- Dynamic and geochemical evolution of the lithospheric mantle beneath the Western Ross Sea, Antarctica. Cathleen Doherty's graduate research project.
- The role of magmatism during early stage rifting - a multidisciplinary, multinational study in the southern part of the East African Rift. Gary Mesko's graduate research project.
- Plate tectonic and geochemical evolution of the young Walvis Ridge and implications for African plate motion modeling, plume zonation and sources related to the African large low shear wave velocity province. Cruise website.
- Evolution of the Galapagos mantle plume.
Lamont Associate Research Professor
Lamont-Doherty Earth Observatory
Earth and Environmental Sciences
61 Route 9W - PO Box 1000
Fields of interest:
Solid Earth Geochemistry and Dynamics
Some of my current projects include:
Honors & Awards:
Otto-Hahn-Medal of the Max-Planck-Society, Germany 06/22/1995
Referenced in the Following News Items:
Metasomatism of the Pan-African lithospheric mantle beneath the Damara Belt, Namibia, by the Tristan mantle plume: geochemical evidence from mantle xenoliths Contributions to Mineralogy and Petrology Volume: 168 (2014) 10.1007/s00410-014-1046-y
Meter-scale Nd isotopic heterogeneity in pyroxenite-bearing Ligurian peridotites encompasses global-scale upper mantle variability Geology Volume: 41 p.: 1055-1058 (2013) 10.1130/g34438.1
How double volcanic chains sample geochemical anomalies from the lowermost mantle Earth and Planetary Science Letters Volume: 359-360 p.: 240-247 (2012) 10.1016/j.epsl.2012.09.057
Hotspot trails in the South Atlantic hospot controlled by plume and plate tectonic processes Nature Geoscience Volume: 5 p.: 735-738 (2012) 10.1038/NGEO1583
South Atlantic DUPAL anomaly - Dynamic and compositional evidence against a recent shallow origin Earth and Planetary Science Letters Volume: 305 p.: 92-102 (2011)
Osmium isotopes in Grande Comore lavas: constraints on EM-type mantle components Earth and Planetary Letters Volume: 284 p.: 219-227 (2009)
Ce anomalies in Gough Island lavas - Trace element characteristics of a recycled sediment component Earth and Planetary Science Letters Jan 30 Volume: 265 Issue: 3-4 p.: 475-486 (2008) DOI 10.1016/j.epsl.2007.10.030
Continental material in the shallow oceanic mantle - How does it get there? Geology Mar Volume: 34 Issue: 3 p.: 129-132 (2006) Doi 10.1103/G21943.1
Evolution of helium isotopes in the Earth's mantle Nature Aug 25 Volume: 436 Issue: 7054 p.: 1107-1112 (2005) Doi 10.1038/Nature03930
Distinguishing melt and fluid subduction components in Umnak volcanics, Aleutian Arc Geochemistry Geophysics Geosystems Volume: 1 Issue: 6 (2000) 10.1029/1999GC000010
Plume-lithosphere interactions in the ocean basins: constraints from the source mineralogy Earth and Planetary Science Letters Aug Volume: 150 Issue: 3-4 p.: 245-260 (1997)