Abstract
The Eastern Ghats Mobile Belt (EGMB) lies to the east of the Archaean Bastar and Dharwar Cratons, and to the southeast of the Singbhum Craton in the Indian shield. Along its western boundary, the EGMB granulites have been thrust westward as a nappe over the Bastar Craton along a mylonitic contact zone. Earlier studies considered the northern boundary of the EGMB with the Singhbhum Craton to be a thrust, although this interface is geometrically parallel to the west-directed transport direction of the granulitic nappe. Detailed geological studies along this northern margin reveal that the c. 1.0 Ga granulites of the EGMB do not share a direct contact with the Archaean granite-greenstone terrane of Singhbhum, but are actually juxtaposed against a Late Archaean (2.8–2.5 Ga) high grade terrane referred to as the Rengali Province. Structural studies reveal that the EGMB-Rengali Province contact has a WNW-ESE strike with sub-vertical dip, with prominent asymmetric markers indicating dextral strike-slip shearing along a horizontal transport vector. Microstructural studies indicate that fabric formation during strike-slip deformation is controlled by plastic deformation of quartz, while other minerals remained passive or deformed in a brittle manner. Electron Back-Scatter Diffraction (EBSD) studies on selected samples from the contact zone indicate that quartz deformed mostly by prism <a>, rhomb <a> and basal <a> slip, with asymmetry indicating dextral simple shearing. The Rengali Province samples show that earlier shortening (pure shear) microstructures and quartz CPO patterns were also sheared dextrally by this later deformation. These results confirm that the northern boundary of the EGMB is not a thrust, but a strike-slip shear zone that operated well after granulite metamorphism, and at lower temperatures characteristic of the greenschist facies. Shortening structures in the Rengali Province and the Singhbhum Craton are related to an older deformation event unrelated to emplacement of the EGMB. Gravity studies across the contact confirm that the shear zone continues vertically to a depth of at least 25 km. Thus, integrated geological and geophysical studies confirm the strike-slip nature of the craton-mobile belt boundary.
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References
Banerjee PK (1997) Geodynamic implications of chrome-poor enstatitite bodies in the Sukinda-Boula-Nousahi ultramafic suites of Orissa. Proc Indian Acad Sci (Earth Planet Sci) 106(4):357–360
Banerjee PK, Mahakud SP, Bhattacharya AK, Mohanty AK (1987) On the northern margin of the Eastern Ghats in Orissa. Rec Geol Surv India 118(2):1–8
Bhadra S, Gupta S, Banerjee M (2004) Structural evolution across the Eastern Ghats Mobile Belt-Bastar craton boundary, India: hot over cold thrusting in an ancient collision zone. J Struct Geol 26:233–245. https://doi.org/10.1016/S0191-8141(03)00112-3
Bhattacharya A, Das HH, Bell E, Bhattacharya A, Chatterjee N, Saha L, Dutt A (2016) Restoration of Late Neoarchean—Early Cambrian tectonics in the Rengali orogen and its environs (eastern India): the Antarctic connection. Lithos 263:190–212. https://doi.org/10.1016/j.lithos.2016.06.006
Bhattacharya S (1997) Evolution of Eastern Ghats granulite belt of India in a compressional tectonic regime and juxtaposition against Iron Ore Craton of Singhbhum by oblique collision—transpression. Proc Indian Acad Sci Earth Planet Sci 106:65–75. https://doi.org/10.1007/BF02839281
Biswal TK, Jena SK (1999) Large lateral ramp in the fold-thrust belts of Mesoproterozoic Eastern Ghats Mobile Belt, Eastern India. Gondwana Res 2:657–660
Biswal TK, Jena SK, Datta S, Das R, Khan K (2000) Deformation of the Terrane Boundary Shear Zone (Lakhna Shear Zone) between the Eastern Ghats Mobile Belt and the Bastar craton, in Balangir and Kalahandi districts of Orissa. J Geol Soc Ind 55:367–380
