APSC Prelims and Mains Notes, APSC Test Series
EROSIONAL LANDFORMS Cirque Cirques are the most common of landforms in glaciated mountains. They are deep, long and wide troughs or basins with very steep concave to vertically dropping high walls at its head as well as sides. A lake of water can be seen quite often within the cirques after the glacier disappears. Such … Read more
A fault is a fracture in the earth’s crust due to tension force. It can also occur due tocompression in hard and brittle rocks. When there is tension the crust ruptures. One block is thrown upwards and the otherdownwards. The upthrown block is called Horst while the downthrown block is calledGraben. The line along which … Read more
Three Geological divisions: The peninsular block The Himalayas and other Peninsular Mountains Indo-Ganga-Brahmaputra Plain Peninsualar block is made of gneisses (metamorphic) and granites (igneous). Six physiographic divisions: The Northern and North-eastern Mountains The Northern Plain The Peninsular Plateau The Indian Desert The Coastal Plains The Islands Northern and North-Eastern Mountains Approximate length of the … Read more
Landform Each landform has its unique physical shape, size, materials and is a result of the action of certain geomorphic processes and agent(s). Every landform has a beginning. Landforms once formed may change in their shape, size and nature slowly or fast due to continued action of geomorphic processes and agents. Due to changes … Read more