Marchena Island
Autor/Urheber:
Ed Vicenzi (Smithsonian Institution)
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A large tuff cone rises near Punta Calle on the southern coast of Marchena Island beyond fresh-looking lava flows west of the cone in the foreground. The low shield volcano forming Marchena Island contains one of the largest calderas of the Galápagos Islands. In contrast to other Galápagos volcanoes, the 6 x 7 km caldera and its outer flanks have been largely buried by a cluster of pyroclastic cones and associated lava flows. The first historical eruption of Marchena occurred in 1991.
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This image or file is a work of a Smithsonian Institution employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States.
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Public domain
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Marchena (Galápagos)Marchena ist eine der Galapagosinseln. Sie wurde nach Fray Antonio Marchena benannt und hat eine Fläche von 130 km². Der höchste Punkt der Insel ist etwa 343 Meter über dem Meeresspiegel gelegen. .. weiterlesen