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Bomdila Gneiss

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Journal Article
Published: 11 April 2016
Geological Magazine (2017) 154 (3): 476–490.
...R. K. BIKRAMADITYA SINGH; A. KRISHNAKANTA SINGH; KOUSHIK SEN; S. J. SANGODE Abstract Outcrop-scale structures and magnetic fabric anisotropy of the Bomdila Gneiss (BG) that intruded the Lesser Himalayan Crystallines (LHC) of the Arunachal Lesser Himalaya are studied to understand the BG deformation...
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Journal Article
Published: 01 November 2014
Jour. Geol. Soc. India (2014) 84 (5): 544–554.
...K.P. Sarma; S. Bhattacharjee; S. Nandy; P. Konwar; Nandita Mazumdar Abstract: Bomdila Gneiss (BG) of Western Arunachal Himalaya (WAH), a suite of felsic magmatic rocks of different components of Palaeoproterozoic age is hosted within the Lesser Himalayan Sedimentary Sequence (LHSS) and placed...
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Series: Geological Society, London, Special Publications
Published: 25 September 2019
DOI: 10.1144/SP481-2017-169
EISBN: 9781786204264
... Abstract Felsic magmatic bodies are exposed widely in the Bomdila region of the western Arunachal Himalaya, NE India. The litho-units of this region are primarily composed of two-mica (muscovite–biotite (ms–bt)) granite gneiss, referred to herein as the Bomdila granite gneiss (BGGn...
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Model for the superposed deformation of <span class="search-highlight">Bomdila</span> <span class="search-highlight">Gneiss</span> in the <span class="search-highlight">Bomdila</span> mylon...
Published: 11 April 2016
Figure 9. Model for the superposed deformation of Bomdila Gneiss in the Bomdila mylonitic zone showing the change in compression direction of the Indian plate and Eurasian plate along with the development of folding in the Lesser Himalayan Crystallines
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Geological map along Bhalukpong-Tawang sector showing <span class="search-highlight">Bomdila</span> <span class="search-highlight">gneiss</span> (modif...
Published: 01 November 2014
Fig.1. Geological map along Bhalukpong-Tawang sector showing Bomdila gneiss (modified after Bhattacherjee and Nandy (2008) and Goswami et al. (2009) .
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Surface outcrop map of <span class="search-highlight">Bomdila</span> <span class="search-highlight">gneiss</span> showing magnetic susceptibility value...
Published: 01 November 2014
Fig.8. Surface outcrop map of Bomdila gneiss showing magnetic susceptibility values (x 10 -3 SI unit).
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(a)  Fe 2 O 3 &#x2F;FeO vs. SiO 2  (wt%) plots for <span class="search-highlight">Bomdila</span> <span class="search-highlight">gneiss</span> of West Kameng...
Published: 01 November 2014
Fig.9. (a) Fe 2 O 3 /FeO vs. SiO 2 (wt%) plots for Bomdila gneiss of West Kameng districe, Arunachal Pradesh. ‘+’ denotes average plots after Kumar and Pathak (2009) . (b) Redox classificatin scheme plotted for Bomdila gneiss of West Kameng district. VSO - very strongly oxidised, SO
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Geographic and generalized geologic map of the Himalaya showing distributio...
Published: 01 March 2010
“metasediments”; 12—Bomdila gneiss; S—Sutlej, India; P—Pabar Valley region, India; M—Mori, India; G—Garhwal region, India. Chronologic details and references are provided in Table 1 . STDS—South Tibetan Detachment System; MCT—Main Central Thrust; MBT—Main Boundary Thrust. Quotes indicate ambiguity in the rock
Journal Article
Published: 01 January 1996
Jour. Geol. Soc. India (1996) 47 (1): 83–88.
...G. R. Dikshitulu; R. Dhana Raju Abstract The Central Gneissic Complex (CGC) in the Kameng district, Arunachal Pradesh comprises the oldest Sela Group, followed by the Bomdila Group and the youngest Salari Group. The Sela Group consists of migmatite, hornblende granite gneiss, two-mica granite...
Journal Article
Published: 01 January 1995
Jour. Geol. Soc. India (1995) 45 (1): 51–56.
...G. R. Dikshitulu; B. K. Pandey; Veena Krishna; R. Dhana Raju Abstract Precambrian Central Gneissic Complex (CGC) in the Kameng district of Arunachal Pradesh comprises the oldest Sela Group thrusting over the Bomdila Group, with the Salari Group being the youngest. Augen gneiss of the Bomdila Group...
