Download Geology

GEOLOGY
CLASS-XI
Full Marks – 100
Theory
[Total Marks – 80]
1. Introduction–
15M
Geology: Definition & broad scope; Branches; Elementary information on Solar System.
Members of the Solar System; Meteorites; The Earth as a planet – its position in the Solar
System; Internal structure of the Earth; Abundance of elements in the planet Earth; Oceans and
continental margins.
2. Processes of Origin of Landform –
10M
Exogenous cycle: Weathering, Erosion, Transportation, Deposition by the action of wind, river,
glacier, groundwater and Ocean; Soil and Soil profile.
3. Structural Geology –
15M
Idea about Primary & Secondary; Planar & Linear structures; Diastrophic – Non-diastrophic
structures; Methodology of measurements of attitude : Strike, dip, plunge, pitch; folds :
definition, types- plunging & non-plunging, antiform, Synform, Upright, inclined, recumbent;
Faults- normal, reverse, thrust, overthrust & nappe ; Brief idea about Schistosity, Foliation and
unconformity; Joints.
4. Mineralogy –
20 M
Definition of mineral; classification; Physical Properties of minerals– Forum, habit, colour &
transparency, lustre, streak, specific gravity, hardness, cleavage, fracture, magnetic properties;
Moh’s scale of hardness;
Brief idea about the physical character of following minerals:
Quartz, feldspar muscovite, biotite, pyroxene, amphibole, tourmaline, garnet, tale, graphite,
galena, sphalerite, pyrite, chalcopyrite, haematite, magnetite, Chromites, Pyrolusite,
poilomelane, bauxite, ciliate, dolomite, barite, gypsum, fluorite.
5. Crystallography –
10M
Elementary information of crystalline and non-crystalline states of matter; Idea about crystal
systems in torus of Crystal axes relationship; Crystal measurements : interfacial angle, zone,
Law of Coustancy of interfacial angles, principles of stereographic projection, edges and
corners, Miller indices, general soul relations of faces.
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6. Petrology–
10M
Definition of rocks, classification of rocks: Igneous, Metamorphic & Sedimentary; Types of
intrusion dyke, sill, batholiths, laccoliths, lopolith with examples.
Practical
[Total Marks- 20]
A) Description & use of clinometers Compass; Study of topographical map; study of survey of
India toposheet in various scales with conventional signs and interpretation.
5M
B) Identification of minerals based on physical properties Graphite, sulphur, galena, Calcite, quartz,
feldspar, muscovite, biotite, chalegoyrite, pyrite, haematite, magnetite, pyrolusite, tourmaline,
garnet, tale and gypsum.
10M
C) A field class of short duration to show natural occurrences of rocks and minerals.
5M
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GEOLOGY
CLASS-XII
Full Marks – 100
Theory
[Total Marks - 80]
1. Petro graphic character of the following rocks –
15 M
Granite, Syonite, dolerite, galsbro, basatt, pegmatite, Conglomerate, Sandstone, Siltstone,
shale, limestone, breecia, gneiss, schist, Slate, phyllite, marble quartzite, amphibolite.
2. Principles of optical mineralogy –
10M
Polarization of light; Construction of polarizing microscope; Elementary ideas on optical
properties of following minerals, quartz, feldspar, pyroxene, amphiboles, micas.
3. Palaeontology –
10 M
Major disciplines in palaeontology; Significance of study of fossils; Definition of fossils &
types; Fossilization process; Modes of preservation of fossils & their uses.
4. Principles of historical geology –
10M
Law of uniformitarianism; Law of superposition; Law of faunal succession; Principles of
Correction; Geological time scale.
5. Stratigraphy –
15M
Stratigraphic codes; Elementary idea on stratigraphy & classification; Preeambrian Geology of
India; Phanerozoic Geology of India; Gandwanas , Siwaliks and Rajmahal, Deccan traps.
6.
Natural Resources –
Coal, Petroleum, Limestone, Iron, Aluminium, Coppers & Water.
10M
7. Tectonics –
Earthquake; Volcanoes & Volcanism ; Isostasy; Origin of Mountains.
10M
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Practical
[Total Marks- 20]
a) Study of Geological maps showing horizontal & inclined leads with intrusions & extrusions. 8M
b) Identification of the following rocks:
6M
Granite, basalt, dolerite, pegmatite, gneiss, shale, sandstone, limestone, conglomerate, coal, schist,
marble, quartzite, amphibolites.
c) Identification of following fossils:
6M
Glossopteris, Ganyamopteris, Ptilophylum, Vertebraria; Area, Turritela, Natica, Ammonites,
Hemiester, Nummulites, Assilina Spira, Equas.
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