Jordan Craters
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The flows of Jordan Craters volcanic field are the youngest of a series of large Quaternary basalt fields in the eastern part of the U.S. state of Oregon. The field is thought to be approximately 3200 years old, based on findings of a lake sediment coring experiment in 1986. It was formed by basaltic pahoehoe emanating from vents throughout the area.[1]
The most recent flows come from Coffeepot Crater, a large breached cinder cone. These flows show excellent examples of inflated lava.[2] Historically, it is believed that Coffeepot Crater held a pond of lava that would occasionally breach the sides of the crater to flow freely into the field.[1]
Jordan Craters is approximately 120 miles (200 km) southwest of Boise, Idaho[3] and 18 miles (30 km) northwest of Jordan Valley, Oregon.[1]
The craters are free and open to the public all year.
See also
References
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