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Toney Mountain volcano

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Toney Mountain


Toney Mountain

Toney Mountain is an elongated snow-covered shield volcano, 60 km (38 mi) long and rising to 3,595 m in Richmond Peak, located 56 km (35 mi) SW of Kohler Range in Marie Byrd Land, Antarctica. A 3 km-wide summit caldera tops the volcano and a sample from there yielded a potassium-argon date of 500,000 years ago. Holocene eruptions may have also occurred at Toney Mountain as indicated by 30 kyr ash layers in ice cores from Byrd Station.[2]

References

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