I do not know enough about geology to know what this formation actually is. It may be a spatter cone or something of that nature. There are a few of these smaller formations in addition to the larger Coffeepot Crater.
Location: Jordan Craters, Malheur County, Oregon
Previous: A Solitary Stem of Grass
Next: Crater II
Journal: 11 July 2001: Owyhee Canyon and Jordan Craters