GEOLOGY OF CAUVERY BASIN PDF

GEOLOGY OF CAUVERY BASIN PDF

Map of India showing Cauvery Basin, b. Geological map of the Ariyalur Sub- basin showing the distribution of Cretaceous and Tertiary formations (modified after. Cauvery Basin: Geology. Cauvery basin forms a part of the South Indian Shield that preserves an early formed crust (> Ma). In terms of rock types. Biostratigraphy and Evolution of the Cauvery Basin, India. KING, W. and FOOTE, R. B., () On the geological structure of portions of the district of.

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The delta area is the most fertile tract in the basin. The tributaries joining it from the right are the Lakshmanathirthathe Kabbaniand the Survanavathi.

The results show that at many places, the quality of water was quite poor compared to what was the desired class.

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Prahalad Rao Memorial Lecture Dr. Gondwana System, Aligarh, India, Ann. The main soil types found in the basin are red and yellow soils.

Laterite soil is baisn in the lower parts of Orissa. The first marine transgression occurred during the close gology Late Jurassic. The geology of the drainage basin is predominantly formed from Precambrian rocks, principally the DharwarsPeninsular granitic Gneiss, Charnockites and the Closepet Granite. Several studies were made by the Central Pollution Control Board to ascertain the status of water quality in the Cauvery River.

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It is bounded on the west geopogy the Western Ghatson the east and south by the Eastern Ghats and on the north by the ridges separating it from the Tungabhadra Krishna and Pennar basins.

Outcrops ranging in age from Late Jurassic to Recent are located nearer the western margin of the basin.

Occasional flood problem in lower reaches and delta areas of Cauvery river. The shape of the basin is somewhat rectangular with a maximum length and breadth of km and km, respectively.

The north-east monsoon provides badin greater portion of the annual precipitation. Physiographicallythe basin can be divided into three parts: The eastern parts of the basin are covered by alluvium and contain a relatively thicker and more complete sedimentary sequence.

Cauvery then enters the Mysore district where cauveery tributaries joining the river from the left are the Harangithe Hemavathithe Shimsha and the Arkavathi. The Cauvery basin extends over an area of 81, km 2which is nearly The differentiation of the basin into depressions and ridges was almost lost during Eocene.

Muthuswami Memorial Lecture C. Sawkar endowment for Teachers training V.

Forest and agriculture are the main stay of the people in the interior parts of the basin. Gupta Gold Medal L. Here, the main climatic feature is the monsoon rain. Abstract Outcrops ranging in age from Late Jurassic to Recent are located nearer the western margin of the basin.

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Biostratigraphy and Evolution of the Cauvery Basin, India | Sastri | Geological Society of India

The exposed and subsurface sedimentary sequence are adequately fossiliferous and several faunal as well as palynological zones are established. The Dharwar metamorphics mainly comprise of phyllitesslates, schists with chlorite, biotitegarnet, and hornblende. Major Tributaries with drainage grology in sq. Soil and Land use of Basin.

How to cite item. The basin underwent an easterly tilt and the depocentres shifted due east prior to marine off during the beginning of Tertiary. The principal soil types found in the basin are black soils, red soils, lateritesalluvial soils, forest soils, and mixed soils.

Article Tools Print this article. Statewise Drainage Area Km 2.

Cauvery Basin: Geology

Naqvi Gold Medal K. The highest rainfall in the basin is received along the western border of the basin during the southwest monsoon.

The deltaic soil is found in the coastal plains of the Mahanadi.