Summary Potassium-argon ages measured on 11 volcanic rocks, mainly lavas, from Tristan da Cunha range from 0.21 ± 0.01 to 0.01 ± 0.02 Ma, and confirm the youthfulness of this volcano, which lies on the Walvis Ridge just to the east of the crest of the Mid Atlantic Ridge.
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McDougall et al. (1982) studied this question.
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