I've never quite been the same since I learned about trovants. These are rocks, actual rocks, that not only 'grow' but MULTIPLY. pic.twitter.com/T3LmD97ncg— Folk Horror Magpie (@folkhorrormagpi) September 17, 2020
causing forms to appear on the surface. The pressure caused by the reaction spontaneously makes the rock 'grow' from the centre outwards at a rate of about 5cm every 1000 years.— Folk Horror Magpie (@folkhorrormagpi) September 17, 2020
Atlas Obscura on Trovants.
Here in Portugal we have a massive boulder that gives birth:https://t.co/5k1K5FSgBE— Joana Eça de Queiroz (@Jo_EQ) September 17, 2020