Journal Article
Published: 01 November 2020
Jour. Geol. Soc. India (2020) 96 (5): 447–457.
... Thrust ( Kumar, 1997 ). The middle to late Proterozic Bomdila Group constitutes the LHS ( Table 1 ). In the Siyom valley, the LHS consists of quartzites, quartz mica schists, calc silicates and limestones. The HHC is dominated by pelitic gneiss, quartzo feldspathic gneisses, migmatites, calc silicates...
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Journal Article
Published: 01 July 2011
Jour. Geol. Soc. India (2011) 78 (1): 45–56.
...- - - - - - - - - - - - - - - - - Lesser Himalaya Bomdila Group Intrusive Dirang Fm. Dedza Fm. Tenga Fm. Mylonitic augen gneiss, Sericite-chlorite puckered phyllonite, garnet-biotite schist and gneiss, and foliated micaceous quartzite In the area under investigation, the crystalline rocks of Se La Group are thrust over...
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Journal Article
Published: 01 September 1980
Jour. Geol. Soc. India (1980) 21 (9): 464–467.
... Dirang Formation Central Thrust Phyllitic quartzite, quartzite with marble bands, quartz-chlorite-mica schist, garnetiferous mica schist with pegmatite intrusions and occasional bands of kyanite $chist. intrusions of amphibolite = Dalings Thrust Bomdila Gneiss = Darjeeling Gneiss SE The general foliation...
Journal Article
Published: 01 March 1996
Jour. Geol. Soc. India (1996) 47 (3): 293–302.
... in direct contact with the biotite-gneiss of Ziro Massif and sho~s a wrapping around the rigid body . Th~ metamorphites of the Bomdila Group in the Ziro-Daporijo Road Section are highly folded and show even higher grade of metamorphism up to sillimanite zone with very tight folding and grain boundary...
Journal Article
Published: 01 May 1995
Jour. Geol. Soc. India (1995) 45 (5): 603–614.
... to the Lesser Himalaya. The granitoids occurring beneath the Main Central Thrust are not referred to as the Central Gneissic Complex, and the one at Sapper is located at the border zone. The title and keywords thus may create some confusion. 3. The augen gneisses from Bomdila area have yielded Rb-Sr isochron...
Journal Article
Published: 01 October 1997
Jour. Geol. Soc. India (1997) 50 (4): 407–419.
... and two-mica granite of the Sela Group as well as the augen gneiss of the Bomdila Group; (ii)monzogranite nature of the Salad Granite; and (iii) syenogranite composition of the toum1aline granite. GEOCHEMISTRY Data on the major, minor and trace elements, including REE, of the granitoids of CGC are given...
Journal Article
Published: 01 June 2014
Jour. Geol. Soc. India (2014) 83 (6): 688–696.
...C. D. Singh; Atul Kohli; Pankaj Kumar Abstract: This paper compares the findings of macrolevel landslide hazard zonation carried out along the highway from Bhalukpong to Bomdila, West Kameng district, Arunachal Pradesh following GSI and BIS guidelines. The map resulted from the GSI guideline shows...
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Journal Article
Journal: GSA Bulletin
Published: 01 March 2010
GSA Bulletin (2010) 122 (3-4): 360–395.
... Sequence is divided into the Paleoproterozoic Bomdila Group (augen gneiss interlayered with phyllite) and the overlying Mesoproterozoic-Neoproterozoic Rupa Group (quartzite and phyllite below and carbonate above) ( Kumar, 1997 ) ( Fig. 3 ). The augen gneisses yield Rb‑Sr ages of ca. 1.9 Ga and 1.5 Ga...
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Journal Article
Published: 01 June 2013
Jour. Geol. Soc. India (2013) 81 (6): 791–803.
... in Parts of Kameng District of Arunachal Pradesh, Eastern Himalaya . Unpublished D.Phil. Thesis, H.N.B. Garhwal University, India . Bikramaditya Singh , R.K. and Gururajan , N.S. (2011) Microstructures in quartz and feldspars of the Bomdila Gneiss from western Arunachal Himalaya...
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Journal Article
Published: 01 February 1988
Jour. Geol. Soc. India (1988) 31 (2): 210–229.
... earlier, the Mara Schist poses certain problems with regard to its relationship with the Daporijo Gneiss. There is no difficulty in correlating the Daporijo with the Sela Group. Dus ('1 01. (1975) correlate the Bomdila Group as the subthrust unit of Sela Crystalline 224 S. V. SRIKANTJA Nappe...