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Wandering Wedges Far from Home
Rock&Gem Magazine
|June 2026
They've been considered geological curiosities: islands, like Zabargad in the Red Sea or Christmas Island in the Indian Ocean, composed of continental rock surrounded by very different oceanic rock.
Such islands are scattered around the world, wedges of continental material sometimes thousands of kilometers from the nearest continent. Now, this curious situation may be explained. Writing in the journal
Cette histoire est tirée de l'édition June 2026 de Rock&Gem Magazine.
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