|
gptkbp:instanceOf
|
epicontinental sea
|
|
gptkbp:alsoKnownAs
|
gptkb:Cretaceous_Seaway
|
|
gptkbp:connects
|
gptkb:Gulf_of_Mexico
gptkb:Hudson_Bay
gptkb:Tethys_Sea
|
|
gptkbp:disappeared
|
about 66 million years ago
|
|
gptkbp:existedDuring
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gptkb:Cretaceous_period
|
|
gptkbp:formed
|
about 100 million years ago
|
|
gptkbp:formedBy
|
tectonic subsidence
high global sea levels
|
|
gptkbp:fossil
|
gptkb:fish
gptkb:ammonites
gptkb:mosasaurs
birds
sea turtles
sharks
marine reptiles
plesiosaurs
pterosaurs
dinosaurs (on landmasses)
inoceramid clams
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Western Interior Seaway
|
|
gptkbp:importantFor
|
paleontology
oil and gas resources
|
|
gptkbp:includedPresentDay
|
gptkb:Alberta
gptkb:Arkansas
gptkb:Colorado
gptkb:Illinois
gptkb:Iowa
gptkb:Kansas
gptkb:Manitoba
gptkb:Mexico
gptkb:Minnesota
gptkb:Missouri
gptkb:Montana
gptkb:Nebraska
gptkb:New_Mexico
gptkb:North_Dakota
gptkb:Oklahoma
gptkb:Saskatchewan
gptkb:South_Dakota
gptkb:Texas
gptkb:Utah
gptkb:Wyoming
|
|
gptkbp:locatedIn
|
gptkb:North_America
|
|
gptkbp:maximumDepth
|
up to 760 meters
|
|
gptkbp:notableSite
|
gptkb:Mancos_Shale
gptkb:Niobrara_Formation
gptkb:Pierre_Shale
gptkb:Bearpaw_Formation
gptkb:Carlile_Shale
|
|
gptkbp:sedimentsInclude
|
gptkb:stone
limestone
chalk
|
|
gptkbp:separates
|
gptkb:Appalachia
gptkb:Laramidia
|
|
gptkbp:stretchedFrom
|
gptkb:Arctic_Ocean
|
|
gptkbp:stretchedTo
|
gptkb:Gulf_of_Mexico
|
|
gptkbp:width
|
up to 1,000 kilometers
|
|
gptkbp:bfsParent
|
gptkb:Acanthoceras
|
|
gptkbp:bfsLayer
|
6
|