［Members of the NIPR SHRIMP Laboratory］

［Director of Polar Research Resource Center, NIPR］

Name	Position title & Academic degree	Scientific field	Special Interesting
Tomokazu Hokada［Profile ］	Professor, Ph.D.	Geology and petrology	・Deep crustal processes including high-temperature and ultrahigh-temperature metamorphism, geofluid activity and crustal melting. ・Behaviour of accessory minerals, and its implications for the linkage beteen geochronology and geochemistry. ・Neoproterozoic-early Paleozoic Gondwana supercontinent formation and evolution in view from Antarctica and the surrounding regions. ・Crustal processes and history in Archaean.

Name	Position title＆Academic degree	Scientific field	Special Interesting
Kenji Horie［Profile ］	Assistant Professor, Ph.D.	Isotope geochemistry	・Research of elemental migration behavior using isotopic tracer ・Development of in-situ high-precision U-Pb isotopic geochronology ・Research of continental evolution process
Mami Takehara［Profile ］	Project Researcher, Ph.D.	Isotope geology	・Improvement of analytical precision and development of analytical method of U-Pb geochronology using SHRIMP ・Invesitigation of fine timescales of magma process by high-precision U-Pb zircon geocholonology