A world map shows manganese mining locations marked by orange circles with "M n." Key areas include the U S, Mexico, Brazil, South Africa, China, India, Australia, and Europe (Spain, Ukraine). Major clusters are in China, U S, Brazil, and South Africa.
Manganese Mines | Class | Rank | Percent of world production | Extent of U.S., 1803 | Louisiana Purchase, 1803 | West Florida, 1810–1813 | British Cession, 1818 | East Florida, 1819 | Northern Maine, 1842 | Texas Annexation, 1845 | Oregon Country, 1846 | Mexican Cession, 1848 | Gadsden Purchase, 1853 | Alaska, 1867 | Hawaii, 1898 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
18.5 | 91.6% | 79.0% | 7.81% | 30.8% | 98.3% | 16.6% | 50.1% | 57.7% | 66.4% | 12.6% | 63.8% | 91.5% |
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