The Hurricane Cliffs of southwest
Utah
Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...
and northwest
Arizona
Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...
are a red,
limestone
Limestone is a type of carbonate rock, carbonate sedimentary rock which is the main source of the material Lime (material), lime. It is composed mostly of the minerals calcite and aragonite, which are different Polymorphism (materials science) ...
geographic feature, sets of cliffs along the western, eroded edge of the
Kaibab Limestone
The Kaibab Limestone is a resistant cliff-forming, Permian geologic formation that crops out across the U.S. states of northern Arizona, southern Utah, east central Nevada and southeast California. It is also known as the Kaibab Formation in Ar ...
; the cliffs are about 135-mi (217 km) long,
[''Utah Atlas & Gazetteer,'' DeLorme, 9th Ed. 2014 pp. 49, 50, 57 ][ with the south end terminus just north of the ]Grand Canyon
The Grand Canyon is a steep-sided canyon carved by the Colorado River in Arizona, United States. The Grand Canyon is long, up to wide and attains a depth of over a mile ().
The canyon and adjacent rim are contained within Grand Canyon Nati ...
. The cliffs are associated with the Hurricane Fault
The Hurricane Fault is an intracrustal seismic fault that runs along the boundary between the Colorado Plateau block and the Basin and Range geologic province of western North America. It is a 250-km-long, north–south striking, high-angle, dow ...
.
Description
The Hurricane Cliffs are part of the landforms on the southwest perimeter of the Colorado Plateau
The Colorado Plateau is a physiographic and desert region of the Intermontane Plateaus, roughly centered on the Four Corners region of the Southwestern United States. This plateau covers an area of 336,700 km2 (130,000 mi2) within w ...
, specifically the '' High Plateaus section''; the High Plateaus are transitional to the Great Basin
The Great Basin () is the largest area of contiguous endorheic watersheds, those with no outlets to the ocean, in North America. It spans nearly all of Nevada, much of Utah, and portions of California, Idaho, Oregon, Wyoming, and Baja Californi ...
northwest, the Mojave Desert
The Mojave Desert (; ; ) is a desert in the rain shadow of the southern Sierra Nevada mountains and Transverse Ranges in the Southwestern United States. Named for the Indigenous peoples of the Americas, indigenous Mohave people, it is located pr ...
west, and the Arizona transition zone
The Arizona transition zone is a diagonal northwest-by-southeast region across central Arizona. The region is a transition from the higher-elevation Colorado Plateau in Northeast Arizona and the Basin and Range region of lower-elevation desert ...
, southwest and south of the Coconino Plateau
The Coconino Plateau is found south of the Grand Canyon and north-northwest of Flagstaff, in northern Arizona of the Southwestern United States.
Geography
The Coconino Plateau lies south of Grand Canyon Village and the South Rim of the Grand ...
.
From Arizona, the cliffs trend north into Utah, but north of Hurricane
A tropical cyclone is a rapidly rotating storm system with a low-pressure area, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain and squalls. Depending on its ...
, at Anderson Junction and Pintura, the trendline turns north-northeast, and by Cedar City
Cedar City is the largest city in Iron County, Utah, United States. Located south of Salt Lake City, it is north of Las Vegas on Interstate 15 in Utah, Interstate 15. Southern Utah University is located in Cedar City. It is the home of the Ut ...
, Cedar Valley, Summit
A summit is a point on a surface that is higher in elevation than all points immediately adjacent to it. The topographic terms acme, apex, peak (mountain peak), and zenith are synonymous.
The term (mountain top) is generally used only for ...
, and the Parowan Valley
Parowan Valley, originally known as the Little Salt Lake Valley, is a basin in Iron County, Utah
Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners ...
, the trend is northeast. At the northeast end of Parowan Valley, which is the Tushar Mountains
The Tushar Mountains are the third-highest mountain range in Utah after the Uinta Mountains and the La Sal Range. Located in the Fishlake National Forest, Delano Peak, 12,174 ft (3,711 m) NAVD 88, is the highest point in both Beaver County ...
, the Hurricane Cliffs end.
Interstate 15
Interstate 15 (I-15) is a major Interstate Highway in the Western United States, running through Southern California and the Intermountain West. I-15 begins near the Mexican border in San Diego County and stretches north to Alberta, Ca ...
follows the foothills of the Cliffs from its north terminus, southwest through Parowan Valley, the townsites of Paragonah- Parowan, and leaves the cliffs at Anderson Junction and Toquerville.
The Old Spanish National Historic Trail
Old or OLD may refer to:
Places
*Old, Baranya, Hungary
*Old, Northamptonshire, England
* Old Street station, a railway and tube station in London (station code OLD)
*OLD, IATA code for Old Town Municipal Airport and Seaplane Base, Old Town, M ...
descends from the north Markagunt Plateau
Markagunt Plateau is a volcanic field in southern Utah, United States. Formed in a region of older volcanics, it consists of several cinder cones and associated lava flows. Some of the lava flows feature lava tubes such as Mammoth Cave, while ot ...
through the Hurricane Cliffs into Parowan Valley just north of Paragonah. Adjacent south at Summit, and Enoch in northeast Cedar Valley, the Black Mountains narrow at the pass between the Hurricane Cliffs, and a mountain ridgeline, to only 1-mi;[ the Old Spanish Trail traversed through the pass then crossed west through the center-north of Cedar Valley.
