Spence Shale Tour
HIgh above the town of Brigham City lies one of the Cambrians most unique rock units, the Spence Shale. Of all the Cambrian units, the Spence Shale has the highest diversity. Learn about the Cambrian stratigraphy of Norther Utah, learn how Walcott did it back in the early 1900s, and find tons of fossils.
One day of digging our quarries. Keep everything you find.