|
gptkbp:instanceOf
|
geological formation
|
|
gptkbp:age
|
Cretaceous
|
|
gptkbp:contains
|
amber
sandstone beds
fossil wood
dinosaur tracks
coal seams
ironstone concretions
aquifers
leaf impressions
petrified logs
shale beds
|
|
gptkbp:depositionalEnvironment
|
gptkb:island
fluvial
deltaic
|
|
gptkbp:describedYear
|
1862
|
|
gptkbp:economicImportance
|
gptkb:building
uranium deposits
groundwater resource
|
|
gptkbp:exposedBy
|
gptkb:Colorado
gptkb:Iowa
gptkb:Kansas
gptkb:Minnesota
gptkb:Nebraska
gptkb:New_Mexico
gptkb:Oklahoma
gptkb:Texas
gptkb:Utah
gptkb:Wyoming
|
|
gptkbp:firstDescribed
|
Meek and Hayden
|
|
gptkbp:fossil
|
dinosaur fossils
plant fossils
invertebrate fossils
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Dakota Formation
|
|
gptkbp:lithology
|
gptkb:coal
gptkb:stone
|
|
gptkbp:locatedIn
|
gptkb:North_America
|
|
gptkbp:namedAfter
|
gptkb:Dakota_Territory
|
|
gptkbp:overlies
|
gptkb:Morrison_Formation
gptkb:Graneros_Shale
|
|
gptkbp:primaryLithology
|
gptkb:stone
|
|
gptkbp:region
|
gptkb:Midwestern_United_States
gptkb:Great_Plains
gptkb:Western_Interior_Seaway
|
|
gptkbp:stratigraphicUnitOf
|
gptkb:Cretaceous_System
|
|
gptkbp:subunit
|
gptkb:Dakota_Group
|
|
gptkbp:thickness
|
varies from 15 to 200 meters
|
|
gptkbp:underlies
|
gptkb:Graneros_Shale
gptkb:Benton_Group
|
|
gptkbp:bfsParent
|
gptkb:Morrison_Formation
|
|
gptkbp:bfsLayer
|
6
|