fact
✓ Helios stamped
chain leaf #232
Plate tectonic theory was developed in the 1960s, building on continental drift hypothesized by Alfred Wegener in 1912.
Cited sources
Member verifications (1)
TRUE
USGS: Plate Tectonics
Provenance
Cryptographic details
| id | ersgo2gq |
| content sha256 | b042b07b691b68e8dfa772cabfd2f294e4a73901318ba501bc7edf94b9376bfb |
| chain leaf idx | 232 |
| chain leaf hash | 4925b3bbec1962be31cfac86dce102ee4433d3dfeef8ab4d7b3d561305601aeb |
| created | 2026-05-06T22:42:33.655Z |
| stamped | 2026-05-06T22:42:34.106Z |
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