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O’Brien, Hugh E., Ph.D.
Senior Research Scientist
Finland Isotope Geosciences Laboratory (SIGL)
Hugh O'Brien
 Work Address:
 
Geological Survey of Finland (GTK)
Betonimiehenkuja 4
02150, Espoo
FINLAND

Tel. +358 40 727 0949
E-mail: hugh.obrien_gtk.fi
 

Research interests:
  • Radiogenic isotope systems
  • Ore deposit dating
  • Kimberlites and diamonds

  Publications:
1: Huhma, Hannu; O'Brien, Hugh; Lahaye, Yann; Mänttäri, Irmeli 2011. Isotope geology and Fennoscandian lithosphere evolution. In: Geoscience for society : 125th anniversary volume. Geological Survey of Finland. Special Paper 49. Espoo: Geological Survey of Finland, 35-48. [Fulltext] [2.45 MB]
2: Väisänen, M.; Eklund, O.; Lahaye, Y.; O'Brien, H.; Fröjdö, S.; Lammi, M. 2010. Intra-orogenic Svecofennian magmatism in SW Finland : evidence from LA-ICP-MS zircon dating and geochemistry. In: Lithosphere 2010 : Sixth Symposium on the Structure, Composition and Evolution of the Lithosphere in Finland, Helsinki, October 27-28, 2010 : programme and extended abstracts. Institute of Seismology. University of Helsinki. Report S-55. Helsinki: Institute of Seismology, 151-154.
3: Romu, I.; Luttinen, A.; Kurhila, M.; O'Brien, H.; Jacobs, J. 2010. Recent studies on Vestfjella ultrapotassic dyke swarm, western Dronning Maud Land, Antarctica. In: 29th Nordic Geological Winter Meeting, Oslo, January 11-13, 2010. NGF abstracts and proceedings of the Geological Society of Norway 1. Trondheim: Norsk Geologisk Forening, 162-163.
4: O'Brien, H. E. 2010. Craton mantle roots : do we really know how they form and how old they are?. In: Lithosphere 2010 : Sixth Symposium on the Structure, Composition and Evolution of the Lithosphere in Finland, Helsinki, October 27-28, 2010 : programme and extended abstracts. Institute of Seismology. University of Helsinki. Report S-55. Helsinki: Institute of Seismology, 93-97.
5: O'Brien, H.; Lehtonen, M.; Peltonen, P. 2010. Karelian craton mantle root formation. In: Lithosphere 2010 : Sixth Symposium on the Structure, Composition and Evolution of the Lithosphere in Finland, Helsinki, October 27-28, 2010 : programme and extended abstracts. Institute of Seismology. University of Helsinki. Report S-55. Helsinki: Institute of Seismology, 99-103.
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Education:
Ph.D., Geology, University of Washington, Seattle, 1988
B.S., Geology, University of Minnesota, Minneapolis, 1982

Work history:  
2005 - Senior Research Scientist, Research Laboratory, Geological Survey of Finland
1997 - 2005 Senior Research Scientist, Ore Geology Research, Geological Survey of Finland
1991 - 1996 Research Scientist, ICP-MS laboratory, University of Washington
1988 - 1991 Research Scientist, Electron Microprobe Laboratory, Geological Survey of Finland

Recent and ongoing research activities:
2006 - LA-MC-ICPMS laboratory development, GTK
1997 - 2005 Bedrock geology and metallogenic modeling, GTK
1993 - 1996 J-M Reef Genesis, Stillwater Complex, Montana, UW
1991 - 1994 Lunar magma ocean cooling rate modeling, UW
1988 - 1991 Ilomantsi gold project, GTK

Other scientific activities:
  • 1997 - Consulting for various diamond exploration and production companies

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