Simplified geological map of the Archaean Yilgarn Craton in Western Australia. Credit: Geological Survey of Western Australia Every ancient craton seen from space shows patterns that are unique to …| Earth-logs
Sections Changing shapes, changing currents Tectonics, wind and weathering Planetary atmospheres move in complicated patterns even one as featureless as a pool ball, especially so if the planet spins (Figure 2.2). Solar warming varies with… More| Stepping Stones