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Impacts of Government Policies on Sustenance of Tribal ... - Samata

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Table 2: Main hill ranges in the Eastern GhatsName <str<strong>on</strong>g>of</str<strong>on</strong>g> the hills, districtNorthern Eastern GhatsOrissa—Districts <str<strong>on</strong>g>of</str<strong>on</strong>g> Sambalpur and Bolangir(Gandhamardan hills), Mayurbhanj and Kalahandi(Kh<strong>on</strong>dmal hills), Phulbani and KoraputAndhra Pradesh—Srikakulam (Palak<strong>on</strong>da-Antik<strong>on</strong>da-Burrak<strong>on</strong>da ranges), Vizianagaram andVisakhapatnam (Madgole hills-Ananthagiri-Chintapalli-Sapparla-Gudem-Marripakalau hillranges), East Godavari (Gurtedu-Addateegala-Rampachodavaram-Maredumalli ranges), WestGodavari (Polavaram, Papik<strong>on</strong>da ranges)Altitudes <str<strong>on</strong>g>of</str<strong>on</strong>g> the hillsAltitude <str<strong>on</strong>g>of</str<strong>on</strong>g> above 400 m, few peakswith above 1,100 m. Mahendragiri1,510 m, Debmali Prabar 1,672 m(Koraput district), Koraput 1,515 m,Singaraju Parbar 1,516 m, Devagiri1,381.2 m, Turiaki<strong>on</strong>da 1,598 m,Hatimali 1,391 m, Chandragiri1,269 m, Armak<strong>on</strong>da 1,680 m,Dharak<strong>on</strong>da 1,365 m, Sambarik<strong>on</strong>danear Gudem village 1,527 m,Galik<strong>on</strong>da 1,643 mMiddle Eastern GhatsAndhra Pradesh—District <str<strong>on</strong>g>of</str<strong>on</strong>g> Krishna (K<strong>on</strong>dapalliranges), Kurnool, Mahabubnagar, Prakasam(Nallamalai hills), Anantapur, Cuddapah, Chittoor andPrakasam (Palak<strong>on</strong>ga-Seshachalam-Lankamala-Nagari hills) and Nellore (Velig<strong>on</strong>da range)Average elevati<strong>on</strong> 750 m.Nallamalais 800 m, Seshachalamhills 850 mSouthern Eastern GhatsTamil Nadu—North Arcot (Javadi hills), South Arcot(Gingee hills), Salem (hills <str<strong>on</strong>g>of</str<strong>on</strong>g> Shevaroy, Kollimalaihills, Kalrayan and Bodamalai), Dharmapuri (Melahirihills), Tiruchirapalli (Pachamalai hills)Javadi hills up to 1,375 m,Pachamalais hills up to 1,000 m.Shervaroy hill (400–1,600 m), Kolihills 1,000–1,500 mSource: Sandhya Rani, S and T. Pullaiah. 2002. A tax<strong>on</strong>omic survey <str<strong>on</strong>g>of</str<strong>on</strong>g> trees in Eastern Ghats. In: Proceedings<str<strong>on</strong>g>of</str<strong>on</strong>g> the Nati<strong>on</strong>al Seminar <strong>on</strong> C<strong>on</strong>servati<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> Eastern Ghats, 24–26 March 2002, Tirupati, Andhra Pradesh, India.Pp 5–15.Geology and mineralsThe Eastern Ghat belt is comm<strong>on</strong>ly referredto as the Eastern Ghats granulite belt ingeological nomenclature. The belt extendsfor 1,000 km in a northeast-southwestdirecti<strong>on</strong> al<strong>on</strong>g the east coast <str<strong>on</strong>g>of</str<strong>on</strong>g> India. Thebelt seems to have developed in two stagesduring the early Proterozoic and middle tolate Proterozoic ages. The predominantlithounits in the belts are kh<strong>on</strong>dalites,charnockites, basic granulites, leptynites,megacrystic granites while the intrusivec<strong>on</strong>sists <str<strong>on</strong>g>of</str<strong>on</strong>g> alkaline, ultramafic, anorthositic(layered and massive) rocks distributed atmany tect<strong>on</strong>ically disturbed z<strong>on</strong>es <str<strong>on</strong>g>of</str<strong>on</strong>g> the belt.The two most typical rock types <str<strong>on</strong>g>of</str<strong>on</strong>g> theEastern Ghats are charnockites andkh<strong>on</strong>dalites and are <str<strong>on</strong>g>of</str<strong>on</strong>g> the Precambrian age.The early British geologists coined thenames in India, the former after JobCharnock the founder <str<strong>on</strong>g>of</str<strong>on</strong>g> Calcutta and thelatter named by the geologist TL. Walkerafter the Kh<strong>on</strong>d tribes <str<strong>on</strong>g>of</str<strong>on</strong>g> Orissa. Such rocks8

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