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2026-08-24 13:23:49 UTC

npub1p2…yf398 on Nostr: Beinn Eighe. Bottom to top: Lewiston Gneiss: 1.65 billion years old. Torridon ...

Beinn Eighe.

Bottom to top: Lewiston Gneiss: 1.65 billion years old. Torridon Sandstone: +/- 1 billion years old. Cambrian Quartzite: A mere 550 million years old.

Photo: This morning.