Laurentia  search
RTAtlantic region
 Baltica
 Canadian Shield
 continental drift
 Greenland
 Laurasia
 North America
 plate tectonics
 Scotland
 supercontinents
SNAncient continent which formed in the early Proterozoic. It preceeded Laurasia. Included much of the Canadian Shield and Greenland and NW Scotland. Indexed with countries and continents as applicable. Added to Thesaurus in 1993.
Laurentian Highlands  search
SNNot a valid term for GeoRef. Use Canadian Shield or, for the mountains of S Quebec, use Laurentian Mountains as applicable.
Laurentian Plateau  search
USECanadian Shield