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Dr. Jörg Geldmacher

IODP Expeditions

• Expedition 317: Canterbury Basin
• Expedition 309: Superfast Spreading Rate Crust 2

Previous Research Expeditions

• SO 169: Zealandia, R/V Sonne (2003)
• VULKOSA II: East Atlantic volcanism/ Alboran Sea, R/V Meteor (2001)
• KOMEX II: Sea of Okhotsk, R/V Akademik Lavrentyev (1998)
• POS 235: East Atlantic volcanism/ Alboran Sea, R/V Poseidon (1997)
• POS 232: Azores volcanism, R/V Poseidon (1997)
• SO 84: St. Helena Hotspot, R/V Sonne (1993)

Research

• General research interests:
  • Igneous geochemistry and geochronology (including Sr, Nd, Pb, Hf, O isotope geochemistry and radiometric age dating)
  • Geochemistry of oceanic volcanics and the composition of the Earth's mantle
  • Evolution of intraplate volcanism (including Large Igneous Provinces) and plate tectonic reconstructions
  • Hydrothermal and low-temperature alteration of oceanic crust
• Publications
• Curriculum Vitae

Professional Affiliations

• Adjunct Professor in the Dept. of Geology and Geophysics, Texas A&M University
• American Geophysical Union
• Deutsche Mineralogische Gesellschaft