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Aravali valley

ARAVALLI RANGE

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Natural History & Geology

The Aravalli Range, an eroded stub of ancient mountains, is the oldest range of Fold Mountains in India. The natural history of the Aravalli Range dates back to a pre-Indian subcontinental collision with the mainland Eurasian Plate. It is part of the Indian Shield that was formed from a series of cratonic collisions. In ancient times, Aravalli were extremely high but since have worn down almost completely by millions of years of weathering. The Aravalli Range joins two of the ancient earth's crust segments that make up the greater Indian Craton, the Aravalli Craton and the Bundelkand Craton generally found in the interiors of tectonic plates.

 

Minerals

Haryana Aravalli ranges, in the west contains basement rocks that are quartzite with chiastolite, the upper layers of quartz porphyry ring dyke, felsite, welded tuff and muscovite biotite granite rocks have commercially nonviable tin, tungsten and copper.

Human history

The Aravalli Range has been site of three broad stages of human history

    1. early stone age saw the use of flint stones

    2. mid-stone age saw the domestication of cattle for agriculture

    3. post stone age saw the development of the Kalibangan civilization, 4,000 years old Aahar civilization and 2,800 years old Ganeshwar civilization, Aarayan civilization and Vedic era civilizations.

 

Mining

Mining of copper and other metals in the Aravalli range dates back to at least 5th century BC

 

Flora

The Aravalli Range has several forests with a diversity of environment.

 

Fauna

The Aravalli Range is rich in wildlife. The first 2017 wildlife survey of 200 square meter area across five districts (Gurgaon, Faridabad, Mewat, Rewari and Mahendergarh) of Haryana found 14 species, including leopards, striped hyena, golden jackal, nilgai, palm civet, wild pig, rhesus macaque, peafowl and Indian crested porcupine

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