: Geologist Examination
Section A : Indian
mineral deposits and mineral economics
Occurrence and distribution in India of metalliferous deposits â€” base metals,
iron, manganese, aluminium, chromium, nickel, gold, silver, molybdenum. Indian
deposits of non-metals â€” mica, asbestos, barytes, gypsum, graphite, apatite
and beryl. Gemstones, refractory minerals, abrasives and minerals used in glass,
fertilizer, paint, ceramic and cement industries. Building stones. Phosphorite
deposits. Placer deposits, rare earth minerals.
Strategic, critical and essential minerals. India's status in mineral
production. Changing patterns of mineral consumption. National Mineral Policy.
Mineral Concession Rules. Marine mineral resources and Law of Sea.
Section B : Ore genesis
Ore deposits and ore minerals. Magmatic processes of mineralisation. Porphyry,
skarn and hydrothermal mineralisation. Fluid inclusion studies. Mineralisation
associated with â€” (i) ultramafic, mafic and acidic rocks, (ii) greenstone
belts, (iii) komatiites, anorthosites and kimberlites and (iv) submarine
volcanism. Magma-related mineralisation through geological time. Stratiform and
stratabound ores. Ores and metamorphism â€” cause and effect relations.
Section C : Mineral
Methods of surface and subsurface exploration, prospecting for economic minerals
â€” drilling, sampling and assaying. Geophysical techniques â€” gravity,
electrical, magnetic, airborne and seismic. Geomorphological and remote sensing
techniques. Geobotanical and geochemical methods. Borehole logging and surveys
Section D : Geology of
Definition, origin of coal. Stratigraphy of coal measures. Fundamentals of coal
petrology, peat, lignite, bituminous and anthracite coal. Microscopic
constituents of coal. Industrial application of coal petrology. Indian coal
deposits. Diagenesis of organic materials.
Origin, migration and entrapment of natural hydorcarbons. Characters of source
and reservoir rocks. Structural, stratigraphic and mixed traps. Techniques of
exploration. Geographical and geological distributions of onshore and offshore
petroliferous basins of India.
Mineralogy and geochemistry of radioactive minerals. Instrumental techniques of
detection and measurement of radioactivity. Radioactive methods for prospecting
and assaying of mineral deposits. Distribution of radioactive minerals in India.
Radioactive methods in petroleum exploration â€” well logging techniques.
Nuclear waste disposal â€” geological constraints.
Section E : Engineering
Mechanical properties of rocks and soils. Geological investigations for river
valley projects â€” Dams and reservoirs; tunnels â€” types, methods and
problems. Bridges â€” types and foundation problems. Shoreline engineering.
Landslides â€” classification, causes, prevention and rehabilitation. Concrete
aggregates â€” sources, alkali-aggregate reaction. Aseismic designing â€”
seismicity in India and earthquake-resistant structures. Problems of groundwater
in engineering projects. Geotechnical case studies of major projects in India.
A: Origin, occurrence and distribution of water
B: Well hydraulics and well design
C: Groundwater exploration
D: Groundwater problems and management