Slumgullion Earthflow - Wikipedia
The Slumgullion Earthflow is a remnant of a landslide in the San Juan Mountains in Hinsdale County, Colorado. It was designated a National Natural Landmark in 1983. It is also a Colorado Natural Area and an Area of Critical Environmental Concern .
Rare natural event means that earth is moving in Colorado’s ‘most ...
2021年5月24日 · At a rate as high as 20 feet per year, the earthflow has since changed the landscape and created Colorado’s second-largest natural lake. The Slumgullion Earthflow began about 700 years ago as heavy rains weakened volcanic tuff and breccia on …
Slumgullion Earthflow | Lake City - A Peak Experience
The Slumgullion Earthflow National Natural Landmark is a rare example of an earthflow, called mass wasting. About 700 years ago, an area of Mesa Seco, composed of partially decomposed volcanic rock, slid down the mountain and blocked the Lake Fork of the Gunnison River. This natural dam formed what is now known as Lake San Cristobal.
Slumgullion Earthflow - Atlas Obscura
2020年9月21日 · Centuries ago, a portion of the Lake City caldera broke off of Mesa Seco and started moving down the steep slopes of the Lake Branch of the Gunnison River. Unlike many other slides, this was a...
Slumgullion Earthflow Natural Landmark – Lake City - Uncover …
The Slumgullion Earthflow is one of the rarest examples of mass wasting; the geomorphic process by which soil and rock move downslope. It’s a national natural landmark located just south of Lake City on Highway 149.
Slumgullion: Colorado's natural 'lab' offers insights into landslides ...
2018年4月9日 · Slumgullion was first thought to be a massive train of debris deposited by glaciers or avalanches. It took a notorious cannibal to correctly describe the morass as a landslide.
Lake San Cristobal and the Slumgullion Earthflow
Visible and actually crossing Colorado Highway 149 just below 11,361-foot Slumgullion Pass, the earthflow was spurred when weak volcanic tuff and breccia were lubricated by heavy rains, causing the southern flank of the Mesa Seco to “slump” several miles …
Slumgullion Earthflow National Landmark | Colorado Vacation …
Slumgullion Earthflow is an excellent illustration of the geologic process of mass wasting. Seven hundred years ago, a huge mass of volcanic rock slumped from the mountainside and flowed into the main valley where it spread laterally to form Lake San Cristobal.
After 400 years, the Slumgullion Earthflow continues its slow creep
2018年8月11日 · About 700 years ago, a huge mass of earth collapsed into the Lake Fork valley two miles south of what is now Lake City, creating the colorful, red-and-yellow Slumgullion Earthflow.
Slumgullion Earthflow Overlook | The Center for Land Use …
A few miles before the pass, the Slumgullion Earthflow Overlook reminds travelers of the fluidity of even these massive Rocky Mountains. 850 years ago a massive slide, the Slumgullion Earthflow, dammed the Lake Fork River and created Lake San Cristobal, forming the second largest natural lake in the state.