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Dr. Jörg Geldmacher

Staff Scientist
Integrated Ocean Drilling Program
Texas A&M University
1000 Discovery Drive
College Station, Texas 77845-9547
Phone: (979) 845-0506
Fax: (979) 845-0876
geldmacher@iodp.tamu.edu

staff photo

IODP Expeditions

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



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