stratabound potash-bearing salt in Lao People's Democratic Republic

Geologic information

CountryLao People's Democratic Republic
Location:102.7964, 18.2272
(click for info)
Site typedeposit
Deposit typestratabound potash-bearing salt
Evaporite basinSakhon Nakhon
Basin typeintracratonic basin
Geologic unitMaha Sarakham Fm
Upper Cretaceous
Minimum:Mesozoic-Cretaceous-Upper Cretaceous
Maximum:Mesozoic-Cretaceous-Upper Cretaceous
Potassium minerals:
Other minerals:
Notes:Chinese literature classifies the Lao potash as part of the Paleocene Thangone Formation (Tan and others, 2010).
Geologic map unit102.7964, 18.2272
Nearby scientific dataFind additional scientific data near this location

Economic information

Thickness5.4-100 (ave 38.3)m
Average grade25.0-34.2% K2O
Estimates of reserves or resources
Ore tonnage1) 50.344 res; 2) 1384 inf, 48700 P1+P2Million tonnes
K2O tonnage1) 4.6 resMillion tonnes
Grade of K2O1) 9.1% of ore
Data source1) Marutani (2006); 2) Lao Dept. of Geology and Mines (2000)

Reference information


Economic and Social Commission for Asia and the Pacific, 1990, Lao People's Democratic Republic: New York, United Nations, Atlas of Mineral Resources of the ESCAP Region, v. 7, 19 p.
Fan, P.-F., 2000, Accreted terranes and mineral deposits of Indochina: Journal of Asian Earth Sciences, v. 18, no. 3, p. 343-350.
Garrett, D.E., 1996, Potash; Deposits, processing, properties and uses: New York, Chapman and Hall, 734 p.
Hite, R.J., 1986, Potash deposits of the Khorat Plateau, Thailand, in Workshop on Occurrence, Exploration and Development of Fertilizer Minerals, Fertilizer minerals in Asia and the Pacific: Bangkok, Thailand, Economic and Social Commission for Asia and the Pacific (ESCAP), Mineral concentrations and hydrocarbon accumulations in the ESCAP region, v. 1, p. 51-73.
Hite, R.J., and Japakasetr, Thawat, 1979, Potash deposits of the Khorat Plateau, Thailand and Laos: Economic Geology, v. 74, no. 2, p. 448-458.
Lao PDR Department of Geology and Mines, 2000, Mineral reserves in Lao P.D.R.: Vientiane, Lao PDR Department of Geology and Mines Web page accessed December 27, 2007, at
Marutani, Masaharu, 2006, Final report for economic geology FR2, Sector plan for sustainable development of the mining sector in the Lao PDR: Washington, D.C., The World Bank, Trust Fund #030670, 36 p. and appendices.
Tan H., Ma H., Li B., Zhange X., and Xiao Y., 2010, Strontium and boron isotopic constraint on the marine origin of the Khammuane potash deposits in southeastern Laos: Chinese Science Bulletin, v. 55, no. 27-28, p. 3,181-3,188.