Charles Butters
Charles Butters | |
|---|---|
| Born | Template:Birth date Haverhill, Massachusetts, U.S. |
| Died | November 27, 1933 (aged 79) Berkeley, California, U.S. |
| Occupation(s) | Engineer, metallurgist, mining entrepreneur |
| Years active | 1890–1933 |
| Known for | Introduction of gold cyanidation in Witwatersrand; invention of Butters and Meins' Mechanical Distributor; founder of Chas. Butters & Co Ltd. |
Charles Butters (August 10, 1854 – November 27, 1933) was an American engineer, metallurgist, and mining entrepreneur. After graduating from the University of California, he relocated to Southern Africa in 1890 to construct a chlorination facility for Hermann Eckstein & Company. There, Butters was instrumental in introducing the gold cyanidation technique for extracting gold from low-grade ore, which opened up previously inaccessible deposits in the Witwatersrand. He also invented the Butters and Meins' Mechanical Distributor, a device that enhanced extraction by removing slime from tailings prior to cyanide processing. In 1894, he departed from Eckstein to establish the Rand Central Ore Reduction Company. As a member of the Johannesburg Reform Committee in 1895, he advocated for judicial independence and constitutional reform; his involvement in the Jameson Raid led to a $2,000 fine for complicity.
Upon returning to the United States in 1898, Butters founded Chas. Butters & Co Ltd., through which he accumulated considerable wealth by 1907 via mining operations. He suggested minting coins at his Mexican mines to curtail silver bullion circulation and elevate prices. During the 1926–27 civil conflict, he personally safeguarded his mining interests in Nicaragua despite significant risks.
Early life and career
Born on August 10, 1854, in Haverhill, Massachusetts, Butters completed his studies at the University of California and subsequently worked as a metallurgist within mines across the Western United States.
Southern Africa
In 1890, Butters traveled to the Transvaal to oversee construction of a chlorination plant at the Robinson Gold Mine on behalf of Hermann Eckstein & Company. He introduced the gold cyanidation process there, transforming gold extraction on the Witwatersrand by enabling economically viable recovery from ores of lower grade—significantly improving upon earlier methods such as vanning and shaking tables. His Mechanical Distributor further optimized recovery by processing sand tailings before cyanide treatment. By 1894, he was also experimenting with treating slimes using lime and settling tanks to reclaim residual gold. That year, he left Eckstein and co-founded the Rand Central Ore Reduction Company. As part of the Johannesburg Reform Committee, he took part in the 1895 Jameson Raid, which resulted in a $2,000 fine due to his involvement.
Return to United States
Butters came back to the U.S. in 1898 and managed his own enterprise, Chas. Butters & Co Ltd. By 1907, he had amassed substantial wealth; one gold mine acquired for $40,000 yielded $3 million in dividends and contained an additional $3 million worth of ore reserves. He owned an extensive estate in Rockridge, Oakland, California, and in 1911 opposed expansion of the Oakland, Antioch and Eastern Railroad near his property.
In 1920, he introduced the Butters Plan, proposing minting silver coins in Mexico for use in tax payments and payroll at mines. This strategy sought to reduce silver bullion availability on global markets, thereby increasing prices and allowing mines to purchase goods with coinage intended for export. Previously, silver bullion sales under the Pittman Act had favored British-controlled eastern markets such as India and China at the expense of his mining operations. During the Nicaraguan civil war in 1927, Butters undertook personal risks to defend his mining holdings.
An associate member of the Institution of Civil Engineers, Butters was awarded a medal by the Mining and Metallurgical Society of Freiburg in 1931 recognizing his contributions. Married to Jessie Butters, he passed away on November 27, 1933, in Berkeley, California. His archival materials are held by the University of California, Berkeley Libraries.