Glen Canyon Group

E593378

The Glen Canyon Group is a sequence of Early Jurassic sedimentary rock formations in the southwestern United States, notable for its extensive desert and fluvial deposits that record the transition from arid dune fields to river and lake environments.

All labels observed (1)

Label Occurrences
Glen Canyon Group canonical 3

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf geologic group
chronostratigraphicRange Hettangian
Pliensbachian
Sinemurian
containsDeposits eolian sandstone
fluvial deposits
lacustrine deposits
containsFossils dinosaur tracks
vertebrate fossils
country United States
depositionalSetting continental
economicUse aquifer
environmentOfDeposition desert dune field
lake system
river system
geologicAge Early Jurassic
geologicPeriod Jurassic
grainSize fine- to medium-grained sandstone
hasColor reddish
tan
includesFormation Kayenta Formation
Moenave Formation
Navajo Sandstone
Wingate Sandstone
lithology conglomerate
mudstone
sandstone
siltstone
locatedIn southwestern United States
namedFor Glen Canyon
notableExposure Arches National Park
Canyonlands National Park
Glen Canyon National Recreation Area
Zion National Park
overlies Chinle Formation
partOf Colorado Plateau
porosity high in sandstone units
recordsTransition arid dune fields to river and lake environments
region Arizona
Colorado
New Mexico
Utah
researchSignificance record of Early Jurassic paleoclimate on the Colorado Plateau
stratigraphicThickness hundreds of meters (approximate)
tectonicSetting passive continental interior basin
underlies San Rafael Group

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Kayenta Formation partOf Glen Canyon Group
San Rafael Group overlies Glen Canyon Group
Wingate Sandstone stratigraphicGroup Glen Canyon Group