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Salt comes from two main sources: sea water, and the sodium chloride mineral halite (also known as rock salt). Rock salt occurs in vast beds of sedimentary evaporite minerals that result from the drying up of enclosed lakes, playas, and seas. Salt beds may be up to 350 metres (1,150 ft) thick and underlie broad areas.
A salt evaporation pond in Tamil Nadu, India. Sea salt is salt that is produced by the evaporation of seawater. It is used as a seasoning in foods, cooking, cosmetics and for preserving food. It is also called bay salt, [1] solar salt, [2] or simply salt. Like mined rock salt, production of sea salt has been dated to prehistoric times .
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Mar 31, 2021 · S.J. Sherlock. Stone Age Britons extracted salt from seawater using industrial-style processes more than 5500 years ago. The discovery means people in Great Britain were producing salt...
- Science Writer
Apr 12, 2012 · Salt is available to us in two forms, rock salt and sea salt, and it has been harvested or mined in Britain and Ireland since the Iron Age. Several salts are found in rocks or the sea, but in its purest form common salt is the compound sodium chloride. Purified it tastes rather harsh, good quality salt has a much more subtle flavour because the ...
Mar 15, 1982 · 5 minute read. By TIME Staff. March 15, 1982 12:31 PM EST. S alt comes from dead, dried-up seas or living ones. It can bubble to the surface as brine or crop out in the form of salt licks and ...
This IHA provides an introduction to pre-industrial salterns. Salterns, or ‘salt works’, are places where crystalline salt was extracted from salt water - either sea water, or brine from inland springs. Salt production follows a process of evaporation until crystals of sodium chloride are precipitated from sea-water or inland brine.
Early human hunters obtained their salt from eating animal meat. As they turned to agriculture and the diet changed, they found that salt (maybe as sea water) gave vegetables the same salty flavour they were accustomed to with meat. Over many millennia, they learned how salt helped to preserve food, cure hides and heal wounds. Nomadic bands ...
