UNIT I
GENERAL GEOLOGY
Origin, Interior and Age of the Earth - Weathering -
Types and products - Geological work of Wind, River,
Glacier, and Groundwater - Volcanees - Earthquakes -
caulses and effects - Richter Scale - Principles of
Plate Tectonics.
UNIT II
STRUCTURAL GEOLOGY
Types of Folds - Types of Faults - Types of Joints -
Types of Unconformities - Recognition of Top and Bottom
of beds - Clinometer compass and its uses.
UNIT III
STRATIGRAPHY AND PALEONTOLOGY
Principles of Stratigraphy - Correlation - Gelogical
Time Scale - General characteristics, descriptive and
economic importance of Archean, Cuddapah, Vindhyan and
Gondwana systems of Peninsular India - Cretaceous system
of Tamil Nadu. General principles of Paleontology -
Fossils - Modes of preservation of Fossils - Uses of
fossils.
UNIT IV
CRYSTALLOGRAPHY
Definition of crystals - Forms - Faces - Edges - Solid
angles - Interfacial angles - Goviameter Symmetry Elements
- Study of Normal Classses of Isometricf, Tetragonal,
Hexagonal, Orthorhombic, Monoclinic and Triclinic systems
- Twin crystals.
UNIT V
MINERALOGY
Petrodlogicsl Microscope, parts, accessories and uses
- Physical properties of minerals - Isotropic and Anisotropic
Minerals - Descriptive study of quartz and its varities
- Feldspar Group - Pyroxene Group - Amphibole Group
- Mica Group - Garnet Group - Descriptive study of the
following minerals - calcite, Dolomite, Tourmaline,
Topaz, Staurolite, Chlorite and Zircon.
PAPER - II
UNIT I
IGNEOUS PETROLOGY
Definition of magma - Composition and constitution of
magma - Forms and structures of Igneous rocks - Textures
and Microstructures of Igneous rocks - Clasification
- Bowen's Reaction principle - Descriptive Study of
the following - Granite - Syenite - Diorite - Gabbro
- Ultramafies (Dunite, Peridotite, Pyroxenite and Anorthosite)
- Differantiation - Assimilation.
UNIT II
SEDIMETARY AND METAMORPHIC PETROLOGY
Primary structures of sedimentary rocks - classification
of sedimentary rocks - Descriptive study of Residual,
clastic, Chemical and organic deposits - Definition
of Metamorphism - Agents and kinds of metamorphism -
classification of metamorphic rocks - Textures of metamorphic
rocks - Different fscies - study of marbles - Greenschist
- Amphibolite - Granulite (Charnockite).
UNIT III
ENONIMIC GEOLOGY I
Definition of Ore - Tenor - Gangue - Lindgren and Bateman's
classification of ore deposites - study of the following
ore - forming processes - Magmatic concentration Hydrothermal
- Evaporation - Sedimentation - placer deposits - Oxidation
and Supergene Enrichment.
UNIT IV
ECONOMIC GELOLOGY II
Important ores, their composition, physical properties,
mode of occurrence, distribution in India and uses of
the folowing - Gold, Iron, Aluminium, Manganese, Copper,
Magnesium and Led and Zinc - Building Stones, their
characters, distribution and mode of occurrence in India
- Mineral Wealth of Tamil Nadu - Lognite, Coal and Petroleum
- their occurrence in India and origin.
UNIT V
APPLIED GELOLOGY
Role of Geology in Mining - Principles of Geological
mapping - Drilling Instruments and equipments - Field
Techniques - Different methods of power boring, logging,
borehole problems - Determination of strike, dip etc.,
from borehole strata - Investigation for tunnelling
and handslides - Geologicsl problems in mines including
groundwater.
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