Toroweap Formation
E1006661
The Toroweap Formation is a Permian-age sedimentary rock unit of the southwestern United States, notable for its sandstone, limestone, and gypsum layers that form prominent cliffs and slopes in the Grand Canyon region.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
sedimentary rock unit ⓘ |
| ageRange | middle Permian ⓘ |
| contains |
eolian sandstone beds
ⓘ
evaporite deposits ⓘ marine limestone beds ⓘ |
| containsFossils | marine invertebrates ⓘ |
| containsMineral |
anhydrite
ⓘ
calcite ⓘ gypsum ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| depositionalEnvironment |
coastal eolian
ⓘ
shallow marine ⓘ tidal flat ⓘ |
| exposedIn | Grand Canyon NERFINISHED ⓘ |
| forms |
cliff-forming units
ⓘ
slope-forming units ⓘ |
| geologicAge | Permian ⓘ |
| geologicPeriod | Permian period ⓘ |
| geologicProvince | Colorado Plateau Province NERFINISHED ⓘ |
| hasColor |
gray
ⓘ
reddish-brown ⓘ tan ⓘ |
| hasMember |
Brady Canyon Member
NERFINISHED
ⓘ
Seligman Member ⓘ Wood Ranch Member NERFINISHED ⓘ |
| isImportantFor | reconstructing Permian paleoenvironments ⓘ |
| isMappedBy | U.S. Geological Survey NERFINISHED ⓘ |
| isPartOfSequence | Permian stratigraphic sequence of the Grand Canyon ⓘ |
| isWellExposedAt |
North Rim of the Grand Canyon
NERFINISHED
ⓘ
Toroweap Overlook NERFINISHED ⓘ |
| lithology |
gypsum
ⓘ
limestone ⓘ sandstone ⓘ |
| locatedIn |
Arizona
NERFINISHED
ⓘ
Nevada ⓘ Utah ⓘ |
| namedFor | Toroweap Valley NERFINISHED ⓘ |
| notableFor |
prominent cliffs
ⓘ
slopes ⓘ |
| overlies | Coconino Sandstone NERFINISHED ⓘ |
| partOf |
Colorado Plateau
NERFINISHED
ⓘ
Grand Canyon stratigraphy NERFINISHED ⓘ |
| region |
southwestern United States
ⓘ
surface form:
Southwestern United States
|
| stratigraphicUnitOf | Grand Canyon Supergroup NERFINISHED ⓘ |
| thickness | approximately 70 to 150 meters ⓘ |
| underlies | Kaibab Formation NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.