Geology, Structural, Metamorphic and Mineralization Studies Along the Mandi-Kullu-Manali-Rohtang Section of Himachal Pradesh, NW-India

Singh, Paramjeet; Ao, Aliba; Thakur, S. S.; Rana, Shruti; Sharma, Rajesh; Singh, Alka; Singhal, Saurabh

doi:10.1007/978-3-030-60143-0_15

Cited by 17 publications

(7 citation statements)

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“…In the NW‐Himalaya, the geological and tectonic setup of eastern Himachal Pradesh has been well studied by (Bhargava & Srikantia, 2014; Srikantia & Bhargava, 1988) and contributed the detail tectono‐stratigraphic of the area as shown in Figure 2. From south to north, the Himachal Himalaya are separated by various north‐dipping thrust faults, such as the MBT, the JT, the MCT/VT and the STDS (Mukherjee & Koyi, 2010; Singh et al, 2021). The MBT separates the Sub‐Himalayan sediments and the LHS, which includes the undifferentiated Jansaur Group (roughly: Krol‐Blaini‐Shali‐Deoban‐Chail‐Simla Groups) and the low‐grade metamorphics of the LHC (Bhargava, 2000).…”

Section: Geological Backgroundmentioning

confidence: 99%

“…The Himalayan orogenic belt was formed in response to the continent-continent collision between the Indian and Eurasian plates 55 Ma ago (Jain, 2017;Mukherjee et al, 2013Mukherjee et al, , 2015Reber et al, 2021;Singh et al, 2021;Yin, 2006). Along the entire length of 2500 km (Figure 1), four north-dipping thrust faults separate it into distinct litho-tectonic zones.…”

Section: Introductionmentioning

confidence: 99%

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Geochemistry and U–Pb zircon geochronology of the Jutogh Thrust sheet, Himachal Pradesh, NW‐Himalaya: Implications to the petrogenesis and regional tectonic setting

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We present datasets of the whole-rock geochemistry and U-Pb zircon geochronology from the Jutogh Thrust (JT) sheet of eastern Himachal Pradesh, NW Himalaya, in order to explain the tectono-magmatic environment in which they formed. The metapelite and granitoids of the JT sheet have moderate to high SiO 2 , Al 2 O 3 , Na 2 O, K 2 O, and rare earth elements (REE). The A/CNK (Al 2 O 3 /CaO + Na 2 O + K 2 O) ratio with magnitudes ≥1, indicates the peraluminous nature, calc-alkaline series, and S-type granitoids. The high values of Rb and Th as compared to Nb and the negative Ba anomaly also suggest the dominance of crustal source material. The distinct enrichment of large-ion lithophile elements of Rb, Th, K, Ba and Pb and strong depletion in highfield-strength elements (HFSE) of Zr, Nb and Ti results in high incompatible elements/HFSE ratios, which suggest that the source is derived from many intra-crustal tectonic environments. All samples are well-fractionated REE patterns [(La/Yb) N = 6.06-17.37] and characterized by moderately flat enriched [(La/Sm) N = 2.31-4.71] of light rare earth elements. The negative Eu anomalies (Eu/Eu* = 0.18-0.71), suggest the plagioclase fractionation from the sourced magma and the origin of granitic gneiss through the high temperature (800 C). The zircon U-Pb ages of granite range between 883.0 ± 15.0 Ma and 1260.0 ± 10.0 Ma, with a consistent peak of 925.0 Ma. It confirms that the northern edge of the Indian Plate collided with an unnamed microcontinent. Also, in a contemporaneous process, the upper crust underwent partial melting, and the generated magma intruded in an extensional tectonic set-up of the northern edge (i.e., presently known as the Jutogh and Vaikrita thrust sheets) of the Indian Plate during the Neoproterozoic. The available zircon U-Pb ages of the JT sheet range between 550-2750 Ma. The magmatic nature of zircons, with two peaks of 825 Ma and 910 Ma, suggests that episodic magmatic processes have taken place during the Neoproterozoic. This study revealed that the Higher Himalayan Crystalline Sequence was a meta-sedimentary sequence and was deposited in an active margin set-up of the northern edge of the Indian Plate.

