I’ve heard many people remark that driving the desert is boring. To me, the main highlight of a drive to or from Phoenix is the Sonoran Desert.
This vast area of sand was once a shallow inland sea. It’s essentially flat, with little islands of rock and rubble poking through here and there. Or, so it’s easy to imagine, driving the desert between Phoenix and the Colorado River.
Fossil evidence for marine habitats dates back to algae colonies about 1.2 billion years ago. More recently: sharks, corals, trilobites, clams and oysters, and those monster sea-going dinosaurs. More recently than that: traditional dinosaurs, duck-billed and otherwise. Even the most obvious visible features of the desert have been around for a very long time. Continue reading
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