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The
Colorado River was dammed by lava flows multiple times from 725,000 to 100,000 years ago. While some believe that these lava dams were stable, lasting up to 20,000 years and forming large reservoirs, others think they failed quickly and catastrophically as massive floods. Lava flows traveled
577:, 2007, 40Ar/39Ar and field studies of Quaternary basalts in Grand Canyon and model for carving Grand Canyon: Quantifying the interaction of river incision and normal faulting across the western edge of the Colorado Plateau: GSA Bulletin, v. 119, no. 11/12, pp. 1283–1312.
595:
Fenton, C.R., Poreda, R.J., Nash, B.P., Webb, R.H., and
Cerling, T.E., 2004, Geochemical discrimination of five Pleistocene lava-dam outburst-flood deposits, western Grand Canyon, Arizona: The Journal of Geology, v. 112, pp. 91–110,
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at the top, half visible along the right-hand edge of the photo. Vulcan's Throne is about 73,000 years old. These are among the most recent features of the Grand Canyon. The topmost layers over which the lava flowed, the
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Hamblin, W.K., 1994, Late
Cenozoic lava dams in the western Grand Canyon: Geological Society of America Memoir 183, 139 p.
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Karlstrom, K., Crow, R., Peters, L., McIntosh, W., Raucci, J., Crossey, L., and
Umhoefer, P.
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from the
Uinkaret volcanic field that have cascaded down into the Grand Canyon, damming the
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age of 1300 +/- 500 years BP. Pottery shards dated to between 1050 and 1200
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539:"Grand Canyon National Park – Geologic Formations (U.S. National Park Service)"
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National
Register of Historic Places listings in Grand Canyon National Park
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were found within the lava flow, produced around the same time as the
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Vulcan's Throne (top right) and Lava Falls, 2008 aerial photo
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Uinkaret
Volcanic Field, Western Grand Canyon, Arizona
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565:, at Grand Canyon River Guides. Accessed 5/26/09.
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264:One lava flow, from Little Springs, south of
8:
1119:List of trails in Grand Canyon National Park
693:
679:
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622:"Uinkaret Field: Synonyms and Subfeatures"
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824:Grand Canyon–Parashant National Monument
509:Wood, Charles A.; Jűrgen Kienle (1993).
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452:List of volcanoes in the United States
257:downriver 76 miles (121 km) from
661:Full-size version of image in infobox
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1088:Powell Geographic Expedition of 1869
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1229:Landforms of Mohave County, Arizona
1093:1956 Grand Canyon mid-air collision
200:time, around 290 million years ago.
187:. On the right is Lava Falls, with
231:, located on the north rim of the
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1180:Grand Canyon: The Hidden Secrets
1114:Grand Canyon Backcountry Camping
447:Geology of the Grand Canyon area
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363:
344:
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27:Landform in northwestern Arizona
1173:The Man Who Walked Through Time
1239:Grand Canyon, North Rim (west)
1187:Grand Canyon: A Different View
1098:Grand Canyon Airlines Flight 6
1:
741:Grand Canyon Village, Arizona
563:New Debris Flow at Lava Falls
285:San Francisco volcanic field
57:1,555 m (5,102 ft)
1234:Monogenetic volcanic fields
819:Grand Canyon Forest Reserve
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1214:Volcanic fields of Arizona
731:Grand Canyon National Park
543:U.S. National Park Service
515:Cambridge University Press
511:Volcanoes of North America
419:
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1129:Grand Canyon Conservancy
627:Global Volcanism Program
484:Global Volcanism Program
1219:Grand Canyon, North Rim
950:Uinkaret volcanic field
829:Grand Canyon Supergroup
716:Black Suspension Bridge
632:Smithsonian Institution
489:Smithsonian Institution
214:Uinkaret volcanic field
177:Uinkaret volcanic field
33:Uinkaret volcanic field
1167:(2017 children's book)
209:
201:
1224:Pleistocene volcanism
1193:Grand Canyon Escalade
1157:A Bigger Grand Canyon
1013:Little Colorado River
726:Grand Canyon Escalade
207:
174:
814:Grand Canyon Caverns
804:Ericameria arizonica
736:Grand Canyon Skywalk
517:. pp. 277–278.
844:Sixtymile Formation
839:Nankoweap Formation
809:Esplanade Sandstone
196:, was deposited in
81: /
1135:Grand Canyon Suite
1018:Bright Angel Creek
938:Bright Angel Shale
779:Agave phillipsiana
210:
202:
47:Highest point
1201:
1200:
1142:Desert Wonderland
918:Redwall Limestone
888:Hyaloclastite Dam
859:Shinumo Quartzite
751:Marble Canyon Dam
721:Bridge Canyon Dam
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434:73,000 years ago
273:cosmogenic helium
175:Basalts from the
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143:1.2 million years
16:(Redirected from
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955:Vasey's Paradise
883:Hermit Formation
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667:satellite image.
657:at Volcano World
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479:"Uinkaret Field"
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251:Lava Falls Rapid
223:in northwestern
194:Kaibab Limestone
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85:36.38°N 113.13°W
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165:1100 ± 75 years
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360:1050-1200 AD
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1149:Grand Canyon
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1001:Havasu Falls
996:Havasu Creek
960:Venus Temple
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928:Temple Butte
913:Prospect Dam
903:Newton Butte
873:Freya Castle
756:Maswik Lodge
702:Grand Canyon
635:. Retrieved
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547:. Retrieved
545:. 2007-03-29
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261:178 to 254.
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237:
233:Grand Canyon
213:
211:
181:Grand Canyon
176:
1151:(1958 film)
1044:Kenton Grua
1008:Kanab Creek
933:Tonto Group
908:Ochoa Point
893:Isis Temple
849:Unkar Group
834:Chuar Group
746:Kolb Studio
323:Coordinates
218:monogenetic
139:Age of rock
128:Mount Logan
114:Arizona, US
88: /
63:Coordinates
1208:Categories
1049:John Hance
991:Deer Creek
709:Facilities
637:2007-05-23
549:2007-05-24
458:References
329:Mount Emma
259:river mile
247:Lava Falls
239:Lava flows
18:Lava Falls
1065:Havasupai
305:Elevation
289:South Rim
221:volcanoes
185:North Rim
183:from its
101:Geography
53:Elevation
1070:Hualapai
441:See also
308:Location
271:, has a
266:Pliocene
121:Topo map
106:Location
76:113°08′W
1107:Related
771:Geology
663:, NASA
287:on the
225:Arizona
133:Geology
73:36°23′N
1080:Events
1058:Tribes
1027:People
521:
316:meters
665:ASTER
519:ISBN
319:feet
302:Name
212:The
126:USGS
598:doi
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20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