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Section: Geological Backgroundmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Geochemistry and U–Pb zircon geochronology of the Jutogh Thrust sheet, Himachal Pradesh, NW‐Himalaya: Implications to the petrogenesis and regional tectonic setting

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“…At the core of the Siang window of the EH Syntaxis, metasedimentary rocks of the Miri‐Buxa Group are interbedded and co‐folded with volcanic rocks and sedimentary rocks of the Yinkiong Formation (Acharyya, 2007; Singh et al, 2019; Singh & Singh, 2012). The volcanic rocks are underlain by the Miri quartzite, whereas the mafic intrusives are mostly intruded into the Miri quartzite (Oinam et al, 2020, 2022; Singh, 2012; Singh, Aliba, et al, 2021; Singh, Dutt, et al, 2021; Singh, Oinam, et al, 2021).…”

Section: Geology Of the Study Areamentioning

confidence: 99%

“…This unit is considered to represent a zone of ophiolitic mélange, a south‐east continuation of the Indus–Yarlung–Tsangpo Suture Zone (Acharyya et al, 1986; Gururajan & Choudhuri, 2003; Singh & Singh, 2013). The suture zone further extends south to the IMOB and the Andaman–Nicobar Island Arc (Khogenkumar et al, 2016, 2021; Singh, 2013; Singh et al, 2016; Singh, Aliba, et al, 2021; Singh, Dutt, et al, 2021; Singh, Oinam, et al, 2021).…”

Section: Geology Of the Study Areamentioning

confidence: 99%

Introduction, Part 2—Geodynamic evolution of Eastern Himalaya and Indo‐Myanmar orogenic belts: Advances through interdisciplinary studies

2022

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The geology of Eastern Himalaya, the Indo‐Myanmar orogenic belt (IMOB), the Shillong Plateau and its adjoining regions have a distinct entity in the tectonic framework of South‐east Asia. A considerable gap exists in our knowledge of the geology of the Eastern Himalaya, IMOB, Shillong Plateau, Assam–Arakan Basin, and ophiolites of Northeast India. In order to fulfil the gap to some extent two Special Issues were proposed through advanced interdisciplinary studies of geosciences. A total of 29 research papers cover articles of interdisciplinary studies of geosciences to understand the magmatism and exhumation history of the crystalline core, pressure, temperature, time, and deformation (P–T–t–d) conditions of the geologically least explored Eastern Himalaya and IMOB and adjoining regions are included in this Special Issue. This Special issue‐Part 2 is a continuation of an earlier Special Issue‐Part 1 published in vol. 57 (2), GJ with 26 research articles. This Special Issue will provide state‐of‐art information on the geodynamic evolution of the Eastern Himalaya and Indo‐Myanmar orogenic belt in the tectonic framework of South‐east Asia and will help in planning future guidelines to explore this one of the least studied geological terrains. Overall, this Special Issue will have the potential to become a reference volume for researchers, particularly working in the Eastern Himalaya, Shillong Plateau, Assam–Arakan Basin, and ophiolites of North‐east India. This volume will also be useful to future researchers and will also have the potential to become a reference volume for researchers, particularly working in the north‐eastern part of India and adjoining regions.

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“…reported from the Himalaya (e.g., Mukherje 2013; 2019; Bose and Mukherjee 2019a, b). Chapter "Geology, Structural, Metamorphic and Mineralization Studies Along the Mandi-Kullu-Manali-Rohtang Section of Himachal Pradesh, NW-India": Singh et al (2021) present lithounits and structures along the Mandi-Larji-Kullu-Manali-Rohtang La transect in the NW Indian Himalaya. Chapter "Tectonics and Channel Morpho-Hydrology-A Quantitative Discussion Based on Secondary Data and Field Investigation": Biswas et al (2021) compute 30 geomorphic indices to describe the river channel morphologies and their tectonic controls.…”

Section: Introduction To Structural Geology and Tectonics Field Guide...mentioning

confidence: 99%

Structural Geology and Tectonics Field Guidebook—Volume 2

2023

Springer Geology

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Geology, Structural, Metamorphic and Mineralization Studies Along the Mandi-Kullu-Manali-Rohtang Section of Himachal Pradesh, NW-India

Cited by 17 publications

References 53 publications

Geochemistry and U–Pb zircon geochronology of the Jutogh Thrust sheet, Himachal Pradesh, NW‐Himalaya: Implications to the petrogenesis and regional tectonic setting

Geochemistry and U–Pb zircon geochronology of the Jutogh Thrust sheet, Himachal Pradesh, NW‐Himalaya: Implications to the petrogenesis and regional tectonic setting

Introduction, Part 2—Geodynamic evolution of Eastern Himalaya and Indo‐Myanmar orogenic belts: Advances through interdisciplinary studies

Structural Geology and Tectonics Field Guidebook—Volume 2

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