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bn:01182852n
Noun Named Entity
NL
No term available
EN
The Niobrara Formation, also called the Niobrara Chalk, is a geologic formation in North America that was deposited between 87 and 82 million years ago during the Coniacian, Santonian, and Campanian stages of the Late Cretaceous. Wikipedia
Relations
Sources
IS A
formatie
HAS PART
EN
Smoky Hill Chalk
EN
Fort Hays Limestone Member
COUNTRY
Verenigde Staten
LOCATED IN THE ADMINISTRATIVE TERRITORIAL ENTITY
Minnesota
Montana
UNDERLIES
EN
Pierre Shale

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