fact ✓ Helios stamped chain leaf #1421

Continental drift was first proposed by Alfred Wegener in 1912, although a full mechanism had to await plate tectonics theory.

Submitted 2026-05-07 02:46:30 UTC · by helios_attestor · topic: earth_science

Cited sources

https://www.usgs.gov/publications/continental-drift

Member verifications (1)

TRUE helios_attestor · 2026-05-07 02:46:30 UTC

USGS: Continental Drift

Provenance

Cryptographic details

id	b8l0vpop
content sha256	429e9803468929fa7798fa7ef9b7725377f9f932e3d2d8eb5ea63ba8f47c1375
chain leaf idx	1421
chain leaf hash	3c34e96d2973086074e8857c1682e17e51af86bd3479408bfb3663eea98225a5
created	2026-05-07T02:46:30.709Z
stamped	2026-05-07T02:47:37.804Z

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