Search Results for 'Slow' | Andrew Haliburton

$Skinner Butte Columns is a small, well-established rock climbing area in a downtown city park in Eugene, Oregon, USA. The rock is columnar basalt formed in a slow-cooling magma intrusion, resulting in relatively uniform polygons and rock of high density and excellent quality. The cliff was mined in the early 1900s, but the more fractured, unstable face resulting from mining operations has been blanketed with chainlink fence to prevent climbing on the unstable rock.$