A trio of researchers has been investigating Indigenous rock art in the Serranía de la Lindosa (La Lindosa for short)—a 12-mile-long sandstone outcrop located in Colombia's Guaviare department.
To see what lies inside the rock, Perseverance made an abrasion patch five centimetres in diameter in a outcrop named "Wallace Butte." The large green spot lies in the upper left portion of the ...
Andriy Yermak Smoke billows from Snake Island on the day Russian forces abandon the rocky outcrop in the Black Sea ... but ultimately it is still a very small rock. The key question is whether ...
we need to treat the rock in some way. To start the challenge, we chiseled some promising rocks from an outcrop near a small creek. We were pretty sure our rocks contained some gold, because there ...