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Aravalli Range
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The Aravalli Range is a range of mountains in western India-running approximately 300 miles from northeast to southwest across Rajasthan state. The northern end of the range continues as isolated hills and rocky ridges into Haryana state, ending near Delhi. The highest peak is Guru Shikhar in Mount Abu. Rising to 5653 feet, it lies near the southwestern extremity of the range, close to the border with the Gujrat District. The city of Ajmer with its lake lies on the south slope of the range in Rajasthan.
The Aravalli Range is the eroded stub of a range of ancient folded mountains.[1] The range rose in a Precambrian event called the Aravalli-Delhi 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.
As mentioned Aravali hills are from amongst the oldest of the old fold mountains and collectively form the Aravali hill range in Rajasthan state of Northern India, they extend till Delhi in the heart of India.
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 Himalayas are continuously rising young fold mountains of today.
- ^ The India Center - Physical Features. Retrieved on 2007-01-05.