It can be found in biomes such as the Kelp Forest, Grassy Plateaus, and rarely at the end of particularly deep Safe Shallows Caves. The player can break Sandstone Outcrops to obtain the material contained inside.
Sandstone Outcrops can contain the following:
Data Bank Entry
These common, porous outcrops seem to form around small amounts of precious metals, or otherwise these metals are part of a sedimentary buildup over time.
Assessment: Lead, silver and gold source