Glenwood Canyon is a rugged scenic 12. 5 mile (21 km) gorge on the Colorado River in western Colorado in the United States. The Colorado River (' Aha Kwahwat in Mojave) is a River in the southwestern United States and northwestern Mexico, approximately The State of Colorado ( or chiefly by nonresidents) is a state located in the Rocky Mountain region of the United States of America. The United States of America —commonly referred to as the It is the largest such canyon on the Upper Colorado. The canyon, which has historically provided the routes of railroads and highways through western Colorado, currently furnishes the route of Interstate 70 between Denver and Grand Junction. * * * * * * * * * * * * * * * * * * * * * * Before adding any more images to this * * page please do carefully consider * * whether they would be mere decoration * * or actually improve Interstate 70 (I-70 is an Interstate highway in the United States that runs from Interstate 15 near Cove Fort Utah, to a Park and Ride The City and County of Denver (pronounced /ˈdɛnvɚ/ is the Capital and the most populous city of Colorado, in the United States The City of Grand Junction is a Home Rule Municipality that is the County seat and the most populous city of Mesa County, Colorado, The canyon stretches from near Dotsero, where the Colorado receives the Eagle River, downstream to the WSW to just east of Glenwood Springs, on the mouth of the Roaring Fork. Dotsero is small rural incorporated community in western Eagle County, Colorado in the United States. The Eagle River is a tributary of the Colorado River, approximately 70 mi (113 km long in west central Colorado in the United States. The City of Glenwood Springs is a Home Rule Municipality that is the County seat and the most populous city of Garfield County, Colorado The Roaring Fork River is a tributary of the Colorado River, approximately 70 mi (113 km long in west central Colorado in the United States. Most of the canyon is in Garfield County, with the upper portion near Dotsero lying in Eagle County. Garfield County is the eighth most extensive and the twelfth most populous of the 64 counties of the State of Colorado of the United States. Eagle County is the thirteenth most populous of the 64 counties of the State of Colorado in the United States.
. Interstate 70 (I-70 is an Interstate highway in the United States that runs from Interstate 15 near Cove Fort Utah, to a Park and Ride The California Zephyr is a 2438-mile (3924-km long Passenger train route operated by Amtrak in the Midwestern and Western United
In 1906, the canyon provided the route of the Taylor State Road, a gravel road that was the first route for automobiles through the Colorado Rockies. Year 1906 ( MCMVI) was a Common year starting on Monday (link will display full calendar of the Gregorian calendar (or a Common year starting The canyon also provided the route for the Denver and Rio Grande Western Railroad in the early 20th century. The Denver and Rio Grande Railroad, generally referred to as the Rio Grande, became the Denver and Rio Grande Western Railroad in 1920 and is today a Fallen The twentieth century of the Common Era began on Through acquisitions, the line is currently part of the Union Pacific system. The canyon is widely considered one of the most scenic natural features on the Interstate Highway System of the United States. The Dwight D Eisenhower National System of Interstate and Defense Highways, commonly called the Interstate Highway System (or simply the Interstate System) Foot access to the canyon is available at four rest areas along Interstate 70 in the canyon. The Hanging Lake Rest Area (Exit 125) provides access to the canyon along a stretch where I-70 is concealed in tunnels. thumb|right|250px|Hanging Lake Hanging Lake is located in Glenwood Canyon, about 7 miles east of Glenwood Springs Colorado.
The canyon was formed relatively recently in Pleistocene time by the rapid cutting of the Colorado down through layers of sedimentary rock. The Pleistocene ('plaɪstəsin is the epoch from 18 million to 10000 years BP covering the world's recent period Sedimentary rock is one of the three main rock types (the others being igneous and Metamorphic rock) The upper layers of the canyon are sandstone from Pennsylvanian and Mississippian. Sandstone is a Sedimentary rock composed mainly of Sand -size Mineral or rock grains. The Pennsylvanian is a subperiod of the Carboniferous period lasting from roughly to Ma (million years ago Sections of the lower canyon walls are made of Cambrian rock. The Cambrian is a geologic period and system that began about Ma (million years ago at the end of the Proterozoic eon and ended about Ma with The Mississippian layer that is prominent throughout much of the upper rim sections of the canyon is part of the Leadville Formation.
See also
References
- Roadside Geology of Colorado by Halka Chronic (1980). Gore Canyon is a short isolated Canyon on the upper Colorado River in southwestern Grand County, Colorado in the United States
External links
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