The main tool in reconstructing Earth’s environmental history is – rocks! In order to explore the rock archive, we must first understand what kind of stories different types of rocks can tell. What is a rock? Rocks are aggregates of smaller constituents, such as minerals or other solid materials (e.g. volcanic glass), which can beContinue reading “Rock archive”
Author Archives: Kärt Paiste
Introduction
Dioxygen (O2) is a potent little molecule that distinguishes Earth from other planets in the Solar System. The high oxygen content of the air we breathe is considered essential to sustain life as we know it, and yet it was not an original constituent of Earth’s atmosphere. Like other rocky planets in the Solar System,Continue reading “Introduction”