]Zion National Park
Zion National Park is a national park of the United States located in southwestern Utah near the town of Springdale. Located at the junction of the Colorado Plateau, Great Basin, and Mojave Desert regions, the park has a unique geography and a ...
lies nine miles east[ of the Hurricane Cliffs at Toquerville; the park contains extensive layers of the Kaibab Limestone.
]
Arizona
In Arizona, the Hurricane Cliffs border the east of north-flowing Hurricane Wash, located in Black Rock Canyon. From there, the Cliffs trend south to Twin Butte, , then to Mount Trumbull, ,[''Arizona Atlas & Gazetteer,'' DeLorme, Fourth Ed. 2001 p. 22 ] (the Mount Trumbull Wilderness
The Mount Trumbull Wilderness is a 7,880 acre (31 km2) wilderness area located on the Uinkaret Plateau in the Arizona Strip. It is managed by the Bureau of Land Management.
The Mount Trumbull Wilderness is north of Grand Canyon National ...
), adjacent to the Sawmill Mountains, and west flank, Uinkaret Mountains, where the Hurricane Cliffs terminate.
The region of the west Uinkaret Mountains, (west Toroweap Valley), is the site of the Toroweap Overlook
Toroweap Overlook (also known as Tuweep Overlook or Toroweap Point) is a viewpoint within the Grand Canyon National Park in Arizona, United States. It is located in a remote area on the North Rim of the Grand Canyon, west of the North Rim He ...
, below Toroweap Point-(above southeast Toroweap Valley), on the ridgeline of Coconino Sandstone
The Coconino Sandstone is a geologic formation (geology), formation composed of light-colored quartz arenite of Aeolian processes, eolian origin. It erodes to form conspicuous, sheer cliffs in the upper walls of Grand Canyon, as part of the Mog ...
, and the Toroweap Formation
The Toroweap Formation outcrops as a distinct layer of generally darker, interbedded slope- and cliff-forming strata lying between the brighter colored cliffs of the Kaibab Limestone above, and Coconino Sandstone below. It outcrops in Grand Can ...
rocks above. The Hurricane Cliffs end/begin here, and it is also the connection point of the Hurricane Fault to the Toroweap Fault which crosses from the Grand Canyon, South Rim, and continues north-(North Rim), northeasterly, striking into south Utah. The region of the two faults also give rise to intrusive lavas through rock fractures, and the region is the southeast section of the Uinkaret volcanic field
The Uinkaret volcanic field is an area of monogenetic volcanoes in northwestern Arizona, United States, located on the north rim of the Grand Canyon.
Lava flows from the Uinkaret volcanic field that have cascaded down into the Grand Canyon, ...
. Lava Falls and Vulcan's Throne
Vulcan's Throne is a cinder cone volcano and a prominent landmark on the North Rim of the Grand Canyon in Arizona, United States. The volcano is adjacent the Colorado River, (thousands of feet above the river) as it is the source material for Lav ...
are two land forms at the intersection point region of the two faults, (at the Uinkaret Mountains–Colorado River
The Colorado River () is one of the principal rivers (along with the Rio Grande) in the Southwestern United States and in northern Mexico. The river, the List of longest rivers of the United States (by main stem), 5th longest in the United St ...
), with Lava Falls, flowing into the Grand Canyon, and with Lava Falls Rapids being one of the largest rapids, blocking the flow of the Colorado.
The Aubrey Cliffs are expressed south of the Colorado River, on the South Rim, and extend due-southwards. They are the west perimeter of the Coconino Plateau
The Coconino Plateau is found south of the Grand Canyon and north-northwest of Flagstaff, in northern Arizona of the Southwestern United States.
Geography
The Coconino Plateau lies south of Grand Canyon Village and the South Rim of the Grand ...
, (the Colorado Plateau
The Colorado Plateau is a physiographic and desert region of the Intermontane Plateaus, roughly centered on the Four Corners region of the Southwestern United States. This plateau covers an area of 336,700 km2 (130,000 mi2) within w ...
's southwest).
List of cities
The following is a list of cities, and their elevation, adjacent the foothills of the Hurricane Cliffs.
Cities, from north to south:
* Parowan Valley:
** Paragonah, 5879 ft
** Parowan, 6017 ft
** Summit, 5955 ft
* Cedar Valley
** Enoch, 5545 ft
** Cedar City, 5846 ft
** Hamilton Fort, 5568 ft
** Kanarraville, 5541 ft
* Pintura
* Anderson Junction
* Toquerville, 3389 ft
* Hurricane, 3248 ft
See also
* Geology of the Grand Canyon area
The geology of the Grand Canyon area includes one of the most complete and studied sequences of rock (geology), rock on Earth. The nearly 40 major sedimentary rock layers exposed in the Grand Canyon and in the Grand Canyon National Park area rang ...
* Geology of the Zion and Kolob canyons area
The geology of the Zion and Kolob canyons area includes nine known exposed formations, all visible in Zion National Park in the U.S. state of Utah. Together, these formations represent about 150 million years of mostly Mesozoic-aged sediment ...
References
External links
{{commons category, Toroweap Fault
Black Rock Canyon, Mohave Co. Arizona, at foot of Hurricane Cliffs, (topoquest) (coordinates)
Twin Butte, Mohave Co. Arizona, (topoquest) (coordinates)
Geology of Utah
Geology of Arizona
Cliffs of Arizona
Mountains of Iron County, Utah
Mountains of Millard County, Utah
Landforms of Mohave County, Arizona
Cliffs of Utah
Mountains of Utah