Tapeats Sandstone
The Cambrian Tapeats Sandstone is the lower geologic unit, about 230 feet (70 m) thick, at its maximum, of the 3-member Tonto Group. The Tapeats Sandstone is the highly erosion-resistant unit laid upon the Vishnu Basement Rocks in the central, parts of east, and parts of west Grand Canyon, Arizona. The unit comprises the 'base horizontal unit' of the platform around Granite Gorge (Inner Gorge) on the Colorado River, and because of its hardness, creates the Tonto Platform upon which the two slope-forming, highly erodable units, the Muav Limestone, and Bright Angel Shale lie.
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Tapeats Sandstone
The Cambrian Tapeats Sandstone is the lower geologic unit, about 230 feet (70 m) thick, at its maximum, of the 3-member Tonto Group. The Tapeats Sandstone is the highly erosion-resistant unit laid upon the Vishnu Basement Rocks in the central, parts of east, and parts of west Grand Canyon, Arizona. The unit comprises the 'base horizontal unit' of the platform around Granite Gorge (Inner Gorge) on the Colorado River, and because of its hardness, creates the Tonto Platform upon which the two slope-forming, highly erodable units, the Muav Limestone, and Bright Angel Shale lie.
has abstract
The Cambrian Tapeats Sandstone ...... e south side of Granite Gorge.
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Link from a Wikipage to an external page
Wikipage page ID
35,828,060
Wikipage revision ID
717,675,064
age
Early to Middle Cambrian
Caption
Muav Limestone- and Bright Ang ...... m, inner canyon, Granite Gorge
country
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otherlithology
conglomeratic sandstone
overlies
Vishnu Basement Rocks, Unkar G ...... Group, and Sixtymile Formation
period
prilithology
sandstone and conglomerate
region
northern Arizona , central Ari ...... ern Nevada, and southeast Utah
underlies
unitof
subject
comment
The Cambrian Tapeats Sandstone ...... e, and Bright Angel Shale lie.
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Tapeats Sandstone
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