Roadside Geology Series

Roadside Geology Series

Roadside Geology Series On the photo I hold a book “Roadside Geology of Washington state” by Dr. Marli Miller and Dr. Darrel Cowan but the series include 34 titles and reveal geology that lies along the road from Washington, Alaska, and California to...
Colorado Geology Through Time

Colorado Geology Through Time

300 Million Years Ago Ancestral Rockies by Jan VriesenIn the Pennsylvanian period the Ancestral Rockies, Frontrangia and Uncompahgria, started to form. Rivers carried the sediments, consisting mostly of feldspar-rich gravels and sand that will be the source of red...