Red Dead Redemption 2 - All Rock Carvings Collectibles Locations - Geology for Beginners - Required for 100% completion - Unlocks Raven Claw Talisman - Once you have the compass for completing the mission and gives Slow Weapon Degradation by 20%
This video shows all 10 rock carvings locations. Rock Carvings are required for 100% completion and is only available after chapter 2 and speaking to stranger Francis Sinclair. Once you have all 10 and complete Geology for Beginners you will unlock:
Collector's Item Achievement - You Completed one of the Collectable Strands