ISLA: Look at the shape of this rock, Connor! CONNOR: Good find! That’s a ripple mark left by water that used to sit on top of this before it was rock. This used to be sand and other sediment - that's ...

Igneous and metamorphic petrology examines how Earth’s lithosphere evolves through melt generation, solidification and solid‐state transformation. Igneous petrology addresses the origin of magmas by ...

While many rocks don’t burn, some of them do. It depends on what the rocks are made of – and that’s related to how they were ...