 | | Journal (article/letter/editorial) | | Ultramafic-Mafic Complex from Jasra, Karbi Anglong, Shillong Plateau, Northeastern India Rajesh K. Srivastava*and...Proterozoic rocks of Shillong plateau at Jasra, Karbi Anglong district of Assam. It is associated to the fracture...magma) may be responsible for crystallization of Jasra alkaline ultramafic-mafic rocks. Key words: Alkaline...Alkaline ultramafic-mafic complex, geochemistry, Jasra, Shillong plateau, Kerguelen plume. Introduction...the northeastern India (Kumar et al., 1996). Four such complexes (Sung Valley, Jasra, Samchampi, and Swangkre) |  | Melluso, L., Srivastava, R. K., Petrone, C. M., Guarino, V., Sinha, A. K. (2012) Mineralogy and magmatic affinity of the Jasra intrusive complex, Shillong Plateau, India. Mineralogical Magazine, 76 (5) 1099-1117 doi:10.1180/minmag.2012.076.5.03 | Journal (article/letter/editorial) | | and magmatic affinity of the Jasra intrusive complex, Shillong Plateau, India L. MELLUSO1,*, R. K. SRIVASTAVA2...of Geology, Banaras Hindu University, Varanasi, India Department of Earth Sciences, Cambridge University...ABSTRACT The rocks of the Jasra intrusive complex (Shillong Plateau, northeastern India) include phlogopite...other accessory phases are variably associated. The Jasra intrusive rocks are cumulates derived from at least...distinct magmatic liquids. The potassic affinity of the Jasra rocks differs from the nearby Sung Valley ijolitic-carbonatitic |  | Saha, Abhishek, Ganguly, Sohini, Ray, Jyotisankar, Koeberl, Christian, Thöni, Martin, Sarbajna, C., Sawant, S.S. (2017) Petrogenetic evolution of Cretaceous Samchampi-Samteran Alkaline Complex, Mikir Hills, Northeastern India: Implications on multiple melting events of heterogeneous plume and metasomatized sub-continental lithospheric mantle. Gondwana Research, 48. 237-256 doi:10.1016/j.gr.2017.04.022 | Journal (article/letter/editorial) | | Samchampi-Samteran Alkaline Complex, Mikir Hills, Northeastern India: Implications on multiple melting events of heterogeneous...Samchampi-Samteran Alkaline Complex, Mikir Hills, Northeastern India: Implications on multiple melting events of heterogeneous...Samchampi-Samteran Alkaline Complex, Mikir Hills, Northeastern India: Implications on multiple melting events of heterogeneous...Science, Goa University Taleigao Plateau, Goa 403206, India M 2 AN National Institute of Oceanography (Council...Industrial Research) Dona Paula, Goa- 403 002, India 3 ED Department of Geology, University of Calcutta |  | Srivastava, Rajesh K., Guarino, Vincenza, Wu, Fu-Yuan, Melluso, Leone, Sinha, Anup K. (2019) Evidence of sub-continental lithospheric mantle sources and open-system crystallization processes from in-situ U–Pb ages and Nd–Sr–Hf isotope geochemistry of the Cretaceous ultramafic-alkaline-(carbonatite) intrusions from the Shillong Plateau, north-eastern India. Lithos, 330. 108-119 doi:10.1016/j.lithos.2019.02.009 | Journal (article/letter/editorial) | | intrusions from the Shillong Plateau, NorthEastern India Rajesh K. Srivastava, Vincenza Guarino, Fu-Yuan...intrusions from the Shillong Plateau, North-Eastern India, LITHOS, https://doi.org/10.1016/j.lithos.2019.02...intrusions from the Shillong Plateau, north-eastern India T Rajesh K. Srivastavaa, Vincenza Guarinob,* vincenza...Banaras Hindu University, Varanasi NU 221005, India b Federico II, I–80126 Napoli, Italy c MA Dipartimento...Beijing 100029, China d * CE Allahabad 211505, India PT Dr. K.S. Krishnan Geomagnetic Research Laboratory |  | | Journal (article/letter/editorial) | | R. Ramesh a a Physical Research Laboratory, India Published online: 16 Jul 2010. To cite this article:...Research Laboratory, Navrangapura, Ahmedabad 380 009, India Downloaded by [UQ Library] at 21:25 03 November...Carbonatites Age of Indian carbonatites Carbonatite in India was first discovered by Sukheswala and Udas (1963)...INDIAN CARBONATITES 19 FIG. 1. Schematic map of India (modified from Krishnamurthy et al., 2000), showing...Kutni-Beldih; 6 = Swangkre; 7 = Sung Valley; 8 = Jasra; 9 = Samchampi; 10 = Elchuru; 11 = Kunavaram; 12 |  | | Book | | Series Series Editor Satish C. Tripathi, Lucknow, India The Society of Earth Scientists Series aims to...Atmospheric Science University of Hyderabad Hyderabad, India ISSN 2194-9204 ISSN 2194-9212 (electronic) Society...Gewerbestrasse 11, 6330 Cham, Switzerland Foreword India is known since long to possess large reserves of...rich in light rare earth element. Exploration in India for Rare Earth Element (REE) deposits since the...the RE Industry in India largely through the initiative taken by the IREL (India) Limited, the Atomic |  | | Journal (article/letter/editorial) | | Group, Rm. 265, Navrangpura, Ahmedabad 380 009, India Received 11 November 1998; revised version received...recycled crustal carbon in carbonatites of Eastern India through a study of their stable isotope systematics...earlier studies Fig. 1. Sketch map of Eastern India showing the approximate locations of the Rajmahal...Swangkre; 2 D Sung Valley; 3 D Samchampi; 4 D Jasra) of Assam–Meghalaya Plateau. DF and BF are Dauki and...old Rajmahal–Bengal–Sylhet (RBS) CFB province of India (Fig. 1, [27,28]). Although these complexes were |  | | Journal (article/letter/editorial) | | natite complex, Shillong Plateau, Northeastern India: petrological and genetic significance Rajesh K...of Geology, Banaras Hindu University, Varanasi, India Received October 17, 2002; revised version accepted...Gwalani Summary The Shillong Plateau of northeastern India hosts four Early Cretaceous (105–107 Ma) ultram...are classified as calcite carbonatite with minor apatite, phlogopite, pyrochlore and ilmenite. The serpentinized...of the major structural features of Northeastern India. The Shillong Plateau, roughly rectangular in shape |  | Chaudhuri, Srinanda, Ray, Jyotisankar, Koeberl, Christian, Thöni, Martin, Dutta, Riya, Saha, Abhishek, Banerjee, Mousumi (2014) Petrology and geochemistry of the ultramafic-mafic Mawpyut complex, Meghalaya: a Sylhet trap differentiation centre in northeastern India. Geological Journal, 49 (2) 111-128 doi:10.1002/gj.2495 | Journal (article/letter/editorial) | | Sylhet trap differentiation centre in northeastern India SRINANDA CHAUDHURI1, JYOTISANKAR RAY1*, CHRISTIAN...Geology, University of Calcutta, Kolkata, 700 019, India Department of Lithospheric Research, University...trap located at Jaintia Hills district, Meghalaya, northeastern India. The Mawpyut complex occurs as...35 Ballygunge Circular Road, Kolkata- 700 019, India. E-mail: jsray65@hotmail.com in different parts...Sons, Ltd. S. CHAUDHURI ET AL. In northeastern India, several such ultramafic–mafic– alkaline–carbonatite |  | Paul Burgess, W., Yin, An, Dubey, Chandra S., Shen, Zheng-Kang, Kelty, Thomas K. (2012) Holocene shortening across the Main Frontal Thrust zone in the eastern Himalaya. Earth and Planetary Science Letters, 357. 