Lake E impact breccia core

Wiggles and stacks: Paleoclimate 101

Imagine standing on the top floor of the Empire State Building. Above you, the frigid ice-capped waters of a lake in Siberia. Below you sits nearly a quarter of a mile of lake sediment resting atop impact breccia, a layer of rock formed when a meteorite slammed into Earth 3.6 million years ago. Graph wiggles […]