AHSEC 2nd Year Syllabus 2024-25 Geology

GEOLOGY SYLLABUS FOR HIGHER SECONDARY COURSE Objectives : 1. To explain the basic concept of Geology. 2. To acquire the fundamental knowledge of different branches of Geology with their specific importance. 3. To develop an interest to nature and its processes. 4. To develop interest towards the constitution of the Earth’s crust. 5. To increase the awareness of the problems of environment due to mining and industrial activity and its remedial measures. 6. To develop an ability to use and interpret a geological map. 7. To know the importance of Geology contributing towards the national development especially the Engineering Projects. GEOLOGY SYLLABUS FOR HIGHER SECONDARY FINAL YEAR COURSE One Paper Time : Three Hours Marks 70 Unitwise Distribution of Marks and Periods : Unit No. Title Marks Periods Unit-1 Petrology 20 35 Unit-2 Indian Stratigraphy 15 25 Unit-3 Economic geology 15 30 Unit-4 Ground Water and Engineering geology 10 25 Unit-5 Palaeontology 10 25 Total 70 140 Unitwise Distribution of Course contents : Unit-1 Petrology : Rocks, its definition and types (igneous, sedimentary and metamorphic), their distinguishing characters. (i) Igneous: Its definition and composition, Forms of igneous rock. Differentiation of magma. Texture and structure of igneous rock. Texture (Porphyritic, Poikilitic, Ophitic, Coarse, Fine and Glassy). Structure (columnar, flow, pillow, vesicular, sheet, amygdaloidal). Classification of igneous rocks on the basis of texture, mineralogical composition and color. Study of the following rocks with respect to their mineralogical composition and texture:-Granite, Pegmatite, Rhyolite, Gabbro, Dolerite, Basalt. (ii) Sedimentary: Texture and structure of sedimentary rocks. Processes of formation of sedimentary rocks. Study of the following rocks:- Conglomerate, Grit, Sandstone, Shale, Lime stone. (iii) Metamorphic: Definition, agents and types of metamorphism. Depth zones of metamorphism (epizone, mesozone, katazone). Study of the following rocks with respect to their mineralogical

2 Syllabi for H.S. Final Year composition and texture and structure:- Schist, Gneiss, Marble, Slate and Quartzite. Unit-2 : Indian Stratigraphy : Precambrian and Mesozoic stratigraphy ofN.E. India. Precambrian of Kamataka and Vindhyan. An outline of the tertiary stratigraphy of the N.E. with emphasis on its lithology, paleontology and economic importance. Unit-3 : Economic Geology : Definition of ore. Elementary idea of the processes of formation of mineral deposits. Origin and mode of occurence of coal and petroleum. Mode of occurence, distribution in India and uses of the following in the N.E.- Coal, Petroleum, Silliminite, Limestone. Unit-4 : Ground Water and Engineering Geology : Ground Water : Definition, elementary idea of hydrologic cycle, porosity, permeability, aquifers, water table. Engineering geology : Selection of bridge site and Dam site, Flood- its geological causes, prevention with a view to proper utility. Unit-5 : PALEONTOLOGY : Fossil : Definition, mode of preservation, uses. An outline of the important forms of life (plant and animal) through geological ages. A brief morphological study of the phylum/class Brachiopoda, Lamellibranchia and Gastropoda. SYLLABUS FOR GEOLOGY PRACTICAL Total Marks- 30 Unit-1 : Crystallography : Marks 3 Symmetry elements, Identification of the crystal forms of the normal class of the isometric, tetragonal and hexagonal system with their general symbols. Unit-2 : Measurements : Marks 4 Measurement of specific gravity of minerals. Determination of hardness of minerals using Moh’s scale of hardness. Unit-3 : Identification : Marks 6 Identification of the following Minerals : Quartz, Orthoclase, Microcline, Garnet, Calcite, Muscovite, Biotite, Tourmaline, Galena, Haematite, Pyrite, Magnetite, Malachite, Bauxite, Silliminite, Asbestos, Cuprite, Gypsum, Hornblende, Kyanite. Identification of the following Rocks : Marks 6 Granite, Basalt, Pegmatite, Dolerite, Sandstone, Limestone, Conglomerate, Quartzite, Marble, Slate, Granite-gneiss, Biotite-schist, Muscovite-Schist, Amphibolites. Unit·4 : Drawing and interpretation of simple Geologic Maps. Marks 8 Unit-5 : Specimen collection and Laboratory note book. Marks 3 Total Periods 50 each of 45 minutes duration. ***