152-167 doi:10.1016/j.epsl.2012.09.040 | Journal (article/letter/editorial) | | Department of Geology, Delhi University, Delhi 110007, India c Department of Geological Sciences, California...sciences. Although it is long known that the active India–Asia convergence rate increases eastward, how this...2010). Available GPS data indicate that northeast India at longitude 921E currently moves at a rate of 38...direction relative to stable Eurasia, whereas northwest India at longitude 761E moves at a rate of 35 mm/yr at...152–167 36oN 2005 Mw 7.6 Kashmir EQ 1897 Mw = 8.1 Assam EQ 32oN 2 3 Ma in 4 Fro nta l Th 5 6 ru |  | | Journal (article/letter/editorial) | | geochemistry of mafic dykes of Sylhet traps, Northeastern India, and their Kerguelen plume linkage Bibhas Sen 1...outpouring of Kerguelen plume active in the Northeastern India during the Cretaceous time along with that of the...Survey of India, Northeastern Region, Shylla Building, Nongrim Hills, Shillong 793003, India facilitate...basalt province of Sylhet traps in Northeastern India. The Sylhet traps is exposed as four dominant inliers...inliers in a narrow (60 km × 40 km) east–west band towards the southern fringe of Shillong Plateau. It |  | Liu, Zheng, Zhou, Qing, Lai, Yang, Qing, Chengshi, Li, Yingxu, Wu, Jianyang, Xia, Xiangbiao (2015) Petrogenesis of the Early Cretaceous Laguila bimodal intrusive rocks from the Tethyan Himalaya: Implications for the break-up of Eastern Gondwana. Lithos, 236. 190-202 doi:10.1016/j.lithos.2015.09.006 | Journal (article/letter/editorial) | | including Bunbury (Australia), Rajmahal-Bengal-Sylhet (India), lamprophyres and lamproites of MA the conjugate...belonging to the northeastern margin of Greater India. These magmatic rocks are coeval with the Bunbury...paleogeographically belonging to the CE P ―Greater India‖ (Zhu et al., 2008, 2013). The regional strata include...the lithosphere of ACCEPTED MANUSCRIPT Greater India (Zhu et al., 2007). The Laguila bimodal intrusive...P2O5 precludes fractionation of Ti–Fe oxides and apatite (Fig. 7). The Laguila mafic rocks present OIB-like |  | Srivastava, Rajesh K., Heaman, Larry M., Sinha, Anup K., Shihua, Sun (2005) Emplacement age and isotope geochemistry of Sung Valley alkaline–carbonatite complex, Shillong Plateau, northeastern India: implications for primary carbonate melt and genesis of the associated silicate rocks. Lithos, 81 (1) 33-54 doi:10.1016/j.lithos.2004.09.017 | Journal (article/letter/editorial) | | alkaline–carbonatite complex, Shillong Plateau, northeastern India: Implications for primary carbonate melt and genesis...Geology, Banaras Hindu University, Varanasi 221 005, India b Department of Earth and Atmospheric Sciences,...intrusions that occur in the Shillong Plateau, India. This complex comprises calcite carbonatite and...Keywords: Carbonatite; Silicate rocks; Sung Valley; India; U–Pb perovskite Age; Sr and Nd isotopes; Primary...ultramafic–alkaline–carbonatite complexes: (1) Sung Valley, (2) Jasra, (3) Samchampi, (4) Swangkre. (b) Geological map |  | | Journal (article/letter/editorial) | | mantle: peridotitic xenoliths from a melilititic district of the Sahara basin. Contrib. Mineral. Petrol...the nephelinites and carbonatites of the Buhere district, SE Zimbabwe. Earth. Planet. Sci. Lett. 158, 131...zircon/baddeleyite age for the Jasra igneous complex, Karbi-Analong District, Assam, NE India. Current Science 82... C., 2003. Trace element partitioning between apatite and carbonatite melt. Am. Mineral. 88, 639 – 646 |  | Minissale, Silvia, Zanetti, Alberto, Tedesco, Dario, Morra, Vincenzo, Melluso, Leone (2019) The petrology and geochemistry of Nyiragongo lavas of 2002, 2016, 1977 and 2017 AD, and the trace element partitioning between melilitite glass and melilite, nepheline, leucite, clinopyroxene, apatite, olivine and Fe-Ti oxides: a unique scenario. Lithos, 332. 296-311 doi:10.1016/j.lithos.2019.02.023 | Journal (article/letter/editorial) | | and melilite, nepheline, leucite, clinopyroxene, apatite, olivine and Fe-Ti oxides: a unique scenario Silvia...melilite, nepheline, leucite, clinopyroxene, olivine, apatite and magnetite, and are rich in fresh glass having...is composed by seven main volcanoes (from east to west: Muhavura, Gahinga, Sabinyo, Visoke, Karisimbi,...