@richardgibson.bsky.social
Geologist (gravity & magnetics, tectonics), mineral collector, old cycler in Butte, Montana USA. Author "What Things Are Made Of," "History of Earth Perpetual Calendar." ⚒️ #geology posts: https://richardigibson.substack.com . Equality for all, no MAGA.
@bsky.app
official Bluesky account (check username👆) Bugs, feature requests, feedback: [email protected]