Carmel Formation
E593377
The Carmel Formation is a Middle Jurassic geologic unit of the western United States, characterized by marine and marginal-marine sediments that record a transition from desert dune environments to shallow seas.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Carmel Formation canonical | 3 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
stratigraphic unit ⓘ |
| age | approximately 170–165 million years old ⓘ |
| associatedWith | San Rafael Swell outcrops ⓘ |
| color |
commonly reddish-brown
ⓘ
gray ⓘ |
| contains |
evaporite beds
ⓘ
interbedded carbonates and clastics ⓘ |
| containsFossilsOf |
ammonites
ⓘ
bivalves ⓘ gastropods ⓘ marine invertebrates ⓘ trace fossils ⓘ |
| containsSedimentaryStructures |
bioturbation
ⓘ
hummocky cross-stratification ⓘ mud cracks ⓘ ripple cross-lamination ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| depositionalSetting | epeiric sea on the North American craton ⓘ |
| environmentOfDeposition |
marginal-marine
ⓘ
marine ⓘ shallow marine shelf ⓘ tidal flat ⓘ |
| exposedIn |
Arizona
NERFINISHED
ⓘ
Colorado NERFINISHED ⓘ New Mexico NERFINISHED ⓘ Utah NERFINISHED ⓘ |
| geologicPeriod | Middle Jurassic ⓘ |
| lithology |
gypsum
ⓘ
limestone ⓘ mudstone ⓘ sandstone ⓘ shale ⓘ siltstone ⓘ |
| locatedInRegion | western United States ⓘ |
| namedFor | Carmel Junction, Utah NERFINISHED ⓘ |
| overlies | Navajo Sandstone NERFINISHED ⓘ |
| paleogeography | records encroachment of the Sundance Sea or related seaways ⓘ |
| partOf | San Rafael Group NERFINISHED ⓘ |
| recordsTransitionFrom | eolian desert dunes ⓘ |
| recordsTransitionTo | shallow marine seas ⓘ |
| significance | records transition from arid continental to marine conditions in the Colorado Plateau region ⓘ |
| stratigraphicRelationships |
conformable on Navajo Sandstone in many areas
ⓘ
locally disconformable contacts with adjacent units ⓘ |
| tectonicSetting | western margin of the North American craton ⓘ |
| thickness | varies laterally ⓘ |
| underlies | Entrada Sandstone NERFINISHED ⓘ |
| usedFor | regional stratigraphic correlation in the Colorado Plateau ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.