneous petrology | Magma properties; IUGS classification; igneous textures; magmatic evolution; mantle melting; binary and ternary phase diagrams |
| 9 | Metamorphic petrology | Controls of metamorphism; zones, facies and isograds; orogenic belts; metamorphic textures; ACF, AKF and AFM diagrams; metamorphic equilibrium |
| 10 | Geodynamics | Seismic discontinuities and waves; Moho; rock rheology; rock magnetism and polarity reversals; continental drift, seafloor spreading and supercontinent cycles; ocean-floor anomalies |
| 11 | Economic geology | Ore and industrial minerals; ore textures and paragenesis; syngenetic and epigenetic deposits; stratiform and strata-bound deposits; ore-forming processes |
| 12 | Indian mineral deposits and mineral economics | Mineral deposits of the Indian shield; industrial minerals; strategic and critical minerals; National Mineral Policy; Mineral Concession Rules; marine minerals and law of the sea |
| 13 | Gujarat mineral deposits and mineral economics | Geology of Gujarat; Gujarat’s mineral policy; rules on illegal mining; lignite, limestone, bauxite, industrial, construction and semi-precious minerals |
| 14 | Mineral exploration | Stages and methods of prospecting; geochemical and geobotanical methods; drilling, sampling and ore reserve estimation; gravity, magnetic, electrical and seismic methods |
| 15 | Fuel geology and engineering geology | Coal types and analysis, lignite and coal deposits of India, origin and entrapment of hydrocarbons, engineering geology |
| 16 | Environmental geology and natural hazards | Scope of environmental geology; environmental impact of mining; waste disposal; Earth’s radiation budget, greenhouse gases and global climate change |
| 17 | Current trends | Recent advances in all the above fields |
ઉદ્યોગ અને ખાણ વિભાગની બે જગ્યાઓ – ભૂસ્તરશાસ્ત્રી, વર્ગ-૧ (જા.ક્ર. ૨૫/૨૦૨૬-૨૭) અને મદદનીશ ભૂસ્તરશાસ્ત્રી, વર્ગ-૨ (જા.ક્ર. ૨૬/૨૦૨૬-૨૭) – માટે એક જ અભ્યાસક્રમ છે.
Open GPSC’s syllabus page / GPSC અભ્યાસક્રમ પેજ ખોલો
Go to gpsc.gujarat.gov.in → Syllabus (https://gpsc.gujarat.gov.in/StageDocument?name=syllabus).
Find your advertisement number / જાહેરાત ક્રમાંક શોધો
The list shows the advertisement number, post name, the syllabus type (Prelim or Main) and the upload date. Use the search box to filter by advertisement number.
Download the latest file / નવીનતમ ફાઈલ ડાઉનલોડ કરો
If a post has an ‘Updated’ or ‘Corrigendum’ syllabus, use that one. It replaces the older file.
GPSC’s September 2026 notice lists the subject paper for Advt. 25 and 26/2026-27 on 4 October 2026, with call letters from 24 September 2026.
Yes. GPSC’s syllabus is titled for both Geologist Class-1 and Assistant Geologist Class-2 under the Industries and Mines Department.
English. The paper has 200 questions for 200 marks.
Yes. Unit 13 covers Gujarat’s mineral deposits and mineral policy, the geology of Gujarat, and rules on illegal mining.
