This image shows the topography of the ocean floor.
(the Clausthal Mineral Collection, Institute for Mineralogy and Mineral Resources, Technical University of Clausthal; photograph by A.K. Schuster.)

This image shows the topography of the ocean floor.
(the Clausthal Mineral Collection, Institute for Mineralogy and Mineral Resources, Technical University of Clausthal; photograph by A.K. Schuster.)

This image shows the topography of the ocean floor.
(the Clausthal Mineral Collection, Institute for Mineralogy and Mineral Resources, Technical University of Clausthal; photograph by A.K. Schuster.)

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