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  3. Evaporite-related potash resources

Taquari-Vassouras

stratabound potash-bearing salt in Brazil

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Geologic information

CountryBrazil
Location:-37.0342, -10.6495
(click for info)
Site typemine
Deposit typestratabound potash-bearing salt
Evaporite basinSergipe
Basin typemarine rift basin
Geologic unitMuribeca Fm-Ibura Mbr
Age
Mesozoic
Cretaceous
Lower Cretaceous
Aptian
Minimum:Mesozoic-Cretaceous-Lower Cretaceous-Aptian
Maximum:Mesozoic-Cretaceous-Lower Cretaceous-Aptian
Commodities
Minerals
Potassium minerals:
Other minerals:
Geologic map unit-37.0342, -10.6495
Nearby scientific dataFind additional scientific data near this location

Economic information

Thickness2-31.3 (ave 20.5)m
Depth500-850m
Average grade25% K2O
Production
StatusActive Production (2006)
K2O tonnage18.45Million tonnes
Data yearsthrough 2002
Data sourcede Oliveira (2002)
Estimates of reserves or resources
Ore tonnage810 tot in situMillion tonnes
K2O tonnage201 tot in situMillion tonnes
Grade of K2O24.79% of ore
Data sourceCerqueira and others (1997)

Reference information

Comments

Near the city of Aracaju.

References

Cerqueira, R.M., Chaves, A.P.V., Pessoa, A.F.C., Monteiro, J.L.A., Pereira, J.C., and Wanderley, M.L., 1997, Jazidas de potassio de Taquari/Vassouras, Sergipe [Deposits of potassium, Taquari/Vassouras, Sergipe], in Schobbenhaus, C., Queiroz, E.T., and Silva Coelho, C.E., eds., Principais depositos minerais do Brasil, v. IV, Rochas e minerais industriais [Pricipal mineral deposits of Brazil, v. 4, Industrial rocks and minerals]: Brasilia, [Brazil] Departamento Nacional de Producao Mineral, p. 277-312.
Companhia de Pesquisa de Recursos Minerais, 1999, List of selected mineral deposits in Brazil, in Gurmendi, A.C., Barboza, F.L.M., and Thorman, C.H., eds., The mineral economy of Brazil: U.S. Geological Survey Digital Data Series 5, CD ROM.
Crossley, Penny, 2001, The real deal; Brazil's industrial minerals markets and supply: Industrial Minerals, no. 407, p. 26-49.
de Oliveira, L.A.M., 2002, Potash, in [Brazil] National Department of Mineral Production, Mineral Summary 2002 (22d ed.): Brasilia, [Brazil] National Department of Mineral Production, p. 94-95, accessed September 18, 2012, at http://www.dnpm.gov.br/enportal/mostra_arquivo.asp?IDBancoArquivoArquivo=434.
Garrett, D.E., 1996, Potash; Deposits, processing, properties and uses: New York, Chapman and Hall, 734 p.
Gurmendi, A.C., Barboza, F.L.M., and Thorman, C.H., 1999, The mineral economy of Brazil: U.S. Geological Survey Digital Data Series 53, CD-ROM.
O’Driscoll, Mike, 1989, Brazil’s industrial minerals; Seeking success against all odds: Industrial Minerals, no. 266, p. 23-69.
Reuters, 2008, Companhia Vale do Rio Doce RIO (NYSE): Reuters Web page, accessed January 7, 2008, at http://stocks.us.reuters.com/stocks/fullDescription.asp?rpc=66&symbol=RIO.
Russell, Alison, 1988b, Potash; Long haul recovery under way: Industrial Minerals, no. 244, p. 16-34.
Williams-Stroud, S.C., Searls, J.P., and Hite, R.J., 1994, Potash resources, in Carr, D.D., ed., Industrial minerals and rocks: Littleton, Colo., Society for Mining, Metallurgy and Exploration, p. 783-802.