With its thickness of more than 15 km of strata, covering some 200,000 km2, the Belt basin displays one of the planet's largest, best-exposed, most accessible, and best-preserved sequences of Mesoproterozoic sedimentary and igneous rocks. This volume focuses on research into this world-class province; kindles ideas about this critical era of Earth evolution; and covers aspects of the basin from its paleontology, mineralogy, sedimentology, and stratigraphy to its magmatism, ore deposits, geophysics, and structural geology.

"Detailed recounting of the first government-sponsored geological survey of the Wyoming and adjacent territories in 1868. The results of Hayden's survey provided the earliest descriptive stratigraphic-structural profile across the Rocky Mountains and the initial discovery of dinosaur tracks in western North America"--