Summerville Formation
E273048
The Summerville Formation is a Late Jurassic sedimentary rock unit in the western United States, characterized by thin-bedded mudstones and sandstones deposited in tidal flat and coastal environments.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Summerville Formation canonical | 2 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
sedimentary rock unit ⓘ |
| beddingCharacteristic | thin-bedded ⓘ |
| climateIndicator | arid to semi-arid conditions ⓘ |
| colorCharacteristic |
brown
ⓘ
red ⓘ |
| contains |
evaporite beds
ⓘ
gypsum ⓘ limestone lenses ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| depositionalEnvironment |
coastal
ⓘ
tidal flat ⓘ |
| diageneticFeature |
cemented by calcite
ⓘ
iron-oxide staining ⓘ |
| exposedIn | canyons of the Colorado Plateau ⓘ |
| fossilContent |
dinosaur tracks
ⓘ
invertebrate trace fossils ⓘ |
| geologicAge | Jurassic ⓘ |
| geologicPeriod | Late Jurassic ⓘ |
| grainSize | fine-grained ⓘ |
| hasEconomicInterest | construction stone (local use) ⓘ |
| hasStratigraphicRank | formation ⓘ |
| hasStratigraphicRelationship | correlative with Curtis Formation in some areas ⓘ |
| lithology |
mudstone
ⓘ
sandstone ⓘ |
| locatedIn | western United States ⓘ |
| namedFor | Summerville Point, Emery County, Utah ⓘ |
| notableExposure |
Arches National Park
ⓘ
Capitol Reef National Park ⓘ Dinosaur National Monument ⓘ |
| overlies | Entrada Sandstone ⓘ |
| paleogeography | nearshore marine to coastal plain ⓘ |
| partOf | San Rafael Group ⓘ |
| primarySedimentaryProcess | tidal deposition ⓘ |
| region |
Colorado
ⓘ
New Mexico ⓘ Utah ⓘ Wyoming ⓘ |
| researchField |
sedimentology
ⓘ
stratigraphy ⓘ |
| sedimentaryStructure |
mud cracks
ⓘ
ripple marks ⓘ |
| stratigraphicUnitOf |
Colorado Plateau
ⓘ
surface form:
Colorado Plateau region
|
| tectonicSetting | passive continental margin ⓘ |
| thickness | generally less than 100 meters ⓘ |
| timeSpanEnd |
Kimmeridgian stage
ⓘ
surface form:
Kimmeridgian
|
| timeSpanStart | Oxfordian ⓘ |
| underlies | Morrison Formation ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.