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272:(GEMICO), which was 50% owned by Congolese. Géomines was to remain responsible for technical operations and for marketing. The agreement had not been finalized by the end of the year. Géomines continued to be the only major company in the DRC that was completely directed from Belgium. In 1968 Zairetain acquired Géomines.
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crushed, and then the tin-bearing particles were washed out with water. The process was labor-intensive and proceeded slowly in the 1920s. With a monopoly on tin, Géomines followed the rational approach of extracting lower-grade ores while prices were high and higher-grade ores when prices were lower.
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to contain 10,000,000 cubic metres (350,000,000 cu ft) of water to support tin mining operations at Manono. Water would be pumped from the reserve for washing operations in the dry season. Géomines was very profitable. From 1934 it consistently declared profits of about 33% of gross sales
212:(Cominière) provided 22.5%, diluting the interest of the Liège group. In 1929 the capital was raised to 200 million francs. The CSK now had complete control of what had become one of the world's largest tin producers. Géomines was one of the five largest companies in the Belgian Congo before the
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Géomines was given an exclusive concession in a large area. In 1915 extraction of cassiterite began in the Géomines concession, producing 150 tonnes per year. The deposits were near the surface and sometimes as much as 30 to 60 metres (98 to 197 ft) thick. They were dug up with shovels and
206:(CSK), for much of the work. Foraky charged high prices for its work, thus transferring profit from Géomines to CSK. In 1920 the transition to a full-scale operating company required 12 million francs of additional capital. CSK provided 30% and the
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were produced, falling to 2.543 tonnes in 1967. About 2,000 tonnes of smelter tin were produced in 1966 and 1967. In 1967 Géomines personnel included 50 European technicians and 3,500 Congolese. The
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120:. It was established in 1910, and exploited a large deposit in the southeast of the country to become one of the largest tin producers in the world. It was taken over by Zairetain in 1968.
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was worked almost continuously until the late 1970s, first by Géomines and later by Congo-Etain and
Zairetain. Perhaps 180,000 tonnes of cassiterite ore were extracted in this period.
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Hillman, John (1997), "Chartered
Companies and the Development of the Tin Industry in Belgian Africa, 1900-1939",
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510:
Woodmansee, Walter C. (1969), "The
Mineral Industry of the Democratic Republic of the Congo (Kinshasa)",
437:(S1, Finance, Investment and Risk), Wiley on behalf of the Economic History Society: 135–166 – via
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165:(Géomines) was founded in 1910. Géomines was formed as a prospecting company by the president of
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173:. It found various kinds of mineral deposits, but much the most important was tin. A deposit of
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In March 1967 it was announced Géomines operations were being transferred to the
427:"Returns on Investments during the Colonial Era: The Case of the Belgian Congo"
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Compagnie Géologique et Minière des Ingénieurs et
Industriels belges
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Compagnie Géologique et Minière des Ingénieurs et
Industriels belges
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Compagnie Géologique et Minière des Ingénieurs et
Industriels belges
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1968 disestablishments in the
Democratic Republic of the Congo
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Mining companies of the
Democratic Republic of the Congo
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Non-renewable resource companies disestablished in 1968
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Non-renewable resource companies established in 1910
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Minerals yearbook: Area reports: international 1967
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238:Compagnie du Congo pour le Commerce et l'Industrie
519:, vol. IV, Bureau of Mines, pp. 213–218
249:of its tin in Europe, or 15% of nominal capital.
244:In 1932 Geomines was building a reservoir on the
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425:Buelens, Frans; Marysse, Stefaan (August 2009),
466:(25), University of Wisconsin Press: 149–173,
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112:) was a Belgian mining company active in the
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480:Manono-Kitotolo Lithium Tailings Project
200:, a subsidiary of the state-controlled
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209:Société commerciale et Minière du Congo
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270:Société Géologique et Minière du Congo
48:Mining of other non-ferrous metal ores
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318:Manono -Kitotolo Lithium Tailings..
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226:Minière des Grands Lacs Africains
575:Companies disestablished in 1968
483:, Tantalex Resources Corporation
446:"Comité spécial du Katanga. CSK"
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118:Democratic Republic of the Congo
98:Democratic Republic of the Congo
414:Engineering and mining journal
288:Comité spécial du Katanga. CSK
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219:Union Minière du Haut-Katanga
16:Former Belgian mining company
420:. McGraw Hill Pub. Co. 1932.
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545:Mining companies of Belgium
431:The Economic History Review
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560:Mining in Katanga Province
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345:Buelens & Marysse 2009
214:Wall Street Crash of 1929
203:Comité Spécial du Katanga
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555:Defunct mining companies
464:African Economic History
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257:In 1966 2,818 tonnes of
216:, the others being the
196:Géomines depended on
177:was found in 1910 in
412:"Belgian Congo...".
232:Compagnie du Katanga
153:class=notpageimage|
187:Tanganyika Province
171:University of Liège
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565:History of Katanga
263:Manono-Kitolo mine
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253:Post-independence
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37:Company type
396:Manono USGS
259:cassiterite
175:cassiterite
89:Area served
529:Categories
503:2021-04-06
487:2021-04-06
455:2021-04-03
27:Trade name
185:(now in
106:Géomines
45:Industry
32:Géomines
405:Sources
80:Defunct
70: (
65:Founded
499:, USGS
496:Manono
221:(UMHK)
198:Foraky
179:Manono
145:Manono
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51:mining
40:Mining
517:(PDF)
439:JSTOR
276:Notes
235:and
161:The
83:1968
72:1910
68:1910
468:doi
418:133
189:).
181:in
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108:(
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