Edward Keppens, Prof. Dr. Doctor in de Wetenschappen, 1981, Vrije Universiteit Brussel.   Professional experience 1986-present : Professeur of Geology, Vrije Universiteit Brussel. 1985: Postdoctoral researcher, Chemistry Dept. Universiteit Antwerpen 1983-1984: NATO research Fellow, U.S. Geological Survey Menlo Park (CA) and Denver (CO) 1981-1982: CNRS Research Fellow, Centre de Géochimie et de Sédimentologie de la Surface Strasbourg, France 1973-1981: Teaching Assistant, Vrije Universiteit Brussel, Dept. of Geology 1971-1972: Research Assistant, Royal Museum Central Africa

Research interest

Stable and radiogenic isotope geology, paleoclimate and paleoenvironment reconstructions.

Curent research projects

Stable isotope analyses, by high precision isotope ratio mass spectrometry of hydrogen, carbon, nitrogen and oxygen, for research in earth and environmental sciences and archaeology

Validation of alternative marine calcareous skeletons as recorders of global climatic change

Selected recent scientific publications

E. DUFOUR, C. HOLMDEN, W. VAN NEER, A. ZAZZO, W. P. PATTERSON, P. DEGRYSE, E. KEPPENS, (2007), Oxygen and strontium isotopes as provenance indicators of fish at archaeological sites: the case study of Sagalassos, SW Turkey. Journal of Archeological Sciences, 34, 1226 - 1239.

M. SLOBODNIK, P. MUCHEZ, J. KRAL, E. KEPPENS, (2006), Variscan veins: record of fluid circulation and Variscan tectonothermal events in Upper Palaeozoic limestones of the Moravian Karst, Czech Republic. Geological Magazine 143 (4): 491-508.

S. VERHEYDEN, J. M. BAELE1, E. KEPPENS, D. GENTY, O. CATTANI, H. CHENG, L. EDWARDS, H. ZHANG, M. VAN STRIJDONCK, Y. QUINIF (2006), The Proserpine Stalagmite (Han-Sur-Lesse Cave, Belgium): Preliminary Environmental Interpretation of The Last 1000 Years as Recorded in a Layered Speleothem, Geologica Belgica, 9/3, 245 - 256.

D. P. GILLIKIN, A. LORRAIN, J. NAVEZ, J. W. TAYLOR, E. KEPPENS, W. BAEYENS, F. DEHAIRS (2005). Strong biological controls on Sr/Ca in aragonitic marine bivalve shells. Geochemistry Geophysics Geosystems 6: Art. No. Q05009 doi:10.1029/2004GC000874.

D. P. GILLIKIN; F. DE RIDDER, H. ULENS, M. ELSKENS, E. KEPPENS, W. BAEYENS, F. DEHAIRS (2005). Assessing the reproducibility and reliability of estuarine bivalve shells (Saxidomus giganteus) for sea surface temperature reconstruction: Implications for paleoclimate studies. Palaeogeography Palaeoclimatology Palaeoecology 228 (1-2): 70-85.

P. NIELSEN, P; MUCHEZ, W. HEIJLEN, A. E. T. FALLICK, E. KEPPENS, D. WEIS, R. SWENNEN (2005) Columnar calcites as testimony of diagenetic overprinting at the boundary between Upper Tournaisian dolomites and limestones (Belgium): multiple origins for apparently similar features. Sedimentology 52 (5): 945-967.

G. VERHAERT, P. MUCHEZ, P; M. SINTUBIN, D. SIMILOX-TOHON, S. VANDYCKE, E. KEPPENS, E. J. HODGE, D. A (2004) Origin of palaeofluids in a normal fault setting in the Aegean region. GEOFLUIDS 4 (4): 300-314.

P. J. FELDER, E. KEPPENS, B. DECLERCQ, S. NORMAND, M. STREEL, (2003), Faunal/floral and isotopic responses to Milankovitch precession cycles and environmental changes in the upper Gulpen Formation (Upper Maastrichtian) at the CBR-Lixhe and ENCI-Maastricht bv quarries. Netherlands Journal of Geosciences-Geologie en Mijnbouw 82 (3): 275-281.

