Time assessment of tectonic and climatic forcing on the formation of Khari bedrock gorge, Kachchh, western India: A mathematical approach

Thakkar, M. G.; Kothyari, Girish Ch; Jani, Chirag; Chauhan, Gaurav; Lakhote, Abhishek; Taloor, Ajay Kumar

doi:10.1016/j.quaint.2020.06.035

Cited by 12 publications

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“…Thakkar et al (1999Thakkar et al ( , 2001 reported the Quaternary sequences within the rocky mainland in the form of three major episodes as alluvial and colluvial fan deposits as Early Pleistocene, sandy sheets of miliolites with boulders and pebbles as middle Pleistocene and fluvial sand silt and clay with some aeolian deposits of late Pleistocene and Recent age. Later on, various episodes of Late Pleistocene and Holocene sedimentation along various river courses in Kutch Basin are documented and are exploited for reconstructing the history of sea-level changes, climate and tectonics events spanning the last 100 (Maurya et al 2003a(Maurya et al , b, c, 2008(Maurya et al , 2013Khonde et al 2011Khonde et al , 2017aChowksey et al 2010;Das et al 2016aDas et al , b, 2017Das et al , 2020Prizomwala et al 2014aPrizomwala et al , b, 2016aPrizomwala et al , b, 2019Patidar et al 2007Patidar et al , 2008Kundu et al 2010;Bhattacharya et al 2013aBhattacharya et al , b, 2019Ngangom et al 2012Ngangom et al , 2017Ngangom and Thakkar 2016;Thakkar et al 2020a;Durga Prasad et al 2021).…”

Section: Stratigraphymentioning

confidence: 99%

Introduction to Geology of the Kachchh (Kutch) Basin, Western India

2021

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Section: Stratigraphymentioning

confidence: 99%

Introduction to Geology of the Kachchh (Kutch) Basin, Western India

2021

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Late Quaternary Glacial Geomorphology of Kashmir Valley, NW Himalayas: A Case Study of the Sind Basin

Dar

Paul

Murtaza

et al. 2021

Water, Cryosphere, and Climate Change in the Himalayas

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The Unique Geoheritage of the Kachchh (Kutch) Basin, Western India, and its Conservation

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The Kachchh Basin is a peri-cratonic rift basin in the Gujarat state of Western India which exposes a vast range of geological features which are of great importance for basic and applied research by geoscientists. The fossil-rich stratigraphy of the Kachchh Basin represents the past 200 million years of geological history from the Jurassic Period to the present day, including through the Neogene Period. Both Mesozoic and Cenozoic sequences are highly fossiliferous with a variety of mega, macro, and microfossils, including invertebrate, plant, trace, and vertebrate fossils. Crucially, the Kachchh Rift Basin demonstrates a uniquely well exposed, syn to post-rift tectono-sedimentary sequence formed from the Late Triassic to the Early Cretaceous during the break up of Eastern Gondwanaland. The basin is bounded by reactivated primary faults forming tilted horsts and half-grabens. Tilted-up edges of the uplifted fault blocks are represented by uplifted hilly ranges, whereas the intervening subsiding blocks are the geomorphological expression of the low-lying Rann and Banni plains (mudflats, marshes, and grassland). This activity was followed by an inversion cycle initiated in Late Early Cretaceous following the aborting of the rift and is active in the present neotectonic cycle. Thick Deccan Trap lava flows and basic intrusive bodies indicate associated deeper crustal and mantle processes associated with this rift basin evolution. Easily accessed, well-exposed continuous sedimentary sequences with scanty vegetation provide a unique window of opportunity to looking into the geological past of this unique landscape which has preserved the evidence of the evolution of life both in near shore, coastal, and terrestrial environment, as well as a rare opportunity to understand a history of syn/post-rift-fill sedimentation, volcanism, and tectono-geomorphical evolution. More recently the terrain has become a hotspot amongst the planetary scientists as it provides a terrestrial analogue for Lunar and Martian landscapes. These and many other features justify why the unique geological heritage of the Kachchh Basin should be conserved for posterity not only for geoscientists from all over the world but also for local communities and visitors who could learn from its 200 million year history. We therefore propose that the landscapes of the Kachchh Basin should be conserved as a National Geopark in India to achieve such ambitions, and we believe that in this, they have an immense potential to achieve many of the UN's Sustainable Development Goals. It is proposed to create 9 geo-stations (for administration) and 75 geosites grouped under these stations within the proposed Kachchh Geopark.

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Time assessment of tectonic and climatic forcing on the formation of Khari bedrock gorge, Kachchh, western India: A mathematical approach

Cited by 12 publications

References 19 publications

Introduction to Geology of the Kachchh (Kutch) Basin, Western India

Introduction to Geology of the Kachchh (Kutch) Basin, Western India

Late Quaternary Glacial Geomorphology of Kashmir Valley, NW Himalayas: A Case Study of the Sind Basin

The Unique Geoheritage of the Kachchh (Kutch) Basin, Western India, and its Conservation

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