“...started at the Oregon-Idaho border about 16 million years ago and propagated northwestward, forming a line of volcanoes that are progressively younger as they stretched northwest to present-day Wyoming...”
When did Wyoming move northwest of Oregon/Idaho?????
Congratulations! You’re the 10th person on the thread to have caught and pointed out that error!
.
When you dream up a theory, you can move things thousands of miles with a pen or keyboard.
Try it, its fun.
.