This unbound logbook contains detailed data logs for Eltanin cruise 12 from March 13 to April 18, 1964. Also included is an envelope stapled to the cover verso (back of the cover) containing a graph ...

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[pt. 1] An account of the organic origin of so-called igneous rocks and of abyssal red clays.--pt. 2. The genesis of the igneous rocks and of meteorites (plankton and benthos)--pt. 3. The ocean floor ...