An Outline of the History and Development of the Salt Industry in Canada

CIM Bulletin1947
H. A. WILSON
SALT (sodium chloride) occurs naturally either in the solid state as rock salt or in solution as a component of natural brines. It is the major saline constituent of sea water, which contains about 4 percent salt-roughly 164 million tons, or enough to meet world salt demands for five years, per cubic mile.
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