The Iguazu Falls, in Buenos Aires, Argentina
The Iguazu Falls, in Buenos Aires, Argentina, are an impressive cascade of two steps formed by three layers of basalt, with heights of 35 and 40 meters. Located in the Serra Geral formation, their configuration is controlled by the resistance of the vesicular basalt. The falls are divided by numerous islands, creating multiple drops 60 to 82 meters high over 2.7 kilometers. The Devil's Throat, 80-90 meters wide and 70-80 meters deep, stands out, absorbing half of the river's flow. The junction of water flows marks the border between Brazil, Argentina and Paraguay, a tourist attraction. The arrangement of the falls forms an inverted "J", with the Devil's Throat marking the border between Argentina and Brazil. The right bank belongs to Brazil, while the banks on the left are Argentine.
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