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Statements

Subject Item
dbr:Colorado_Group
rdf:type
yago:Region108630985 yago:YagoGeoEntity yago:Object100002684 yago:YagoPermanentlyLocatedEntity yago:YagoLegalActorGeo dbo:Organisation yago:WikicatCretaceousPaleontologicalSitesOfNorthAmerica yago:GeographicalArea108574314 yago:PhysicalEntity100001930 yago:Location100027167 yago:Site108651247 yago:Tract108673395
rdfs:label
Colorado Group
rdfs:comment
Colorado is a geologic name applied to certain rocks of Cretaceous age in the North America, particularly in the western Great Plains. This name was originally applied to classify a group of specific marine formations of shale and chalk known for their importance in Eastern Colorado. The surface outcrop of this group produces distinctive landforms bordering the Great Plains and it is a significant feature of the subsurface of the Denver Basin and the Western Canadian Sedimentary Basin. These formations record important sequences of the Western Interior Seaway, and as the geology of this seaway was studied, this name came to be used in states beyond Colorado, but was later replaced in several of these states with more localized names.
dbp:name
Colorado Group
dcterms:subject
dbc:Stratigraphy_of_Alberta dbc:Cretaceous_Alberta dbc:Western_Canadian_Sedimentary_Basin dbc:Lower_Cretaceous_Series_of_North_America dbc:Cretaceous_British_Columbia dbc:Stratigraphy_of_British_Columbia dbc:Upper_Cretaceous_Series_of_North_America dbc:Geologic_groups_of_North_America
dbo:wikiPageID
21760649
dbo:wikiPageRevisionID
1123467895
dbo:wikiPageWikiLink
dbr:Wapiabi_Formation dbr:Dunvegan_Formation dbr:Abilene,_Kansas dbr:Montana_Group dbr:Coccolith dbr:Graneros_Shale dbr:Greenhorn_Limestone dbr:Paddy_Member dbr:Phillips_Sandstone dbr:Front_Range dbc:Stratigraphy_of_Alberta dbr:Medicine_Hat_Sandstone dbc:Cretaceous_Alberta dbr:Rhythmite dbr:Pyrite dbr:Ferdinand_Vandeveer_Hayden dbr:Siderite dbr:Sandstone dbr:Donald_E._Hattin dbr:Chalk dbr:Coniacian dbr:First_White_Speckled_Shale dbr:Geochronology dbr:Western_Interior_Seaway dbr:Canadian_Rockies dbr:Smoky_Hills dbr:Northern_Alberta dbr:Smoky_Group dbr:Western_Canadian_Sedimentary_Basin dbr:Williston_Basin dbr:Smoky_Hill_Chalk dbr:Ashville_Formation dbr:Denver_Basin dbr:Saskatchewan dbr:Cardium_Formation dbr:Alberta_Group dbr:Formation_(stratigraphy) dbr:Pierre dbc:Western_Canadian_Sedimentary_Basin dbr:Canadian_Shield dbr:Western_Canada dbr:North_America dbr:Milankovitch_cycles dbr:Turonian dbc:Lower_Cretaceous_Series_of_North_America dbr:Missouri_River dbr:Group_(stratigraphy) dbr:Glaciology dbr:Fox_Hills_Formation dbr:Colorado dbr:United_States_Geological_Survey dbr:Limon,_Colorado dbr:Dakota_Hogback dbr:Niobrara_Formation dbr:Coquina dbr:Vermillion_River_Formation dbr:Blairmore_Group dbr:Benton_Shale dbr:Calcite dbr:Dakota_Formation dbr:Albian dbr:Grove_Karl_Gilbert dbr:Fort_Hays_Limestone_Member dbr:Dakota_Group dbr:Transcontinental_Arch dbr:Crowsnest_Formation dbc:Cretaceous_British_Columbia dbr:Milk_River_Formation dbr:Manitoba dbr:Mancos_Shale dbr:Second_White_Speckled_Shale dbr:Natural_gas dbr:Shaftesbury_Formation dbr:Lea_Park_Formation dbr:Rocky_Mountains dbr:Montana