CUDDAPAH BASIN PDF

Geology of the Cuddapah Basin and its lithostratigraphy. (a) Sketch geological map of the Cudddaph Basin showing the sub-basins, and the boundary thrusts of . Proterozoic Cuddapah basin, on the eastern margin of the Dharwar craton is an intracratonic basin of the Indian shield (Fig. 1). The Eastern Ghats mobile belt. The Cuddapah Basin in Andhra Pradesh is a remarkable tectonic and orogenic belt of the unfossiliferous Precambrian rocks of Peninsular India. The paper.

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Wadia Endowment Lecture G. The crescent shaped, easterly concave and N-S trending Cuddapah basin Fig.

Cuddapah Basin | NDR – National Data Repository India

How to cite item. The Cuddapah Basin in Andhra Pradesh is a remarkable tectonic and orogenic belt of the unfossiliferous Precambrian rocks of Peninsular India.

The eastern half of the Cuddapah basin is occupied by the Nalamallai fold belt consisting of upper Cuddapah sediments. Muthuswami Memorial Lecture C.

The basin is well known for its mineral potential in the form of limestones and dolomites, bedded and vein barites, chrysotile asbestos and steatite, besides occurrences of base metals, diamond, phosphorite, uranium and abundant building and ornamental stones. Naqvi Gold Medal K. Prahalad Cuedapah Memorial Lecture Dr.

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The basin extends for a length of about km along the arcuate eastern margin with a mean width of km, and is the second largest Purana basin of Penninsular India, after the great Vindhayan basin. This site is best viewed using current versions of Cudxapah v. The author recommends further detailed structural mapping, especially in the eastern half of the basin, for solving the unsolved problems in the Cuddapah stratigraphy and structure.

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The paper reviews the stratigraphy and structure of the rocks of the Cuddapah System and Kurnool Series as originally proposed by King and gives the author’s conclusions on the detailed structure and tectonics of the Basin.

Sawkar endowment for Teachers training V. Cuddapah Basin Basin Cudeapah Karanth Endowment Lecture T.

Tectonics of the Cuddapah Basin | Narayanaswami | Geological Society of India

The western half of the basin is undeformed and consists of four sub-basins, the Papaghni, Kurnool, Srisailam and Palnad. Future Challenges in Earth Mahadevan Endowment Lecture R.

Nallamalai fold belt is demarcated from the undeformed western sub-basins by the prominent fault lineament called the Rudravaram Line along which baein begins to develop in the Cuddapah sediments, which become intensely deformed towards the boundary thrust in the east.

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The arcuate eastern margin is marked by a prominent boundary thrust, which is parallel to the Nellore schist belt, Eastern Ghats mobile belt and the East Coast. A north-plunging low-amplitude asymmetrical synclinorium having a gently dipping western limb and intensely folded, overfolded and thrusted eastern limb is the major structural element.

Cuddapah basin is characterized by quartzite-carbonate-shale cycles having an aggregate thickness that is estimated to vary between 6 and 12 km. The relation of the structural elements to the localization of mineral deposits in the Cuddapah Basin is discussed and the necessity for their precise interpretation for exploring the depth extension of the ore mineralization is stressed.

Email this article Login required. Srisailam sub-basin contains upper Cuddapah sediments and Palnad sub-basin exposes only the younger Kurnool sequence.

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Suryaprakash Rao Endowment Lecture K. Symposium on the Cuddapah Basin and its Equivalents. Progress Report of G. The Papaghni and Kurnool sub-basins are geographically interlinked, but were sites of deposition at different times, the Papaghni sub-basin containing lower Cuddapah sediments, and the Kurnool sub-basin containing the younger Kurnool sediments that overlie the Cuddapah sequence with a major unconformity.

This is further complicated by a major domal upwarp across the middle of the basin marked by monocjinal flexures of the Kurnool strata in Gani Kalawa area; culminations and depressions at Jammalamadugu, Giddaluru and Srisailam plateau; Eshwarakupam dome of the lower Cuddapahs in the northern part of the Nallamalai hills; and granite domes of Vinukonda area bason the north-east extremity.

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Cuddapah Basin

Gupta Gold Medal L. The arcuate north, south and western boundary of the Cuddapah basin marks cuddalah profound uncomformity called Eparchaean Unconformity in early literature on basement granites enclosing the Eastern greenstone belts in Kadiri, Veligallu and Tsundupalle in the south, and Raichur, Gadwal and Peddavuru in the north. The early sediments of the basin are interspersed with basic volcanics and sills.

Vaidyanadhan Award Endowment Lecture C. Email the author Login required. Felsic volcanics and tuffs are intercalated with sediments at many horizons.

A giant basic dyke swarm underlies the basin in the west from Chittoor in the south to Mahbubnagar in the north.