Natural Arch at Cherokee Rock Village Park
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Cherokee Rock Village
This rock outcropping atop Lookout Mountain has been known by many names over the years including Cherokee Rock Village, Little Rock City, Sand Rock and Sandrock. It is believed to have been of ceremonial importance to Native Americans. The view of Weiss Lake and the surrounding area is spectacular. Cherokee Rock Village has been popular with rock climbers since the early 1970s even before there was a road to the site. Just as with Cornwall Furnace, the society pushed for years to get the site turned into a public park. Society President, Col. Robert N. Mann, was authorized by the Cherokee County Commission to begin negotiations with Georgia Kraft to acquire the site in December, 1973. In 1974, Georgia Kraft agreed to donate the 20 acres of land that encompassed the outcropping. There were stipulations that the site had to be developed into a park and an access road had to be built to the site. The access road to the site would be built by the county. The county soon decided more land would be needed to make a usable park and negotiations resumed for additional acreage. Once again, Col. Mann began talks with Georgia Craft and The Nature Conservancy in November, 1976. In April, 1977, The Nature Conservancy purchased a total of 200 acres from Georgia Kraft for $15,000.00 for use as a public park. This 200 acres included the 20 acres that been involved in the prior negotiations. This accomplished the Society's goal of the site being preserved as a public access area. Today, the site remains a popular place for rock climbers, hikers and others who go to enjoy the outdoors. Some scenes for the film "Failure to Launch", starring Matthew McConaughey, were filmed at the Cherokee Rock Village.
A natural arch or natural bridge is a natural geological formation where a rock arch forms, with an opening underneath. Most natural arches form as a narrow ridge, walled by cliffs, become narrower from erosion, with a softer rock stratum under the cliff-forming stratum gradually eroding out until the rock shelters thus formed meet underneath the ridge, thus forming the arch. Natural arches commonly form where cliffs are subject to erosion from the sea, rivers or weathering (subaerial processes); the processes "find" weaknesses in rocks and work on them, making them bigger until they break through. The choice between bridge and arch is somewhat arbitrary. The Natural Arch and Bridge Society identifies a bridge as a subtype of arch that is primarily water-formed. By contrast, the Dictionary of Geological Terms defines a natural bridge as a "natural arch that spans a valley of erosion." Weather-eroded arches A diagram showing the sequence of arch formation. 1.. Deep cracks penetrate into a sandstone layer. 2.. Erosion wears away exposed rock layers and enlarges the surface cracks, isolating narrow sandstone walls, or fins. 3.. Alternating frosts and thawing cause crumbling and flaking of the porous sandstone and eventually cut through some of the fins. 4.. The resulting holes become enlarged to arch proportions by rockfalls and weathering. Arches eventually collapse, leaving only buttresses that in time will erode. a.. Many of these arches are found within Arches National Park and Rainbow Bridge National Monument in Utah. Water-eroded arches A topographic map of Coyote Natural Bridge in Utah shows how the meandering Coyote Gulch carved a shorter route through the rock under the arch. The old riverbed is now higher than the present water level. Some natural bridges may look like arches, but they form in the path of streams that wear away and penetrate the rock. Pothole arches form by chemical weathering as water collects in natural depressions and eventually cuts through to the layer below. Natural Bridges National Monument in Utah is another area to view several natural bridges. Cave erosion Natural bridges can form from natural limestone caves, where paired sinkholes collapse and a ridge of stone is left standing in between, with the cave passageway connecting from sinkhole to sinkhole. Like all rock formations, natural bridges are subject to continued erosion, and will eventually collapse and disappear. One example of this was the double-arched Victorian coastal rock formation, London Bridge, which lost an arch after storms increased erosion. Arches as highways In a few places in the world, natural arches are truly natural bridges because there are roads running across them. Two such arches are found in Kentucky. One, a cave erosion arch made of limestone, is located in Carter Caves State Park, and it has a paved road on top. Another, a weather-eroded sandstone arch with a dirt road on top, is located on the edge of Natural Bridge State Resort Park in Kentucky. It is called White's Branch Arch (also known as the Narrows), and the road going over it is usually referred to as the Narrows Road.
To log your find, take a picture of you with your GPS with the Natural Bridge behind you.(Optional)
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Post the picture with your log(picture is optional but would be nice) and E-Mail me the answers to the following questions:
1. The arch is made from what type of stone? (_____________)
2. What do you estimate the span of the arch to be? (______________)
3. How high do you estimate the top down to the ground? (______________)
4. What type of natural Arch is this? (__________________)
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