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    Influence of dual sulfate reduction pathways on pore-fluid chemistry and occurrences of methane hydrate in sediment cores (IODP-353) off Mahanadi basin, Bay of Bengal 

    Peketi, A.; Mazumdar, A.; Pillutla, S.P.K.; Patil, D.J. (Geochemical Society of Japan, 2020)
    Pore fluid chemistry of sediment cores from two coring sites collected from Mahanadi basin (Bay of Bengal) during IODP-353 was studied to understand the intra-basinal variation in microbially mediated sediment biogeochemistry ...
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    Cryptic roles of tetrathionate in the sulfur cycle of marine sediments: microbial drivers and indicators 

    Subhrangshu, Mandal; Bhattacharya, S.; Roy, C.; Rameez, M.J.; Sarkar, J.; Mapder, T.; Fernandes, S.; Peketi, A.; Mazumdar, A.; Ghosh, W. (Copernicus Publications, European Geosciences Union, Germany, 2020)
    To explore the potential role of tetrathionate in the sedimentary sulfur cycle, population ecology of microorganisms capable of metabolizing this polythionate was revealed at 15-30 cm resolution along two, ~3 m long, cores ...
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    Contrasting sulfidization in the turbidite and hemipelagic sediments of Bengal Fan 

    Volvoikar, S.P.; Mazumdar, A.; Peketi, A.; Dewangan, P.; Sawant, B.; Manaskanya, A.; Goswami, H.; Das, D.; Pujari, S. (Elsevier Ltd, 2020)
    We report for the first time, contrasting sulfidization profiles in a sedimentary sequence comprising of clay-silt turbidites and hemipelagic dominated deposits in a channel-levee complex of the middle Bengal Fan. The ...
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    34S enrichment as a signature of thiosulfate oxidation in the " Proteobacteria " 

    Alam, M.; Fernandes, Svetlana; Mandal, Subhrangshu; Rameez, M.J.; Bhattacharya, Sabyasachi; Peketi, A.; Mazumdar, A.; Ghosh, W. (Oxford University Press (OUP), 2021)
    Kinetics of thiosulfate oxidation, product, and intermediate formation, and 34S fractionation, were studied for the members of Alphaproteobacteria Paracoccus sp. SMMA5 and Mesorhizobium thiogangeticum SJTT, the Betaproteobacteria ...
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    Provenance tracing of long-range transported dust over the Northeastern Arabian Sea during the southwest monsoon 

    Suresh, K.; Singh, U.; Kumar, Ashwini; Karri, D.; Peketi, A.; Ramaswamy, V. (Elsevier BV, 2020)
    One of the major pathways for dust supply to surface water of the Arabian Sea is via wet deposition, which is significant during southwest Monsoon (June-September). Aeolian dust supplies macro and micronutrients, which can ...
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    Fe and S-isotope compositions of hydrothermal deposits from Kings Triple Junction, Lau Basin, southwest Pacific Ocean 

    Ray, D.; Sreenivas, B.; SuryaPrakash, L.; Mazumdar, A.; Peketi, A.; Paropkari, A.L.; Balu, G. (Elsevier, 2021)
    We analyzed iron and sulfur isotopic compositions of polymetallic sulfides from an extinct hydrothermal mound near the Kings Triple Junction of the northern Lau basin belonging to a back-arc basin for understanding the ...
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    Geomicrobial dynamics of Trans-Himalayan sulfur-borax spring system reveals mesophilic bacteria's resilience to high heat 

    Roy, C.; Mondal, N.; Peketi, A.; Fernandes, S.; Mapder, T.; Volvoikar, S.P.; Haldar, P.K.; Nandi, N.; Bhattacharya, T.; Mazumdar, A.; Chakraborty, R.; Ghosh, W. (Springer, 2020)
    Geomicrobiology of sulfur-boron-dominated, neutral-pH hydrothermal systems was revealed in a Trans-Himalayan spring named Lotus Pond, located at 4436 m, in Puga Valley, Ladakh (India), where water boils at 85°C. Water ...
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    Microbiome and ecology of a hot spring-microbialite system on the Trans-Himalayan Plateau 

    Roy, C.; Rameez, M.J.; Haldar, P.K.; Peketi, A.; Mondal, N.; Bakshi, U.; Mapder, T.; Pyne, P.; Fernandes, S.; Bhattacharya, S.; Roy, R.; Mandal, Subhrangshu; ONeill, W.K.; Mazumdar, A.; Mukhopadhyay, S.K.; Mukherjee, Ambarish; Chakraborty, Ranadhir; Hallsworth, J.E.; Ghosh, Wriddhiman (Nature Research, 2020)
    Little is known about life in the boron-rich hot-springs of Trans-Himalayas. Here, we explore the geomicrobiology of a 4438-m-high spring which emanates ~70 °C-water from a boratic microbialite called Shivlinga. Due to low ...
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    Monsoon rainfall and contrasting source rocks influenced sediment composition of peninsular basins along the east coast of India (western Bay of Bengal) 

    Peketi, A.; Mazumdar, A.; Pillutla, S.P.K.; Rai, V.K.; Sawant, B.; Chaitanya, A.V.S.; Krishna, R. (Elsevier Ltd, 2020)
    The peninsular India is characterized by remarkable variation in lithological composition as well as contrasting rainfall distribution patterns. The erosional and weathering history of these source rocks along with monsoonal ...
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    Imprints of ancient recycled oceanic lithosphere in heterogeneous Indian Ocean mantle: Evidence from petrogenesis of Carlsberg ridge basalts from Northwest Indian Ocean 

    Saha, A.; Sensarma, S.; Hazra, A.; Ganguly, S.; Peketi, A.; Doley, B.; Mudholkar, A.V. (Elsevier Inc., 2020)
    This paper reports new petrological, geochemical and isotopic data for Carlsberg Ridge Basalts (CRB) of northwest Indian Ocean and evaluates their petrogenetic aspects in the context of the geochemical and tectonic evolution ...
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    Peketi, A. (12)
    Mazumdar, A. (10)Pillutla, S.P.K. (4)Dewangan, P. (3)Fernandes, S. (3)Ghosh, W. (3)Mapder, T. (3)Rameez, M.J. (3)Roy, C. (3)Bhattacharya, S. (2)... View MoreDate Issued2020 (8)2021 (4)Has File(s)
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