dbr:Mannville_Group dbr:Martin_Sandy_Zone dbr:Carlile_Shale dbr:Cretaceous dbr:Pierre_Shale dbr:Phosphorite dbr:Fielding_Bradford_Meek dbr:Swan_River_Group dbr:Central_Alberta dbr:Flatiron_(geomorphology) dbr:Geological_formation dbr:Kansas_Pacific_Railway dbr:Sequence_(geology) dbc:Stratigraphy_of_British_Columbia dbr:Bowdoin_Sandstone dbr:Niobrara_Shale dbr:Southern_Alberta dbr:Siltstone dbr:Great_Plains dbr:Lloydminster dbr:Favel_Formation dbc:Upper_Cretaceous_Series_of_North_America dbr:Santonian dbr:Geological_unit dbr:Labiche_Formation dbr:Limestone dbc:Geologic_groups_of_North_America dbr:Unconformity dbr:Conglomerate_(geology) dbr:Powder_River_Basin dbr:Blackstone_Formation,_Canada dbr:Shale
dbo:wikiPageExternalLink
n19:mbmg534-roadlog.pdf
owl:sameAs
wikidata:Q5148813 yago-res:Colorado_Group freebase:m.05mxwc0 n18:4iAdS
dbp:southAb
yes
dbp:subunits
Colorado and Kansas: dbr:Niobrara_Formation dbr:Bowdoin_Sandstone dbr:Graneros_Shale dbr:Medicine_Hat_Sandstone dbr:Second_White_Speckled_Shale dbr:Cardium_Formation dbr:Greenhorn_Limestone dbr:Phillips_Sandstone dbr:Carlile_Shale Elsewhere: dbr:First_White_Speckled_Shale dbr:Martin_Sandy_Zone
dbp:underlies
dbr:Lea_Park_Formation dbr:Milk_River_Formation dbr:Montana_Group
dbp:wikiPageUsesTemplate
dbt:Flag dbt:Colorado dbt:Cite_journal dbt:Western_Canadian_Sedimentary_Basin dbt:Fossil_range dbt:About dbt:Infobox_Rockunit dbt:Short_description dbt:Reflist dbt:Convert
dbp:age
middle Albian to Santonian
dbp:country
,
dbp:period
Cretaceous
dbp:region
, , , ,
dbp:thickness
more than
dbp:type
dbr:Geological_formation
dbo:abstract
Colorado is a geologic name applied to certain rocks of Cretaceous age in the North America, particularly in the western Great Plains. This name was originally applied to classify a group of specific marine formations of shale and chalk known for their importance in Eastern Colorado. The surface outcrop of this group produces distinctive landforms bordering the Great Plains and it is a significant feature of the subsurface of the Denver Basin and the Western Canadian Sedimentary Basin. These formations record important sequences of the Western Interior Seaway, and as the geology of this seaway was studied, this name came to be used in states beyond Colorado, but was later replaced in several of these states with more localized names. The USGS convention has been to use Colorado Group where the rocks are further divided into formations, Colorado Formation where no beds are developed enough to be mapped as formations, and Colorado Shale where the unit is composed of little more than shale with no distinctive structures (such as in north-central Montana).
dbp:centralPlains
yes
dbp:namedby
dbr:Ferdinand_Vandeveer_Hayden
dbp:namedfor
Colorado, specifically for the hogbacks and plains facing the Front Range of that state
dbp:otherlithology
Siltstone, Conglomerate, Limestone, concretionary beds
dbp:overlies
dbr:Dakota_Group dbr:Mannville_Group dbr:Blairmore_Group dbr:Swan_River_Group
dbp:prilithology
dbr:Shale dbr:Chalk dbr:Sandstone
gold:hypernym
dbr:Unit
prov:wasDerivedFrom
wikipedia-en:Colorado_Group?oldid=1123467895&ns=0
dbo:wikiPageLength
23045
foaf:isPrimaryTopicOf
wikipedia-en:Colorado_Group