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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Cuddapah Basin

Karanth Endowment Lecture T. Cuddapah basin is characterized by quartzite-carbonate-shale cycles having an aggregate thickness that is estimated to vary between 6 and 12 km. This site is best viewed using current versions of Firefox v.

Email the author Login required. Symposium on the Cuddapah Basin and its Equivalents.

Progress Report of G. Vaidyanadhan Award Endowment Lecture C.

Cuddapah Basin, South India

Suryaprakash Rao Endowment Lecture K. Wadia Endowment Lecture G. 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. A giant basic dyke swarm underlies the basin in the west from Chittoor in the south to Mahbubnagar in the north.

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. Srisailam sub-basin contains upper Cuddapah sediments and Palnad sub-basin exposes only the younger Kurnool sequence. Future Challenges in Earth Felsic volcanics and tuffs are intercalated with sediments at many horizons. The western half of the basin is undeformed and consists of four sub-basins, the Papaghni, Kurnool, Srisailam and Palnad.

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The eastern half of the Cuddapah basin is occupied by the Nalamallai fold belt consisting of upper Cuddapah sediments. Nallamalai fold belt is demarcated from the undeformed western sub-basins by the prominent fault lineament called the Rudravaram Line along which cleavage begins to develop in the Cuddapah sediments, which become intensely deformed towards the boundary thrust in the east. 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.

The crescent shaped, easterly concave and N-S trending Cuddapah basin Fig.

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

The early sediments of the basin are interspersed with basic volcanics and sills. Cuddapah Basin Basin Introduction: 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.

The paper reviews badin stratigraphy and structure of the rocks of the Vuddapah System and Kurnool Series as originally proposed by King and gives the author’s conclusions on the detailed structure and tectonics of the Basin. Article Tools Print this article.

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.

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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. Prahalad Rao Memorial Lecture Dr. How to cite item. The Cuddapah Basin cuddxpah Andhra Pradesh is a remarkable tectonic and orogenic belt of the unfossiliferous Precambrian rocks of Peninsular India.

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Subscription Login to verify subscription Purchased Articles. The arcuate north, south and western boundary of the Cuddapah basin marks the profound uncomformity called Eparchaean Basjn in early basun on basement granites enclosing the Eastern greenstone belts in Kadiri, Veligallu and Tsundupalle in the south, and Raichur, Gadwal and Peddavuru in the north.

Gupta Gold Medal L. Mahadevan Endowment Lecture Cuddalah. 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.

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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 cuddappah Srisailam plateau; Eshwarakupam dome of the lower Cuddapahs in the northern part of the Nallamalai hills; and granite domes of Vinukonda area in the north-east extremity. Naqvi Gold Medal K. Email this article Login required.