M. Margneritte, of Paris, well-known as a distinguished chemist, has discovered a valuable mode of purifying rock and sea salt. The latter is, for the most part, delivered for consumption in such ...

In truth, it's the result of ocean water breaking down rocks ... large, shallow salt evaporation ponds, which sometimes occur naturally and are sometimes formed artificially. Not all salt sold as ...

The megaflood that refilled the Mediterranean Sea 5 million years ago was so huge and fast that it shaped the landscape of ...

Salt in the sea, or ocean salinity, is mainly caused by rain washing mineral ions from the land into water. Carbon dioxide in the air dissolves into rainwater, making it slightly acidic. When rain ...