Lake Superior Iron Ranges

URI: https://gptkb.org/entity/Lake_Superior_Iron_Ranges
GPTKB entity
Statements (37)
Predicate Object
gptkbp:instanceOf iron range
gptkbp:composedOf gptkb:Cuyuna_Range
gptkb:Mesabi_Range
gptkb:Vermilion_Range
gptkb:Gogebic_Range
Gunflint Range
Marquette Range
Menominee Range
Michipicoten Range
gptkbp:contains banded iron formations
gptkbp:country gptkb:Canada
gptkb:United_States
gptkbp:economicImportance major source of iron for North America
gptkbp:geologicalAge gptkb:Precambrian
gptkbp:hasResource gptkb:iron_ore
https://www.w3.org/2000/01/rdf-schema#label Lake Superior Iron Ranges
gptkbp:locatedIn gptkb:Canada
gptkb:United_States
gptkbp:majorMiningBegan late 19th century
gptkbp:miningDeclined late 20th century
gptkbp:miningMethod underground mining
open-pit mining
gptkbp:namedAfter gptkb:Lake_Superior
gptkbp:notableTown gptkb:Ironwood
gptkb:Marquette
gptkb:Wawa
gptkb:Duluth
gptkb:Hibbing
gptkbp:partOf gptkb:Canadian_Shield
Superior Upland
gptkbp:province gptkb:Ontario
gptkbp:significance steel production
iron mining
gptkbp:state gptkb:Michigan
gptkb:Minnesota
gptkbp:bfsParent gptkb:Mesabi_Range
gptkbp:bfsLayer 6