Tectonic evolution of the Aravalli Mountains information
Overview article
The Aravalli Mountain Range in Rajasthan, IndiaThe Aravalli Mountain Range is in the northwestern part of India.
The Aravalli Mountain Range is a northeast-southwest trending orogenic belt in the northwest part of India and is part of the Indian Shield that was formed from a series of cratonic collisions.[1] The Aravalli Mountains consist of the Aravalli and Delhi fold belts, and are collectively known as the Aravalli-Delhi orogenic belt. The whole mountain range is about 700 km long.[2] Unlike the much younger Himalayan section nearby, the Aravalli Mountains are believed much older and can be traced back to the Proterozoic Eon. They are arguably the oldest geological feature on Earth.[3] The collision between the Bundelkhand craton and the Marwar craton is believed to be the primary mechanism for the development of the mountain range.[1]
The precise evolutionary processes responsible for the Aravalli Mountain Range remains controversial today, and there are diverse theories put forward for the tectonic history.
^ abMishra, D.C.; Kumar, M. Ravi. Proterozoic orogenic belts and rifting of Indian cratons: Geophysical constraints. Geoscience Frontiers. 2013 March. 5: 25–41.
^Mckenzie, N. Ryan; Hughes, Nigel C.; Myrow, Paul M.; Banerjee, Dhiraj M.; Deb, Mihir; Planavsky, Noah J. New age constraints for the Proterozoic Aravalli–Delhi successions of India and their implications. Precambrian Research. 2013 November. 238: 120–128.
^Verma, P. K.; Greiling, R. O. (1 December 1995). "Tectonic evolution of the Aravalli orogen (NW India): an inverted Proterozoic rift basin?". Geologische Rundschau. 84 (4): 683–696. Bibcode:1995GeoRu..84..683V. doi:10.1007/BF00240560. ISSN 1432-1149. S2CID 129382615.
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stable section, unaffected by plate tectonics. The Indian Craton can be divided into five major cratons as such: Aravalli Craton (Marwar-Mewar Craton or Western...
metamorphism oftheAravalliMountains represent the main phase of orogenesis. The erosion ofthemountains, and further deformation ofthe sediments ofthe Dharwarian...
north-western spur of Alwar group of Delhi supergroup ofAravalliMountain Range, belong to the Precambrian Malani igneous suite of rocks and have been...
orogeny Aravalli-Delhi Orogen – Precambrian Altaid Orogeny – Paleozoic Era Uralian orogeny – Long series of linear deformation and mountain building...
conditions. The outer surface is divided into several gradually migrating tectonic plates. The interior remains active, with a thick layer of plastic mantle...
series of mountainous foothills adjacent to an orogenic belt, which forms due to contractional tectonics. Fold and thrust belts commonly form in the forelands...
slopes oftheAravalli in the west to the Chota Nagpur plateau and the Sunderbans delta in the east. A significant portion ofthe discharge from the Ganges...
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vertical tectonic movements have frequently diverted streams in the past. The Ghaggar-Hakra may have migrated westward due to such uplift oftheAravallis. Puri...
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