Английская Википедия:Comb Ridge
Шаблон:Short description Шаблон:Infobox park
Comb Ridge (Шаблон:Lang-nv)[1] is a linear north to south-trending monocline nearly 80 miles long in Southeastern Utah and Northeastern Arizona. Its northern end merges with the Abajo Mountains some eleven miles west of Blanding. It extends essentially due south for Шаблон:Convert to the San Juan River. South of the San Juan the ridge turns to the southwest and is more subdued in expression as it extends for an additional Шаблон:Convert to Laguna Creek Шаблон:Convert east of Kayenta, Arizona.[2][3]
It was designated a National Natural Landmark in 1976 as the only North American location of tritylodont fossils.[4] Parts of the ridge in Utah are protected as part of the Bears Ears National Monument.[5]
Geology
The geologic formations involved in the east dipping strata of the fold include the Jurassic aged Navajo Sandstone, Kayenta Formation, Wingate Sandstone, Chinle Formation, Triassic Moenkopi Formation and Permian Organ Rock Formation. The structure is the surface expression of a deep fault along the east margin of the Monument Uplift.[2]
History
Traces of the Ancestral Puebloan culture can be found along the southern part of the ridge where it follows Chinle Wash. The Macomb and Hayden expeditions in 1869 and 1874–1876, respectively, were the first to publish maps and descriptions of this feature.[6] The ridge and adjacent Butler Wash were given their current names in 1884, by P. Holmann.[6][7][8]
Numerous cliff dwellings are found along the ridge.
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Monarch Cave Ruin cliff dwelling on Comb Ridge
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Monarch Cave Ruin cliff dwelling on Comb Ridge
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House on Fire Ruin near Comb Ridge
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Procession Panel petroglyph
See also
References
External links
- ↑ Linford, Laurence D. Navajo Places: History, Legend, Landscape, University of Utah Press, Salt Lake City, UT 2000.
- ↑ 2,0 2,1 Geosights, Comb Ridge, San Juan County, Utah, May 2012, pp. 9–11 Шаблон:Webarchive
- ↑ USGS 30x60 quadrangle topographic maps: Blanding, Utah-Colorado; Bluff, Utah-Colorado; Rock Point, Arizona-New Mexico; Kayenta, Arizona
- ↑ Шаблон:Cite web
- ↑ Obama Designates Two New National Monuments, Protecting 1.65 Million Acres. Davenport, Coral. The New York Times, 28 December 2016
- ↑ 6,0 6,1 Шаблон:Cite book
- ↑ Шаблон:Cite news
- ↑ Шаблон:Cite book
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