3 rivers merge into striking half-and-half waterway in Guyana — Earth from space
By Harry Baker
Published on March 3, 2026.
A satellite photo has been taken showing the multicolored merger of three rivers in Guyana, showing the contrasting colors at the point where three rivers converge. The Cuyuni River, the Mazaruni River and Essequibo River do not readily mix due to differing levels of sediment. The unique geology of Guyana is attributed to the unique hydrology of the Guiana Shield, a 1.7 billion-year-old geologic feature covering Guyana and parts of Venezuela, Brazil, Suriname, and French Guiana. The country's mining industry has contributed to this increase in sediment concentration in the Cuyun. The image was taken during a wet period of year when all three rivers were carrying a lot of sediment, but the Cunun is an outlier due to the intensity of mining upstream.
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