Department of Geology
923 Robie Street
Halifax, Nova Scotia
B3H 3C3

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©2018 BY ORGANIC GEOCHEMISTRY LAB

DR. G. TODD VENTURA

 Associate Professor, Department of Geology & 

Canada Research Chair (Tier II) in Petroleum Systems, Geochemistry, and Reservoir Characterization, Saint Mary's University

Dr. Ventura's research fields include organic geochemistry, isotope geochemistry, and petroleum geochemistry. His research areas have included Guaymas Basin in the Gulf of California; sedimentary basins of Nova Scotia, including the Scotian Margin and marine source rock prospectivity of New Zealand.

PROFESSIONAL EXPERIENCE

ASSOCIATE PROFESSOR

2016 - Present

Organic and Petroleum Geochemistry

Saint Mary's University

Halifax, CA

SENIOR SCIENTIST

2011 - 2016

Organic and Petroleum Geochemistry
GNS Science
Wellington, NZ

POSTDOCTORAL RESEARCHER

December 2008 - 2010

Transition Metal Isotope Geochemistry

University of Oxford

Oxford, UK

Research: Stable isotopic analysis of vanadium and nickel organo-metal complexes with respect to their sequestration and stabilization in crude oils and sedimentary organic matter.

POSTDOCTORAL RESEARCHER

2006 - 2008

Organic Geochemistry

Woods Hole Oceanographic Institution

Woods Hole, USA

Research: Analysis of hydrothermally altered organic matter and the development of petroleum correlation techniques using comprehensive two-dimensional gas chromatography.

EDUCATIONAL EXPERIENCE

DOCTOR OF PHILOSOPHY

November 2006

Organic Geochemistry

University of Illinois at Chicago

Dissertation: Biomarker analysis and environmental reconstruction of the Late Archean Tisdale (2707 – 2705 Ma) and Porcupine (2685 – 2673 Ma) Assemblages of the Abitibi Greenstone Belt, Timmins, ON, Canada.

THE COMPOSITION, ORIGIN AND FATE OF COMPLEX MIXTURES IN THE MALTENE FRACTIONS OF HYDROTHERMAL PETROLEUM ASSESSED BY COMPREHENSIVE TWO-DIMENSIONAL GAS CHROMATOGRAPHY

2012

Ventura, G.T., Simonet, B., Nelson, R., Reddy, C.

Organic Geochemistry  45, 48-65

NANOAGGREGATES OF ASPHALTENES IN A RESERVOIR CRUDE OIL

2008

Betancourt, S.S., Ventura, G.T., Pomerantz, D., Viloria, O., Dubost, F.X., Purcell, J., Nelson, R.K., Rodgers, R.P., Reddy, C.M., Marshall, A.G., Mullins, O.C.

Energy & Fuels

THE COMPOSITION AND FORMATION OF UNRESOLVED COMPLEX MIXTURES IN LATE ARCHEAN SEDIMENTS ANALYZED BY COMPREHENSIVE TWO-DIMENSIONAL GAS CHROMATOGRAPHY (GC×GC)

2008

Ventura G.T., Kenig, F. Reddy, C., Nelson, R., Frysinger, G., and Gaines, R. 

Organic Geochemistry 39 (7), 846-867

BIODEGRADATION IN THE SUBSURFACE AS A SELECTIVE FILTER FOR NATURAL PETROLEUM EMISSIONS

2008

Wardlaw, G.D., Reddy, C.M., Nelson, R.K., Arey, J.S., Ventura, G.T., Valentine, D.L.

Environmental Science and Technology 42, 7166-7173

MOLECULAR EVIDENCE OF LATE ARCHEAN ARCHAEA AND THE PRESENCE OF A SUBSURFACE HYDROTHERMAL BIOSPHERE

2007

Ventura, G.T., Kenig, F., Reddy, C., Nelson, Schieber, S., Frysinger, G., and Gaines, R., Nelson, R., Schieber, S.

Proceedings of the National Academy of Sciences of the United States of America 104 (36), 14261-14266.

SELECTED PUBLICATIONS