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Amapá(əməpä`), state (1991 pop. 373,994), 53,013 sq mi (137,304 sq km), extreme N Brazil, bounded on the N by French Guiana and the Atlantic Ocean. Macapá is the capital. Fishing is an important activity in Amapá; nuts and timber are produced.
(1) Amapa Territory is an administrative unit in northeast Brazil. Area, 140,300 sq km. Population in 1967, 103,000. Administrative center, Macapa. Amapa is primarily a plain, covered with tropical rain forests. Its chief products are hardwood, Brazil nuts, and hevea sap; there are manganese deposits.
(2) Amapa is a major area of manganese ore deposits in Amapa Territory, Brazil. The ore has a manganese content of 46 percent and more. Almost half of the stocks of the exploiting company belong to the US concern Bethlehem Steel Corporation. A railroad connects Amapa and the port Macapa.