akmacmac t1_itcxai3 wrote
Reply to comment by HastilyMadeAlt in South-west Astrakhan, Russia, has some interesting geographical features I've never seen before. Is there a name for this phenomenon, and how is it formed? by zyphelion
Afaik it’s naturally occurring there. There’s some interesting theories as to how that came to be. Having to do with the prehistoric copper mines on those islands
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