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.

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Statements (44)

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

Referenced by (1)

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

Chinle Formation hasMember Sonsela Member