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September 2000
Volume 52    Issue 9

Belt weigher aids Chilean salt mining

Mining Engineering, 2000, Vol. 52, No. 9, pp. 18-19


PREVIEW:
Northern Chile’s Atacama Desert holds several major deposits of caliche, natural Chilean saltpeter. These near-surface deposits are under a 200-mm-(8-in.-) deep rock bed. This highgrade salt is used by the chemical industry as a basic material. The deposit is rich in nitrogen and also contains high percentages of iodine and boron.


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