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Laboratoire G-Time (ULB)
This institute is the successor of the institute underneath
Isotope Geochemistry, Geochemistry, Petrology (ULB), more

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English name: Laboratory G-Time
Parent institute: Université Libre de Bruxelles; Faculté des Sciences; Département des Sciences de la Terre et de l'Environnement (ULB-DSTE), more
CP 160/02
Avenue F.D. Roosevelt 50
1050 Brussels

Tel.: +32-(0)2-650 22 36
Fax: +32-(0)2-650 37 48

Persons (8)  Top | Publications | Project 

The laboratory G-Time (Geochemistry: Tracing with Isotopes, Minerals and Elements) of the Université Libre de Bruxelles (ULB) was founded in 2001 and was formerly known as the research unit IPE ‘Isotopes: Petrology and Environment’. This group conducts research, by means of isotopic measurements, on metal biogeochemical cycles, igneous and sedimentary petrology, palaeoenvironmental reconstruction, and inter-laboratory comparison and isotopic characterisation of standard reference material. Within this scope, the group is specialised in non-traditional stable isotopes such as Fe, Zn, Cu, Cd, etc.

The research group works in close collaboration with other laboratories of the ULB, Université Catholique de Louvain, University of Liège, Royal Museum for Central Africa and the Royal Belgium Institute of Natural Sciences. The group also collaborates with international institutes from France (Toulouse, Grenoble, Lille), the Netherlands (Royal Netherlands Institute for Sea Research), United Kingdom (Oxford), Canada (PCIGR), Portugal, etc.

In the marine field, the laboratory focuses on the following research topics:
- Contribution of Cu, Zn, Fe, Cd isotopes together with Pb isotopes to the study of metal fluxes in the Belgian North Sea, based on inputs from estuaries and aerosol emissions from coastal industries;
- Marine biogeochemical cycle of Fe and other trace metals (and their isotopes) in the polar regions;
- Igneous and sedimentary petrology: research on the Kerguelen mantle plume (in the Indian Ocean), mantle plumes in the Atlantic Ocean and subduction zones.

In the future, G-Time will further focus on the study of biochemical cycles and on tracing the source of trace metals in the atmosphere, seawater, lithosphere and in old sediments. The research unit also develops expertise in planetology and early Earth environments (early crust, interactions between different planetary reservoirs through time and early life on Earth).

Publications (10)  Top | Persons | Project 
    ( 10 peer reviewed ) split up filter
  • Peer reviewed article Wasilewski, B.; Doucet, L.S.; Moine, B.; Beunon, H.; Delpech, G.; Mattielli, N.; Debaille, V.; Delacour, A.; Grégoire, M.; Guillaume, D.; Cottin, J.-Y. (2017). Ultra-refractory mantle within oceanic plateau: petrology of the spinel harzburgites from Lac Michele, Kerguelen Archipelago. Lithos 272-273: 336-349., more
  • Peer reviewed article De Jong, J.T.M.; Stammerjohn, S.; Ackley, S.; Tison, J.-L.; Mattielli, N.; Schoemann, V. (2015). Sources and fluxes of dissolved iron in the Bellingshausen Sea (West Antarctica): the importance of sea ice, icebergs and the continental margin. Mar. Chem. 177(Part 3): 518-535., more
  • Peer reviewed article Petit, J; Schafer, J; Coynel, A; Blanc, G; Chiffoleau, F; Auger, D; Bossy, C; Derriennic, H; Mikolaczyk, M; Dutruch, L; Mattielli, N. (2015). The estuarine geochemical reactivity of Zn isotopes and its relevance for the biomonitoring of anthropogenic Zn and Cd contaminations from metallurgical activities: example of the Gironde fluvial-estuarine system, France. Geochim. Cosmochim. Acta 170: 108-125., more
  • Peer reviewed article Fagel, N.; Not, C; Gueibe, J; Mattielli, N.; Bazhenova, E (2014). Late Quaternary evolution of sediment provenances in the Central Arctic Ocean: mineral assemblage, trace element composition and Nd and Pb isotope fingerprints of detrital fraction from the Northern Mendeleev Ridge. Quat. Sci. Rev. 92: 140-154., more
  • Peer reviewed article Panizzo, V; Crespin, J; Crosta, X; Shemesh, A; Masse, G; Yam, R; Mattielli, N.; Cardinal, D. (2014). Sea ice diatom contributions to Holocene nutrient utilization in East Antarctica. Paleoceanography 29(4): 328-342., more
  • Peer reviewed article de Jong, J.; Schoemann, V.; Maricq, N.; Mattielli, N.; Langhorne, P.; Haskell, T.; Tison, J.-L. (2013). Iron in land-fast sea ice of McMurdo Sound derived from sediment resuspension and wind-blown dust attributes to primary productivity in the Ross Sea, Antarctica. Mar. Chem. 157: 24-40., more
  • Peer reviewed article de Jong, J.; Schoemann, V.; Lannuzel, D.; Croot, P.; de Baar, H.; Tison, J.-L. (2012). Natural iron fertilization of the Atlantic sector of the Southern Ocean by continental shelf sources of the Antarctic Peninsula. J. Geophys. Res. 117(G01029): 25., more
  • Peer reviewed article de Jong, J.; Schoemann, V.; Lannuzel, D.; Tison, J.-L.; Mattielli, N. (2008). High-accuracy determination of iron in seawater by isotope dilution multiple collector inductively coupled plasma mass spectrometry (ID-MC-ICP-MS) using nitrilotriacetic acid chelating resin for pre-concentration and matrix separation. Anal. Chim. Acta 623(2): 126-139., more
  • Peer reviewed article Petit, J.C.J.; de Jong, J.; Chou, L.; Mattielli, N. (2008). Development of Cu and Zn isotope MC-ICP-MS measurements: application to suspended particulate matter and sediments from the Scheldt Estuary. Geostand. Geoanal. Res. 32(2): 149-166., more
  • Peer reviewed article Schoemann, V.; De Jong, J.T.M.; Lannuzel, D.; Tison, J.-L.; Delille, B.; Chou, L.; Lancelot, C.; Becquevort, S. (2008). Microbiological control on the cycling Fe and its isotopes in Antarctic sea ice. Geochim. Cosmochim. Acta 72(12): A837-A837, more

Project  Top | Persons | Publications 
  • Applications of new isotopic systems Cu, Zn, Fe in complement with Pb isotopes  to trace metal supplies in continental anthropogenic (Schelde Estuary) and  natural environments (Peats in Fagnes), more

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