Late Pleistocene - Holocene tectonic activities in the frontal part of NE Himalaya between Siang and Dibang river valleys, Arunachal Pradesh, India

Luirei, Khayingshing; Bhakuni, S. S.; Srivastava, Pradeep; Suresh, N.

doi:10.1127/0372-8854/2012/0075

Cited by 25 publications

(13 citation statements)

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“…In the Nepal Himalaya, Mugnier et al (1994) reported normal displacement along most of the length of the MBT; suggesting that the orientation of the major principal stress within the Himalayan Thrust wedge deviates significantly from the horizontal and when this deviation exceeds the dip of the vectors normal to backtilted thrusts, the normal component of displacement may act along these faults. In the north-east Himalaya, south of the Siang Window normal faulting has truncated the Quaternary fan deposit (Luirei et al 2012). …”

Section: Discussionmentioning

confidence: 98%

Quaternary extensional and compressional tectonics revealed from Quaternary landforms along Kosi River valley, outer Kumaun Lesser Himalaya, Uttarakhand

Luirei

Bhakuni

Kothyari

et al. 2015

Int J Earth Sci (Geol Rundsch)

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are observed and have been incised by river exposing the bedrocks due to recent movement along the RT and SAT. Abandoned channel, tilted mud deposits, incised meandering, deep-cut V-shaped valleys and strath terraces indicate rapid uplift of the area. Thick mud sequences in the Quaternary columns indicate damming of streams. A ~10-kmlong north-south trending transverse Garampani Fault has offset the Ramgarh Thrust producing tectonic landforms.

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Section: Discussionmentioning

confidence: 98%

Quaternary extensional and compressional tectonics revealed from Quaternary landforms along Kosi River valley, outer Kumaun Lesser Himalaya, Uttarakhand

Luirei

Bhakuni

Kothyari

et al. 2015

Int J Earth Sci (Geol Rundsch)

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“…The HFT delimits the sub-Himalaya from the Gangetic Plain and also serves as a physiographic boundary (Nakata, 1972;Valdiya, 2003). Landforms associated with neotectonic activity have been reported from various segments of the Himalayan mountain front (Nakata, 1972;Valdiya et al, 1984Valdiya et al, , 1992Valdiya, 1992;Malik and Nakata, 2003;Luirei et al, 2012). Quantitative measurements of the landforms associated with the HFT have been described from various segments of the Himalayas (Nakata, 1972;Valdiya et al, 1992;Goswami and Pant, 2007;Luirei and Bhakuni, 2008;Philip et al, 2009).…”

Section: Introductionmentioning

confidence: 94%

Drainage response to active tectonics and evolution of tectonic geomorphology across the Himalayan Frontal Thrust, Kumaun Himalaya

2015

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“…Reasonable studies pertaining to the nature and evolution of fluvial landforms from the western (Bookhagen et al 2005(Bookhagen et al , 2006Phartiyal et al 2005;Srivastava et al 2013;Sharma et al 2016) and central Himalayas (Juyal et al 2010;Chaudhary et al 2015;Kothyari et al 2016) exist. Compared to this, such a study from the northeastern Himalaya is scanty (Meetei et al 2007;Srivastava and Misra 2008;Luirei et al 2012) and absent from the Shillong plateau (SP), NE India. Therefore, the present investigation is undertaken in one of the tectonically active and monsoon-influenced southern fronts of the SP.…”

Section: Introductionmentioning

confidence: 94%

Mid–late Holocene fluvial aggradational landforms and morphometric investigations in the southern front of the Shillong plateau, NE India

2019

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The present study is an attempt to understand the antiquity of the preserved fluvial landforms and its response to the climate-tectonics nexus through geomorphological investigations along the Jadukata, Umpung, Umngot and Umtongoi rivers in the southern front of the Shillong plateau (SP), NE India. Sedimentological characteristics, chronological analyses and morphotectonic parameters were used to describe the spatial and temporal variability in the patterns of aggradation, landform evolution and neotectonic influences in the study. Our results indicate that valley aggradation processes occurred around the transitional zone in the southern front of the SP during the mid-late Holocene era along with a hiatus in sediment deposition after 4.3 ka. Sediment generation and aggradation is modulated by precipitation anomalies associated with the Indian Summer Monsoon (ISM) variability whereas morphometric analysis suggests that activity along the Dauki-Dapsi fault has been contributing to the uplift-related deformation. Sedimentological observation supported by optically stimulated luminescence chronology obtained on palaeoflood deposits, valley-fill fluvial terraces and alluvial fans indicate their deposition during three pluvial phases: (i) 5.3-4.3 ka, (ii) 2.4-1.0 ka and (ii) 0.7-0.3 ka. Our data indicate that valley aggradation and geomorphic processes in the southern part of SP responded to short-term changes in the ISM variability with contributions from the morphotectonic activities associated with the Dauki-Dapsi fault during the late Holocene period.

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Late Pleistocene - Holocene tectonic activities in the frontal part of NE Himalaya between Siang and Dibang river valleys, Arunachal Pradesh, India

Cited by 25 publications

References 0 publications

Quaternary extensional and compressional tectonics revealed from Quaternary landforms along Kosi River valley, outer Kumaun Lesser Himalaya, Uttarakhand

Quaternary extensional and compressional tectonics revealed from Quaternary landforms along Kosi River valley, outer Kumaun Lesser Himalaya, Uttarakhand

Drainage response to active tectonics and evolution of tectonic geomorphology across the Himalayan Frontal Thrust, Kumaun Himalaya

Mid–late Holocene fluvial aggradational landforms and morphometric investigations in the southern front of the Shillong plateau, NE India

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