Sonsela Member

E757096

The Sonsela Member is a distinctive stratigraphic subdivision of the Chinle Formation, notable for its colorful sedimentary rocks and fossil-rich deposits from the Late Triassic period in the southwestern United States.

All labels observed (1)

Label Occurrences
Sonsela Member canonical 1

How this entity was disambiguated

Statements (44)

Predicate Object
instanceOf stratigraphic unit
age Norian
belongsTo Chinle Group
linked to: Chinle Formation
chronostratigraphicUnit Upper Triassic
linked to: Late Triassic
color purple
red
variegated
white
contains paleosols
petrified wood
continent North America
country United States
depositionalEnvironment floodplain
fluvial
exposedIn Arizona
Colorado
New Mexico
Utah
formationRank member
fossilContent aetosaurs
early dinosaurs and dinosauromorphs
invertebrate fossils
metoposaurid temnospondyls
phytosaurs
plant fossils
fossilPeriod Late Triassic vertebrates
geologicPeriod Late Triassic
hasEconomicInterest paleontological resources
lithology conglomerate
mudstone
sandstone
siltstone
volcaniclastic rocks
locatedIn southwestern United States
notableExposure Petrified Forest National Park
notableFor fossil-rich deposits
overlies Blue Mesa Member
linked to: Blue Mesa
partOf Chinle Formation
region Colorado Plateau province
linked to: Colorado Plateau
researchField sedimentology
stratigraphy
vertebrate paleontology
stratigraphicUnitOf Colorado Plateau
underlies Petrified Forest Member
linked to: Moenkopi Formation

How these facts were elicited

Referenced by (1)

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

Chinle Formation hasMember Sonsela Member