(Fe), Cr2O3 (Cr), rhodonite (Mn), orthoclase (K), apatite (P), fluorite (F), barite (Ba), strontianite (Sr)...performed in olivine, clinopyroxene, melilite, apatite, magnetite, nepheline, leucite and glass of selected |  | | Report (chapter) | | Origin of the Amba Dongar carbonatite complex, India and its possible linkage with the Deccan Large Igneous...016, India 2 Carbonatite Research Centre, Amba Dongar, Kadipani, District, Baroda 390 117, India 3 ...Geology, University of Lucknow, Lucknow 226 007, India *Correspondence: dpaul@iitk.ac.in Abstract: The...and Deccan basalts from Amba Dongar in western India, and probe the linkage between carbonatite and the...descriptions, major and trace element composition of apatite in carbonatite and nephelinite, analytical reproducibility |  | | Journal (article/letter/editorial) | | 2005), and detrital U–Pb age provenance analysis (Jasra et al., 2006), as well as other geological and geophysical...used in detrital U–Pb provenance analysis (e.g. Jasra et al., 2006) in that the number of components pb...acceleration of exhumation in the Shillong Plateau, India, indicating the initiation of plateau uplift. Below...geothermal gradient and kinetics of He diffusion in apatite. Since our model assumes the cooling ages depend...the distribution of detrital ages. We analyze an apatite (U–Th)/He dataset that consists of detrital samples |  | Wang, Yaying, Zeng, Lingsen, Asimow, Paul D., Gao, Li-E, Ma, Chi, Antoshechkina, Paula M., Guo, Chunli, Hou, Kejun, Tang, Suohan (2018) Early Cretaceous high-Ti and low-Ti mafic magmatism in Southeastern Tibet: Insights into magmatic evolution of the Comei Large Igneous Province. Lithos, 296. 396-411 doi:10.1016/j.lithos.2017.11.014 | Journal (article/letter/editorial) | | plagioclase, and ilmenite with accessory phases of apatite and titanite (Fig. 3). Ilmenite, the main Ti-bearing...~132 Ma mafic members of this LIP to the south and west of Dala are characterized by slightly more unradiogenic...this enriched component is the overlying Greater India subcontinental lithospheric mantle (SCLM), which...(~117-118 Ma) Rajmahal-Sylhel basalts in eastern India are widely viewed as products of the Kerguelen plume... 2011). In the eastern and northeastern PT E India, a variety of contemporaneous alkaline-carbonatitic |  | | Journal (article/letter/editorial) | | thermochronology are typically composed of minerals (e.g. apatite, zircon, titanite, etc.) with a wide variability...age is a structural defect in heavy minerals (apatite, zircon, titanite, etc.) rather than a daughter...the standards for apatite and zircon fission-track thermochronology are: Durango apatite 142 M.A. Bermúdez...Tuff apatite and zircon 27.87 0.5 Ma; Buluk Member zircon 16.4 70.2 Ma; Dromedary Mountain apatite and...natural samples, the U-concentration varies in both apatite and zircon crystals, which renders meaningless |  | Giri, Rohit Kumar, Pankaj, Praveer, Pandit, Dinesh, Sahoo, Samarendra, Chakrabarti, Ramananda, Chalapathi Rao, N V (2019) Pyroxenite dykes with petrological and geochemical affinities to the Alaskan-type ultramafics at the northwestern margin of the Cuddapah basin, Dharwar craton, southern India: Tectonomagmatic implications. Journal of Earth System Science, 128 (5). doi:10.1007/s12040-019-1153-2 | Journal (article/letter/editorial) | | of the Cuddapah basin, Dharwar craton, southern India: Tectonomagmatic implications Rohit Kumar Giri1...005, India. 2 Centre for Earth Sciences, Indian Institute of Science, Bengaluru 560 012, India. *Corresponding...of the Cuddapah basin, Dharwar craton, southern India, are reinvestigated. Petrography reveals that they...Alaskan-type ultramafics; Dharwar craton; southern India. 