Richat Structure
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What links here
Extrusive rock
Volcanic rock
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Porphyritic
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Aphanite
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Phonolite
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Ophiolite
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Macquarie Island
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Seamount
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Mount Tambora
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Rhyolite
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Tuff
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Syenite
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Rutile
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Saint Lucia
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Obsidian
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Dundee
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