Tag Archives: Rio Grande rift

Follow the Granite

Granite is the currency in the construction of continents. Here we will time step through the existing surface expression of granites and related igneous and metamorphic rock in the Western US from the Archean to the present. Sediments are boring. … Continue reading

Posted in Geography, Geological Evolution of the Western United States, Geology, History of Life, Paleogeography | Tagged , , , | 3 Comments