Research Plan for 2002 Hawaii Cruise

(July 22) (August 3) (August 21)(Sept 1)

Non regional type researches

Sea beam bathymetry

Team leader: Barry Eakins

Hirano, Yokose, Takahshi, Kanamatsu, Robinson, Calgue, G.Moore, J. Morgan

Ship Board Geophysical Data (Gravity, magneticcs)

Team Leader: T. Kanamatsu

B.Eakins, G.Moore, J. Robinson, Morgan

Single Channel Seismic Profiles

Team leader: Greg Moore

Yokose, Takahashi, J.Morgan, B.Eakins

Mn Coating thickness around Hawaiian submarine rocks

J.G. Moore, D.Clague

Comparative glass geochemistry of Hawaiian submarine rocks

M. Coombs, T. Sisson, P. Lipman, Naka

Geological Evolution of Hawaiian islands. H. Yokose

Comparative picrite petrology around Hawaiian volcanoes

E.Takahashi and M Maruyama

Structure of Hawaiian Submarine ridges. B.Eakins, T. Kanamatsu

( bathymetry, gravity and magnetic data)

Comparative study of submarine slumps.

Lipman, Eakins, Coombs and Moragn

Volatiles in magma, their effect of crystallization and degassing mechanism of submarine Hawaiian lavas. M. Coombs, J. Hammer and T. Sisson

Noble gas geochemistry of submarine Hawaiian rocks. T.Hanyu

Submarine lava morphology and volcanic structures. S. Umino

Comparative study of Hawaiian hot spot with other LIPs　M. Coffin

Sedimentary petrology of volcanicastic materials. J. Naka

Regional Type Researches

Hana ridge (Team leader: K. Johnson)

Petrology and geochemistry of Hana Ridge volcanic rocks
Z-Y. Ren*, K.Johnson & E. Takahashi with T.Shibata & M.Yoshikawa,

( Petrology, Major & Trace element chemistry, Pb, Sr, Nd isotopes)

Noble gas and Hf isotope study of submarine Hana ridge rocks T.Hanyuu

Ar-Ar dating of submarine Hana ridge rocks N.Hirano

Structural Study of Hana Ridge B.Eakins (Seabeam, Gravity & SCS)

Geology of Hana Ridge S.Umino*, H.Yokose Z-Y. Ren and E.Takahashi

(J.R.Smith?, B.Eakins?)

Puna ridge

Petrology and Geochemistry Puna ridge rocks

Kevin Johnson* and Julia Hammer, +(N.Hirano, T.Hirata)

Hualalai (Team Leader: J.Hammer)

Petrology and geochemistry of submarine Hualalai volcano

Julia Hammer*, Kevin Johnson, M. Coombs, D. Clague, P. Lipman

South Kona (Team leader: H.Yokose)

Reconstruction of South Kona landslide (Team leader: H.Yokose)

Yokose*, Lipman J.G.Moore, Julia Morgan, Deana Borcher

Petrology and geochemistry Yokose, Hirano, Nakagawa

Internal structure and stratigraphy Moragn, Borcher

Sedimetology of post land slide deposits T. Kanamatsu

South Arch (Team leader: T.Hanyu)

Geology: Umino, Lipman and Hanyu

Petrology and geochemistry N.Hirano

Isotopes (Sr, Nd and Pb) T.Kani

Noble gass geochemistry T.Hanyu

Dating: ( )

Loihi (Team leader: Y.Orihashi)

Geology and geochemistry of Loihi volcano from deep section Y. Orihashi

Petrology and geochemistry of Loihi rocks Y.Orihashi,

Multi-isotope study (Sr, Nd, Pb, Li, Hf, U,Th) Y.Orihashi, Nakai

Noble gas, nitrogen and carbon isotopes study T. Matsumoto, J.Matsuda and Pinti

Dating

Unspiked K-Ar (Orihashi, Sumino, Nagao)

Ar-Ar dating (USGS?)

Mn coating and paragonite thickness (J.G.Moore)

Finding zircon (Orihashi + Kyoto FT)

Hilo Ridge (team leader: Lipman)

Geology, petrology and geochemistry (Lipman, Eakins, Coombs)

Isotope geochemistry ( )

Dating: Ar-Ar (USGS?)

Nuuanu Team leader: Yokose

Glass geochemistry J.G.Moore, D.Clague

Petrology and geochemistry E.Takahashi

Gelogic reconstruction H.Yokose, J.G.Moore, G.Moore, J.Morgan, E.Takahashi

Reconstruction of Nuuanu and Wailau landslides H. Yokose

South West Oahu Volcanic Field including Kawai Channel Team Leader: M.Nakagawa

Petrology & Geochemistry Nakagawa, Noguchi, D.Clague

Glass Geochemistry and study on volatiles M.Coombs & D.Clague

Dating K-Ar Noguchi & Itaya

Ar-Ar Hirano

Noble gas Hanyuu

Magma genesis and eruption model E.Takahashi

(based on petrology and experiments)

Structure of Southwest Oahu volcanic field Nakagawa, Coombs, (Moore, Takahashi, Clague)

North Arch Volcanic Field Team Leader: Dave Clague

Geologic Interpretation of North Arch

(Sea beam and Side Scan data combined with previous study on North Arch) Clague*, Hirano, Coombs, Eakins, Takahashi, Umino, G.Moore

Petrology and Geochemistry

N.Hirano, T.Hirata, D.Clague (T.Kani?)

Glass geochemistry and volatile analysis

M.Coombs D.Clague

Dating

Ar/Ar N.Hirano

Fossil age Hirano & Kawakami

Noble gas T.Hanyu

Magma genesis and eruption mechanism

(petrology and experiments) E.Takahashi

Waianae slumps

Geology of Waianae slumps G.Moore, J.Moore, M.Coombs D.Clague

Petology and geochemistry M.Coombs, D.Clague, M. Makagawa

Hilina (Team Leader: T. Sisson)

Alkalic pillow lava petrology and geochemistry

Kimura, Sisson, Coombs, Lipman

Eruption depths of early Kilauea magmas

Coombs, Sisson, Lipman, Kimura

Ar/Ar Ages of early Kilauea alkalic magmas

Lanphere, Calvert, Lipman, Sisson, Naka

Radiogenic isotope (Sr, Nd, Pd) study of early Kilauea samples

Kimura, Sisson

Differentiation processes in strongly alkalic Kilauea magmas

Sisson, Coombs, Kimura

Assimilation of hydrothermal fluid by Kilauea basaltic magma

Coombs, Sisson, Kimura

Volcano-tectonic development of Kilauea and the south flank of Mauna Loa

Lipman, Morgan, Sisson, Coombs, Naka, and others (probably multiple interpretations and papers)

Sedimentary and tectonic processes south of Hawaii Island

Naka, Kanamatsu, Lipman

Correlations of seismic data and dive observations

Morgan, Smith, Ui, Naka, Lipman (and others)

Kohala and Laupahoehoe (Team leader: J. Kimura)

Kimuta, Coombs, Moragn, Yokose

Geochemistry and Petrology, Coombs, Kimura

Landslide structural evolution, Moragn and Coombs

Geology of submarine Kohala volcanoe, Yokose, Lipman

Clarke landslide

Morphological study Morgan