Large, abundant plagioclase crystals dominate samples from Hector and Omura Guyots. Shown here is sample D38-01, as a whole rock on the left, as a thin section slab in the center and in plane- and cross-polarized light on the right (Scale: standard thin section size of 27 x 46 mm). Read more about the Walvis Ridge Project.
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Seagoing Cruise MV1203 to the Walvis Ridge seamount trail sailed in February-March 2012 and mapped 49 seamounts and placed in total 62 dredges, of which 47 contained relatively fresh basaltic rocks. Project Overview The Walvis Ridge is a hotspot-related seamount trail in the South Atlantic, and one of the most striking seafloor features on the African plate. The old end of the trail, beginning...
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A large iron dredge bucket is used to scrape rocks from the flanks of seamounts. Shown here are sediments and manganese crusts falling from the bucket as it is emptied on the deck after a dredge. Read more about the Walvis Ridge Project.
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A map showing available ages for the young and old portions of the Walvis Ridge as well as the Etendeka flood basalt province, which is thought to signal the start of plume volcanism for the Walvis Ridge. Read more about the Walvis Ridge Project.
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