shield
large, tectonically stable formation of Precambrian crystalline rock
Canadian Shield
geographic and geologic area of Canada
Indian Shield
geological feature
Atlantic Shield
geological shield in eastern South America
Ukrainian Shield
southwest shield of the East European craton
Tuareg Shield
geological formation between the West African craton and the Saharan Metacraton in West Africa
Baltic Shield
segment of the Earth's crust in the East European Craton, representing a large part of Fennoscandia, northwestern Russia and the northern Baltic Sea
East Antarctic craton
cratonic rock body which makes up most of the continent Antarctica
Guiana Shield
geological formation in northeast South America
Australian Shield
large part of the continent of Australia