Geology Freak Blog


Volcanoes: Referees for the life on Earth

At the Triassic-Jurassic boundary, 200 million years ago, some 60% of species living on Earth disappeared. Scientists suspected that magmatic activity and the release of CO2 were responsible for this environmental disaster. To corroborate...


Scientists Find Tiny Pieces of Opal in Meteorite

Small pieces of the mineral opal have been found within a brecciated ureilite meteorite from Antarctica. According to a team of scientists led by Prof. Hilary Downes of Birkbeck College London, UK, this find...


Earth probably began with a solid shell

Today’s Earth is a dynamic planet with an outer layer composed of giant plates that grind together, sliding past or dipping beneath one another, giving rise to earthquakes and volcanoes. Others separate at undersea...