1. Introduction Pyroxenites are coarse-grained...well-studied Indian occurrences of pyroxenites include (i) Jasra complex, Shillong plateau (Srivastava and Sinha |  | | Journal (article/letter/editorial) | | Campus , Benito Juarez Road, New Delhi, 110 021, India b Turnstone Geological Services Ltd. , P.O. Box...Campus, Benito Juarez Road, New Delhi 110 021, India AND GRAHAM C. WILSON Downloaded by [Memorial University...nonmetallic resources from bauxite to gemstones. India is a major exporter of Fe ore, Mn ore, chromite...Exclusive Economic Zone (EEZ) around the shores of India totals 2,014,900 km 2 , 6 1 % the size of the landmass...e n t and the M i n e r a l I n d u s t r y i n India Geologic setting I n d i a is t h e s e v e n |  | Olierook, Hugo K.H., Taylor, Richard J.M., Erickson, Timmons M., Clark, Chris, Reddy, Steven M., Kirkland, Christopher L., Jahn, Inalee, Barham, Milo (2019) Unravelling complex geologic histories using U–Pb and trace element systematics of titanite. Chemical Geology, 504. 105-122 doi:10.1016/j.chemgeo.2018.11.004 | Journal (article/letter/editorial) | | geological history of the AC amalgamation of the West Australian Craton. Composed of Archean–Paleoproterozoic...Glenburgh Terrane with the Yilgarn Craton to form the West Australian Craton (Johnson et PT al., 2010; Johnson...samples. Inclusions or adjacent grains of PT apatite, feldspar, mica, quartz, amphibole (kaersutite)...Hutti greenstone belt, eastern Dharwar Craton, India. CE Journal of Asian Earth Sciences 79, 72-85...Diffusion in Accessory Minerals: Zircon, Titanite, Apatite, Monazite and Xenotime. Reviews in Mineralogy and |  | | Journal (article/letter/editorial) | | 74(l), 1994, pp g 9-86 Crustal evolution in south India: constraints from Nd isotopes N. B. W. Harris, M...5-l $ Jasra ultramafie-ma%-alkaline complex: a new find in the Shillon Plateau, northeastern india R. Mam89... Chemical Geology, 113(3-4), 1994, pp 205-220 Apatite in felsic rocks: a model for the estimation of...petroleum-associated ases in Krishna-Godavari Basin, India 5% Bane+, A. K. +Iittal, K. Agarwal, A. K. Uniyal...pp 5007-5015 Pyrolysis-gas from source Basin, India A. K. Garg 21(3-Q, 1994, A new method of determinin |  | Pagano, Diego Sebastián, Galliski, Miguel Ángel, Márquez-Zavalía, María Florencia, Novák, Milan, Škoda, Radek (2016) Petrography, Mineralogy, and Origin of the Syenite Pegmatitic Segregation Veins From La Peña Alkaline Complex, Mendoza, Argentina. The Canadian Mineralogist, 54 (4) 803-825 doi:10.3749/canmin.1600015 | Journal (article/letter/editorial) | | malignite, the concentration of primary crystals (apatite, clinopyroxene, Ba-Sr-rich K-feldspar, and nepheline)...3D). Scarce dark micas, clinopyroxene, titanite, apatite, sodalite, and disseminated and interstitial ore...and scarce clinopyroxene (Fig. 4E, F). Scarce apatite, titanite, interstitial sodalite, and magnetite...beam current of 20 nA (10 nA for zeolites and apatite), and a spot size of 2 to 7 lm (10 lm for zeolites)...potential, 20 nA beam current (10 nA for zeolites and apatite), 1 to 5 lm beam diameter (10 lm for zeolites) |  | | Journal (article/letter/editorial) | | –carbonatitic complexes and flood basalts in NE India: Origin in a heterogeneous Kerguelen plume Arundhuti...Bengal Basin as alkalic– ultrabasic intrusives in the west and Sikkim in the north, and Sylhet basalts and...alkalic complexes, Sung, Samchampi, and Barpung in NE India, and one in Sikkim to the north are of two groups:...Building, Govindpura, Bhopal 462023, Madhya Pradesh, India. 0016-7037/$ - see front matter Ó 2013 Elsevier...of the Sylhet and Rajmahal Traps in northeastern India. Also shown in gray is the extended Eastern Ghats |
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