Earth planning date: Monday, April 29, 2024 On this two sol-planning day, the Curiosity science team logged in and found ourselves face to face with ‘Pinnacle Ridge’ (pictured above), part of the upper Gediz Vallis Ridge (uGVR). We saw two types of rocks in our workspace: light-toned layered rocks and darker toned rocks. Rocks that look this different are very exciting to a geologist’s eye – it means the rocks could have been formed in different environments, and could be made of different things… so how did these two types of rock end up next to each other? That’s for our clever team of scien…