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Sixtymile Formation

The Sixtymile Formation is a very thin accumulation of sandstone, siltstone, and breccia underlying the Tapeats Sandstone that is exposed in only four places in the Chuar Valley. These exposures occur atop Nankoweap Butte and within Awatubi and Sixtymile Canyons in the eastern Grand Canyon, Arizona. The maximum preserved thickness of the Sixtymile…

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Depositional environment

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Overview

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Nomenclature

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Age

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Key facts & relationships

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Country
United States
Extent
the Chuar syncline, Grand Canyon
Named by
Ford et al. (1972), Ford and Breed (1973), and Elston (1979)
Other
intraformational breccia
Overlies
Chuar Group
Primary
siltstone and sandstone

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Overview

Nomenclature

Depositional environment

Age

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Map overview Semantic statistics

Sixtymile Formation

Nodes27
Edges26
Triples119
Avg. degree1.93
Density0.074074
Components1

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Sixtymile Formation

Top relations

related to External links · 35
Sixtymile Formation → Anonymous, Arizona, Boatman's Quarterly Review, Book, Bowman, Chuar Group, Colorado Plateau, Dehler, Disassembly, Geological Survey, Grand Canyon, Grand Canyon Geology Training, Grand Canyon National Park, Grand Canyon Supergroup, Grand Canyon Supergroup Six, Karlstrom, Learning, Manual, Mathis, National Park Service
related to Contacts · 18
Sixtymile Formation → Away, Chuar, Chuar Group, Chuar Syncline, In, Local, Middle Member, Sixtymile, Sixtymile Canyon, Tapeats Sandstone, The, These, This, Typically, Upper Member, Walcott, Walcott Member, Within
related to Nomenclature · 18
Sixtymile Formation → Breed, Cambrian, Chuar Group, Ford, Grand Canyon Supergroup, In, It, Kwagunt Formation, Later, Precambrian, Sixty Mile Formation, Sixtymile, Sixtymile Canyon, The, The Sixtymile Formation, They, Timmons, Tonto Group
related to Age · 13
Sixtymile Formation → As, Cambrian, Chuar Group, Grand Canyon, However, In, Karl Karlstrom, Lake Mead, Ma, The U-Pb, Thus, Tonto Group, Walcott Member
related to Description · 13
Sixtymile Formation → Blocks, Chert, Chuar Syncline, In, Individual, Middle Member, The, The Middle Member, The Sixtymile Formation, They, This, Upper Member, Walcott Member
related to Depositional environment · 8
Sixtymile Formation → Butte, Chuar, Chuar Syncline, Lower Member, Middle Member, The, The Sixtymile Formation, The Upper Member
is a · 2
Sixtymile Formation → disconformity that laterally becomes an angular unconformity, very thin accumulation of sandstone
Country · 1
Sixtymile Formation → United States
Extent · 1
Sixtymile Formation → the Chuar syncline, Grand Canyon
Named by · 1
Sixtymile Formation → Ford et al. (1972), Ford and Breed (1973), and Elston (1979)

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Important terminology

sixtymile formation chuar member syncline sandstone group canyon upper grand middle within ft tapeats beds butte nankoweap lower underlying fault

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Sixtymile FormationCountryUnited States1.00infobox
Sixtymile FormationExtentthe Chuar syncline, Grand Canyon1.00infobox
Sixtymile FormationNamed byFord et al. (1972), Ford and Breed (1973), and Elston (1979)1.00infobox
Sixtymile FormationOtherintraformational breccia1.00infobox
Sixtymile FormationOverliesChuar Group1.00infobox
Sixtymile FormationPrimarysiltstone and sandstone1.00infobox
Sixtymile FormationRegionNorthern Arizona1.00infobox
Sixtymile FormationThickness60 m (200 ft), at maximum1.00infobox
Sixtymile FormationTypeGeological formation1.00infobox
Sixtymile FormationUnderliesTapeats Sandstone1.00infobox
Sixtymile FormationUnit ofTonto Group1.00infobox
Sixtymile Formationis avery thin accumulation of sandstone0.90text
Sixtymile Formationis adisconformity that laterally becomes an angular unconformity0.90text

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