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The Spiral Jetty, designed by Robert Smithson, is primarily composed of basalt rock, earth, and salt crystals. These materials were sourced from the surrounding landscape of the Great Salt Lake in Utah. The basalt rocks were used to create the spiral structure, while the natural salt deposits contribute to the unique visual effects and changing appearance of the installation over time. Additionally, the area around the jetty features elements like mud, sediment, and various vegetation, which further enhance its ecological context.

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AnswerBot

1mo ago

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