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The Aravalli Range
The Aravalli Range literally meaning 'line of peaks' , is a range of mountains in western Indiamarker running approximately 800 km from northeast to southwest across states of Rajasthanmarker, Haryanamarker, and Gujaratmarker.. It is also called Mewat hills locally.

Features

The northern end of the range continues as isolated hills and rocky ridges into Haryanamarker state, ending near Delhimarker. The southern end is at Palanpurmarker near Ahmedabadmarker, Gujaratmarker. The highest peak is Guru Shikhar in Mount Abumarker. Rising to 5653 feet (1723 meters), it lies near the southwestern extremity of the range, close to the border with the Gujrat Districtmarker. The city of Udaipurmarker with its lake lies on the south slope of the range in Rajasthan. Numerous rivers arises amidst the ranges including, Banas River, Luni Rivermarker, Sakhi, Sabarmati Rivermarker.

The Aravalli Range is the eroded stub of a range of ancient folded mountains. The range rose in a Precambrian event called the Aravalli-Delhimarker orogen. The range joins two of the ancient segments that make up the Indian craton, the Marwar segment to the northwest of the range, and the Bundelkhand segment to the southeast.

Old fold mountains are characterized by having stopped growing higher due to the cessation of upward thrust caused by the stopping of movement of the tectonic plates in the Earth's crust below them. In ancient times they were extremely high but since have worn down almost completely by millions of years of weathering. In stark contrast Himalayasmarker are continuously rising young fold mountains of today.

Mining in Aravali hills

Aravalli Hill
Being rich in mineral resources, the Aravali hills have witnessed years of illegal mining, which have led to their fast erosion in Rajasthanmarker and Haryana. This also poses a grave environmental concern as the ranges form a natural barrier against the spread of the Thar desert northwards into the Gangeticmarker plains in the Gangetic basin and Gujaratmarker

In May 2009, after months of media and public protests, along with several environmental groups, the Supreme Courtmarker banned mining in an area of 448 km2, across Faridabadmarker, Gurgaonmarker and Mewat districts in Haryanamarker, that was once supposed to be set aside for a national park. This comes after SC's earlier judgment in 1994 that allowed limited mining on the basis of the sustainable development principle and under strict guidelines, which were violated by local miners as the court ruled .

Further reading

  • Watershed Management in Aravali Foothills, by Gurmel Singh, S. S. Grewal, R. C. Kaushal. Published by Central Soil & Water Conservation Research & Training Institute, 1990.


Notes

External links

  • Aravalli Range Homepage India Environment Portal.
  • http://www.savearavali.com
  • http://www.rajirrigation.gov.in/1rainfall.htm



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