They are organosedimentary structures formed by primordial photosynthetic cyanobacteria. They were responsible for oxygenating Earth's atmosphere more than 2.4 billion years ago during the Great Oxidation Event.


They are organosedimentary structures formed by primordial photosynthetic cyanobacteria. They were responsible for oxygenating Earth's atmosphere more than 2.4 billion years ago during the Great Oxidation Event.
¡Qué descubrimiento tan fascinante! Me sorprendió aprender cómo los estromatolitos cambiaron la atmósfera de la Tierra.
Me encantó la explicación clara; ahora entiendo por qué esos antiguos fósiles son clave para la historia del planeta.