Bright Angel Shale
The Cambrian Bright Angel Shale is the middle member of the 3-member Tonto Group. It is about 500 feet (152 m) thick at its maximum. It is a nonresistant slope-forming unit. The Bright Angel Shale consists of green and purple-red, siltstone and shale which is interbedded with red-brown to brown sandstone that is similar in lithology to the underlying Tapeats. The Bright Angel Shale underlies and interfingers with Muav Limestone. The Bright Angel Shale is located in the lower elevations of the Grand Canyon, Arizona.
Bright Angel Shale
The Cambrian Bright Angel Shale is the middle member of the 3-member Tonto Group. It is about 500 feet (152 m) thick at its maximum. It is a nonresistant slope-forming unit. The Bright Angel Shale consists of green and purple-red, siltstone and shale which is interbedded with red-brown to brown sandstone that is similar in lithology to the underlying Tapeats. The Bright Angel Shale underlies and interfingers with Muav Limestone. The Bright Angel Shale is located in the lower elevations of the Grand Canyon, Arizona.
has abstract
The Cambrian Bright Angel Shal ...... of the Grand Canyon, Arizona.
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Link from a Wikipage to an external page
Wikipage page ID
40,618,445
Wikipage revision ID
729,818,477
age
Middle Cambrian
Caption
Muav Limestone- and Bright Ang ...... , inner canyon, Granite Gorge.
country
imagesize
namedfor
Bright Angel Canyon, Bright Angel quadrangle, Coconino Co., Arizona
otherlithology
sandstone and glauconitic sandstone
overlies
period
prilithology
micaceous siltstone and shale
region
northern Arizona, southeast California, southern Nevada, and southcentral Utah
Thickness
at its maximum
underlies
unitof
subject
hypernym
type
comment
The Cambrian Bright Angel Shal ...... of the Grand Canyon, Arizona.
@en
label
Bright Angel Shale
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