Biswal TK, Sinha S (2003) Deformation history of the NW salient of the Eastern Ghats Mobile Belt, India. J Asian Earth Sci 22:157–169
Biswal TK, De Waele B, Ahuja H (2007) Timing and dynamics of the juxtaposition of the Eastern Ghats Mobile Belt against the Bhandara craton, India: a structural and zircon U-Pb SHRIMP study of the fold-thrust belt and associated nepheline syenite plutons. Tectonics 26. https://doi.org/10.1029/2006TC002005
Black R, Liegeois J-P (1993) Cratons, mobile belts, alkaline rocks and continental lithospheric mantle: the Pan-African testimony. J Geol Soc 150:89–98. https://doi.org/10.1144/gsjgs.150.1.0088
Bose MK (2009) Precambrian mafic magmatism in the Singhbhum craton, Eastern India. J Geol Soc India 73:13–35. https://doi.org/10.1007/s12594-009-0002-3
Bose S, Das K, Kimura K, Hidaka H, Dasgupta A, Ghosh G, Mukhopadhyay J (2016) Neoarchean tectonothermal imprints in the Rengali Province, eastern India and their implication on the growth of Singhbhum craton: evidence from zircon U-Pb SHRIMP data. J Metamorph Geol 34:743–764. https://doi.org/10.1111/jmg.12201
Bose S, Guha S, Ghosh G, Das K, Mukhopadhyay J (2015) Tectonic juxtaposition of crust and continental growth during orogenesis: example from the Rengali Province, eastern India. Geosci Front 6:537–555. https://doi.org/10.1016/j.gsf.2014.09.002
Chattopadhyay S, Upadhyay D, Nanda JK, Mezger K, Pruseth KL, Berndt J (2015) Proto-India was a part of rodinia: evidence from Grenville-age suturing of the Eastern Ghats Province with the Paleoarchean Singhbhum craton. Precambr Res 266:506–529. https://doi.org/10.1016/j.precamres.2015.05.030
Chaudhuri T, Wan Y, Mazumder R, Ma M, Liu D (2010) Evidence of enriched, hadean mantle reservoir from 4.2–4.0 Ga zircon xenocrysts from Paleoarchean TTGs of the Singhbhum craton, Eastern India. Sci Rep 8:7069. https://doi.org/10.1038/s41598-018-25494-6
Chetty TRK (2010) Structural architecture of the northern composite terrane, the Eastern Ghats Mobile Belt, India: implications for Gondwana tectonics. Gondwana Res 18:565–582. https://doi.org/10.1016/j.gr.2010.02.006
Crowe WA, Nash CR, Harris LB, Leeming PM, Rankin LR (2003) The geology of the Rengali Province: implications for the tectonic development of northern Orissa, India. J Asian Earth Sci 21:697–710. https://doi.org/10.1016/S1367-9120(02)00034-2
Dasgupta S, Bose S, Das K (2013) Tectonic evolution of the Eastern Ghats Belt, India. Precambr Res 227:247–258. https://doi.org/10.1016/j.precamres.2012.04.005
Dobe R, Gupta S (2018) Discriminating tectonic and magmatic fabrics in the Remal Granite Gneiss: implications for terrane amalgamation processes in Southeastern Singhbhum, India. J Geol Soc India 92:657–660. https://doi.org/10.1007/s12594-018-1083-7
Dobmeier CJ, Raith MM (2003) Crustal architecture and evolution of the Eastern Ghats Belt and adjacent regions of India. Geological Society, London, Special Publications vol 206, pp 145–168. https://doi.org/10.1144/GSL.SP.2003.206.01.09
Fountain DM, Salisbury MH (1981) Exposed cross-sections through the continental crust: implications for crustal structure, petrology, and evolution. Earth Planet Sci Lett 56:263–277. https://doi.org/10.1016/0012-821X(81)90133-3
Ghosh G, Bose S, Das K, Dasgupta A, Yamamoto T, Hayasaka Y, Chakrabarti K, Mukhopadhyay J (2016) Transpression and juxtaposition of middle crust over upper crust forming a crustal scale flower structure: insight from structural, fabric, and kinematic studies from the Rengali Province, eastern India. J Struct Geol 83:156–179. https://doi.org/10.1016/j.jsg.2015.12.006
Ghosh G, Bose S, Guha S, Mukhopadhyay J, Aich S (2010) Remobilization of the southern margin of the Singhbhum craton, eastern India during the Eastern Ghats orogeny. Indian J Geol 80:97–114
