HiPOD 17 Oct 23: Crustal Blocks in the Walls of Coprates Chasma
The deep canyon walls of Valles Marineris might expose ancient crustal materials. Blocks of bedrock with diverse colors are visible in the enhanced-color cutout. These large, jumbled blocks might have resulted from heavy bombardment by asteroids about 3.9 billion years ago.
https://uahirise.org/hipod/ESP_080616_1640
NASA/JPL-Caltech/UArizona
#Mars #science #NASA