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Aeolian megaripples

Perhaps I'm stretching it calling these "megaripples" but I think they technically are ripples, and their wavelength of multiple meters makes them far larger than most ripples. They formed in a blanket of coarse (~2 mm) sand grains forming low-relief dunes flanking higher dunes in coastal Peru.
— Perhaps I'm stretching it calling these "megaripples" but I think they technically are ripples, and their wavelength of multiple meters makes them far larger than most ripples. They formed in a blanket of coarse (~2 mm) sand grains forming low-relief dunes flanking higher dunes in coastal Peru.

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By Ground Truth Trekking

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