Gibb RA (1983) Model for suturing of Superior and Churchill plates: an example of double indentation tectonics. Geology 11:413–417. https://doi.org/10.1130/0091-7613(1983)11%3c413:MFSOSA%3e2.0.CO;2
Gibb RA, Thomas MD, Lapointe PL, Mukhopadhyay M (1983) Geophysics of proposed proterozoic sutures in Canada. Precambrian Res 19:349–384. https://doi.org/10.1016/0301-9268(83)90021-9
Gupta S (2012) Strain localization, granulite formation and geodynamic setting of ‘hot orogens’: a case study from the Eastern Ghats Province, India. Geol J 47:334–351. https://doi.org/10.1002/gj.1328
Gupta S, Bhattacharya A, Raith M, Nanda JK (2000) Contrasting pressure–temperature–deformation history across a vestigial craton–mobile belt boundary: the western margin of the Eastern Ghats Belt at Deobhog, India. J Metamorph Geol 18:683–697. https://doi.org/10.1046/j.1525-1314.2000.00288.x
Harley SL (1987) Precambrian geological relationships in high-grade gneisses of the Rauer Islands, East Antarctica. Aust J Earth Sci 34:175–207. https://doi.org/10.1080/08120098708729404
Harley SL, Fitzsimons ICW, Zhao Y (2013) Antarctica and supercontinent evolution: historical perspectives, recent advances and unresolved issues. Geol Soc Lond Spec Publ 383:1–34. https://doi.org/10.1144/SP383.9
Hirth G, Tullis J (1992) Dislocation creep regimes in quartz aggregates. J Struct Geol 14:145–159. https://doi.org/10.1016/0191-8141(92)90053-Y
Katz MB (1985) The tectonics of Precambrian craton—mobile belts: progressive deformation of polygonal miniplates. Precambrian Res 27:307–319. https://doi.org/10.1016/0301-9268(85)90091-9
Khoza TD, Jones AG, Muller MR, Evans RL, Miensopust MP, Webb SJ (2013) Lithospheric structure of an archean craton and adjacent mobile belt revealed from 2-D and 3-D inversion of magnetotelluric data: example from southern Congo craton in northern Namibia. J Geophys Res Solid Earth 118:4378–4397. https://doi.org/10.1002/jgrb.50258
Li ZX, Bogdanova SV, Collins AS, Davidson A, De Waele B, Ernst RE, Fitzsimons ICW, Fuck RA, Gladkochub DP, Jacobs J, Karlstrom KE, Lu S, Natapov LM, Pease V, Pisarevsky SA, Thrane K, Vernikovsky V (2008) Assembly, configuration, and break-up history of Rodinia: a synthesis. Precambr Res 160:179–210. https://doi.org/10.1016/j.precamres.2007.04.021
Mahalik NK (1996) Lithology and tectonothermal history of the Precambrian rocks of Orissa along the eastern coast of India. J SE Asian Earth Sci 14:209–219. https://doi.org/10.1016/S0743-9547(96)00059-1
Mahapatro SN, Pant NC, Bhowmik SK, Tripathy AK, Nanda JK (2012) Archaean granulite facies metamorphism at the Singhbhum Craton-Eastern Ghats Mobile Belt interface: implication for the Ur supercontinent assembly. Geol J 47:312–333. https://doi.org/10.1002/gj.1311
Mandal A, Gupta S, Mohanty WK, Misra S (2015) Sub-surface structure of a craton-mobile belt interface: evidence from geological and gravity studies across the Rengali Province-Eastern Ghats Belt boundary, eastern India. Tectonophysics 662:140–152. https://doi.org/10.1016/j.tecto.2015.01.016
Mezger K, Cosca MA (1999) The thermal history of the Eastern Ghats Belt (India) as revealed by U-Pb and 40Ar/39Ar dating of metamorphic and magmatic minerals: implications for the SWEAT correlation. Precambr Res 94:251–271. https://doi.org/10.1016/S0301-9268(98)00118-1
Mishra S, Deomurari MP, Wiedenbeck M, Goswami JN, Ray S, Saha AK (1999) 207Pb/206Pb zircon ages and the evolution of the Singhbhum Craton, eastern India: an ion microprobe study. Precambr Res 93:139–151. https://doi.org/10.1016/S0301-9268(98)00085-0
Misra S, Gupta S (2014) Superposed deformation and inherited structures in an ancient dilational step-over zone: post-mortem of the Rengali Province, India. J Struct Geol 59:1–17. https://doi.org/10.1016/j.jsg.2013.11.004
