Layers may form from volcanoes, the wind, or by deposition under water. Arabia Terra is large upland region, heavily eroded, densely cratered, and possibly the oldest terrain on the Red Planet.
Layers in Blocks
Layers may form from volcanoes, the wind, or by deposition under water. Arabia Terra is large upland region, heavily eroded, densely cratered, and possibly the oldest terrain on the Red Planet.