 W. HEIJLEN, P. MUCHEZ, D. A. BANKS, J. SCHNEIDER, H. KUCHIA, E. KEPPENS, (2003), Carbonate-hosted Zn-Pb deposits in Upper Silesia, Poland: Origin and evolution of mineralizing fluids and constraints on genetic models. Economic Geology 98 (5): 911-932

A. SMEESTERS, P. MUCHEZ, E. KEPPENS, (2003), Diagenesis at exposure surfaces in a transgressive systems tract in a third-order sequence (Lower Carboniferous, Belgium). Journal of Geochemical Exploration 78-9: 565-569.

R. MAGIONCALDA, C. DUPUIS, D. BLAMART, M. FAIRON-DEMARET, M. PERREAU, M. RENARD, J. RIVELINE, M. ROCHE, E. KEPPENS, (2001), The Palaeocene/Eocene isotopic excursion of organic carbon (delta C-13(org)) in the continental palaeoenvironment at Varangeville (Haute-Normandie, Paris basin) Bulletin De La Societe Geologique De France 172 (3): 349-358.

S. VERHEYDEN, E. KEPPENS, I. FAIRCHILD, F. McDERMOTT and D. WEIS (2000) Sr isotope geochemistry of a Belgian Holocene speleothem: implications for paleoclimate reconstruction. Chemical Geology, 169: 131 - 144.

L. HELLINGS, K. VAN DEN DRIESSCHE, W. BAEYENS, E. KEPPENS, and F. DEHAIRS (2000) Stable carbon isotope tracking dissolvad inorganic carbonsources in interstitial waters of freshwater intertidal areas of a highly polluted estuary. Biogeochemistry, 51: 141 - 160.

C. LAZARETH, F. DEHAIRS, L. ANDRE, Ph. WILLENZ, and E. KEPPENS (2000) Scelerosponges as a new potential recorder of environmental changes: Lead in Ceratoporella nicholsoni. Geology, 28 (6): 515 - 518. (click here for pdf version)

E. VENDER PUTTEN, F. DEHAIRS, E. KEPPENS, and W. BAEYENS (2000) High resolution distribution of trace elements in the calcite shell layer of modern Mytilus edulis: environmental and biological controls. Geocim. Cosmochim. Acta, 64(6): 997 - 1011.

M. DE CRAEN, R. SWENNEN, E. KEPPENS, C. I. MACAULAY, and K. KARIAKOULAKIS (1999) Bacterially mediated formation of carbonate concretions in the Oligocene Boom Clay of northern Belgium. J. Sed. Research, 69(6): 1098-1106.

L. CORVAGLIA, P. BONTEMS, J.-M. DEVASTER, P. HEIMANN, Y. GLUPCZYNSKI, E. KEPPENS, and S. CADRANEL (1999) Accuracy of serology and 13C-urea breath test for detection of Helicobacter pylori in children. Pediatr. Infect. Dis. J., 18: 976-979.

M. DE CRAEN, R. SWENNEN, and E. KEPPENS (1999) Petrography and geochemistry of septarian carbonate concretions from the Boom Clay Formation (Oligocene, Belgium). Geol. en Mijnbouw, 77: 63-76.

F. MCDERMOTT, S. FRISIA, Y. HUANG, A. LONGINELLI, B. SPIRO, T. H. E. HEATON, C. J. HAWKESWORTH, A. BORSATO, E. KEPPENS, I. J. FAIRCHILD, K. VAN DER BORG, S. VERHEYDEN, and E. SELMO (1999) Holocene climate variability in Europe: Evidence from ¶18O, textural and extention-rate variations in three speleothems. Quatern. Sci. Rev., 18: 1021-1038.

L. HELLINGS, F. DEHAIRS, M. TACKX, E. KEPPENS, and W. BAEYENS (1999) Origin and fate of organic carbon in the freshwater part of the Scheldt Estuary as traced by stable carbon isotope composition. Biogeochemistry, 47: 167-186.

A. JANSSEN, R. SWENNEN, N. PODOOR, and E. KEPPENS (1999) Biological and diagenetic influence in Recent and fossil tufa deposits from Belgium. Sedimentary Geology, 126: 75-95.

D. GENTY, M. MASSAULT, M. GILMOUR, A. BAKER, S. VERHEYDEN, and E. KEPPENS (1999) Calculations of past dead carbon proportionand variability by the comparison of AMS 14C and TIMS U/Th ages on two Holocene stalagmites. Radiocarbon, 41 (3): 251-270.