Mukhopadhyay J, Ghosh G, Zimmermann U, Guha S, Mukherjee T (2012) A 3.51 Ga bimodal volcanics-BIF-ultramafic succession from Singhbhum Craton: implications for Palaeoarchaean geodynamic processes from the oldest greenstone succession of the Indian subcontinent. Geol J 47:284–311. https://doi.org/10.1002/gj.1314
Nash CR, Rankin LR, Leeming PM, Harris LB (1996) Delineation of lithostructural domains in northern Orissa (India) from Landsat Thematic Mapper imagery. Tectonophysics 260:245–257. https://doi.org/10.1016/0040-1951(95)00187-5
Olierook HKH, Clark C, Reddy SM, Mazumder R, Jourdan F, Evans NJ (2019) Evolution of the Singhbhum Craton and supracrustal provinces from age, isotopic and chemical constraints. Earth Sci Rev 193:237–259. https://doi.org/10.1016/j.earscirev.2019.04.020
Pant NC, Dasgupta S (eds) (2017) Eastern Ghats Mobile Belt. Crustal evolution of India and Antarctica: the supercontinent connection
Ranjan S, Upadhyay D, Abhinay K, Pruseth KL, Nanda JK (2018) Zircon geochronology of deformed alkaline rocks along the Eastern Ghats Belt margin: India-Antarctica connection and the Enderbia continent. Precambrian Res 310:407–424. https://doi.org/10.1016/j.precamres.2018.04.005
Rivers T, Martignole J, Gower CF, Davidson A (1989) New tectonic divisions of the Grenville Province, Southeast Canadian Shield. Tectonics. https://doi.org/10.1029/TC008i001p00063
Saha AK (1994) Crustal evolution of Singhbhum-North Orissa. Geological Society of India, Eastern India
Sawant AD, Gupta S, Clark C, Misra S (2017) The Rauer-Rengali connection in the Indo-Antarctica amalgam: evidence from structure, metamorphism and geochronology. Geol Soc Lond Spec Publ 457(SP457):9. https://doi.org/10.1144/SP457.9
Stipp M, Stünitz H, Heilbronner R, Schmid SM (2002) Dynamic recrystallization of quartz: correlation between natural and experimental conditions. Geological Society, London, Special Publications vol 200, pp 171–190. https://doi.org/10.1144/GSL.SP.2001.200.01.11
Tesha AL, Nyblade AA, Keller GR, Doser DI (1997) Rift localization in suture-thickened crust: evidence from bouguer gravity anomalies in northeastern Tanzania, East Africa. Tectonophysics 278:315–328. https://doi.org/10.1016/S0040-1951(97)00110-8
Upadhyay D, Raith MM (2006) Intrusion age, geochemistry and metamorphic conditions of a quartz-monzosyenite intrusion at the craton–Eastern Ghats Belt contact near Jojuru, India. Gondwana Res 10:267–276. https://doi.org/10.1016/j.gr.2006.02.011
Vernon RH (2004) A practical guide to rock microstructure. Cambridge University Press. https://doi.org/10.1017/CBO9780511807206
Zhao G, Sun M, Wilde SA, Li S (2004) A Paleo-Mesoproterozoic supercontinent: assembly, growth and breakup. Earth-Science Rev 67:91–123. https://doi.org/10.1016/j.earscirev.2004.02.003
Acknowledgements
SG thanks Prof. T. K. Biswal for the invitation to contribute to the Special Volume on “Structural Geology of Mobile Belts of Indian Subcontinent”, in commemoration of the IGC 2020, to be held at New Delhi. SG and WKM thank the Dept. of Geology & Geophysics, IIT Kharagpur, for providing facilities over the years that have culminated in this study. ADS and RD are grateful to the Council of Scientific and Industrial Research for the award of the S.P. Mukherjee Fellowship (No. SPM-06/081(0176)/2013-EMR-I), and Research Fellowship (No. 09/081(1242)/2015-EMR-I), respectively, which helped sponsor some of their fieldwork and analytical costs.
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Gupta, S., Dobe, R., Sawant, A.D., Misra, S., Mohanty, W.K. (2020). The Northern Margin of the Eastern Ghats Mobile Belt: Evidence for Strike-Slip Tectonics Along a Craton-Mobile Belt Boundary. In: Biswal, T., Ray, S., Grasemann, B. (eds) Structural Geometry of Mobile Belts of the Indian Subcontinent. Society of Earth Scientists Series. Springer, Cham. https://doi.org/10.1007/978-3-030-40593-9_7
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