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Mexico, country, North America

(Encyclopedia)CE5 Mexico both: māˈhēkō [key], officially United Mexican States, republic (2015 est. pop. 125,891,000), 753,665 sq mi (1,952,500 sq km), S North America. It borders on the United States in the...

Penobscot, indigenous people of North America

(Encyclopedia)Penobscot pənŏbˈskŏt [key], indigenous people of North America whose language belongs to the Algonquian branch of the Algonquian-Wakashan linguistic stock (see Native American languages). They wer...

Menominee, indigenous people of North America

(Encyclopedia)Menominee mənŏmˈənē [key], indigenous people of North America whose language belongs to the Algonquian branch of the Algonquian-Wakashan linguistic stock (see Native American languages). Also cal...

Illinois, indigenous people of North America

(Encyclopedia)Illinois ĭlˌənoiˈ, –noizˈ [key], confederation of Native North Americans, comprising the Cahokia, the Kaskaskia, the Michigamea, the Moingwena, the Peoria, and the Tamaroa tribes. They belong t...

batholith

(Encyclopedia)batholith, enormous mass of intrusive igneous rock, that is, rock made of once-molten material that has solidified below the earth's surface (see rock). Batholiths usually are granitic (see granite) i...

Shawnee, indigenous people of North America

(Encyclopedia)Shawnee shôˈwənō [key], Native North Americans whose language belongs to the Algonquian branch of the Algonquian-Wakashan linguistic stock (see Native American languages). Their earliest known hom...

metamorphism

(Encyclopedia)metamorphism, in geology, process of change in the structure, texture, or composition of rocks caused by agents of heat, deforming pressure, shearing stress, hot, chemically active fluids, or a combin...

Canadian Shield

(Encyclopedia)Canadian Shield or Laurentian Plateau lôrĕnˈchən [key], U-shaped region of ancient rock, the nucleus of North America, stretching N from the Great Lakes to the Arctic Ocean. Covering more than hal...

paleomagnetism

(Encyclopedia)paleomagnetism, study of the intensity and orientation of the earth's magnetic field as preserved in the magnetic orientation of certain minerals found in rocks formed throughout geologic time. Paleom...

Natchez, indigenous people of North America

(Encyclopedia)Natchez năchˈĭz [key], indigenous North American people who lived along St. Catherine's Creek east of the present-day city of Natchez in Mississippi. At the time of contact with the French in 1682,...