7-8. Research Plan for Leg2B-1 (South Arch)

(Dive K217)

Group Leader T.Kani

Geology of South Arch lava
E.Takahashi, P.Lipman (S.Umino) Sea beam, Side scan sonar, ROV dive observation

Geochemistry of South Arch lava
E.Takahashi (petrology)
T.Kani (Bulk chemistry, major, trace and isotopes, Pb, Sr and Nd)
M.Coombs (glass geochemistry, volatile contents)
T.Hanyuu (rare gasses)
Orihashi (unspiked K-Ar dating)

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