Expedition 343: Call for Scientists
Japan Trench Fast Drilling Project (JFAST)
April 2012 - May 2012
Application Deadline: November 18, 2011
Expedition Goals: The expedition goal is to drill ~1000 mbsf into the fault zone of the Tohoku Earthquake (~7000 mbsl), collect core and LWD data, and emplace a “CORK”-type observatory.
(1) What was the stress state on the fault that controls rupture during the earthquake and was the stress completely released? Time decaying temperature measurements will be used to estimate the frictional heat produced at the time of the earthquake, which can be used to infer the level of dynamic friction. Rupture to the toe of accretionary wedge; measurements of current stress and stress during the earthquake can be used to explore different models to explain how dynamic slip occurred.
(2) What are the characteristics of large earthquakes in the fault zone, and how can we distinguish present and past events in fault zone cores? Evidence of melting and other processes that contribute to dynamic strength reduction will be looked for in core samples. Trace elements will be used to estimate the thermal history of the recent and past events. High-speed friction and petrophysical experiments on fault material can be used to characterize the frictional behaviour of the fault.
Application Process: Scientists interested in participating please consult the
Required documents (PDF only) are:
1) a CV
2) a letter of interest including your specific expertise, previous involvement in DSDP/ODP/IODP expeditions, research interest
3) a publication list
Young researchers must additionally provide a letter of support from their host institution including information on the post-cruise science support: How to achieve the proposed scientific objectives in the future (funding scheme and support from host institution).
Please send a copy of your application documents to the IODP-Canada office (). Please send your documents at least one week prior to the deadline if you wish to receive feedback or assistance.