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.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | geologic group ⓘ |
| chronostratigraphicRange |
Hettangian
ⓘ
Pliensbachian NERFINISHED ⓘ Sinemurian ⓘ |
| containsDeposits |
eolian sandstone
ⓘ
fluvial deposits ⓘ lacustrine deposits ⓘ |
| containsFossils |
dinosaur tracks
ⓘ
vertebrate fossils ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| depositionalSetting | continental ⓘ |
| economicUse | aquifer ⓘ |
| environmentOfDeposition |
desert dune field
ⓘ
lake system ⓘ river system ⓘ |
| geologicAge | Early Jurassic ⓘ |
| geologicPeriod | Jurassic NERFINISHED ⓘ |
| grainSize | fine- to medium-grained sandstone ⓘ |
| hasColor |
reddish
ⓘ
tan ⓘ |
| includesFormation |
Kayenta Formation
NERFINISHED
ⓘ
Moenave Formation NERFINISHED ⓘ Navajo Sandstone NERFINISHED ⓘ Wingate Sandstone NERFINISHED ⓘ |
| lithology |
conglomerate
ⓘ
mudstone ⓘ sandstone ⓘ siltstone ⓘ |
| locatedIn | southwestern United States NERFINISHED ⓘ |
| namedFor | Glen Canyon NERFINISHED ⓘ |
| notableExposure |
Arches National Park
NERFINISHED
ⓘ
Canyonlands National Park NERFINISHED ⓘ Glen Canyon National Recreation Area NERFINISHED ⓘ Zion National Park NERFINISHED ⓘ |
| overlies | Chinle Formation NERFINISHED ⓘ |
| partOf | Colorado Plateau NERFINISHED ⓘ |
| porosity | high in sandstone units ⓘ |
| recordsTransition | arid dune fields to river and lake environments ⓘ |
| region |
Arizona
NERFINISHED
ⓘ
Colorado NERFINISHED ⓘ New Mexico NERFINISHED ⓘ Utah NERFINISHED ⓘ |
| researchSignificance | record of Early Jurassic paleoclimate on the Colorado Plateau ⓘ |
| stratigraphicThickness | hundreds of meters (approximate) ⓘ |
| tectonicSetting | passive continental interior basin ⓘ |
| underlies | San Rafael Group NERFINISHED ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.