Climate Change In Color at the John Day Fossil Beds

  • Post category:Travel

When people think of Oregon they tend to think of rain, a sort of never-ending rain, over forty inches a year on average. But eastern Oregon is all but a desert, receiving a third of Portland's average, and some of Oregon really is a desert, with less than ten inches of rainfall a year. This low level of rainfall exposes the ground and the ground can tell its story, the story of rains from the distant past. The red is from a time when the hills here were warm and wet, as wet as Portland is now, and volcanic ash fell from the sky, brining with it all that iron.…

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