CCI ARCHIVES / SCIENCE PHOTO LIBRARY CCI ARCHIVES / SCIENCE PHOTO LIBRARY
Salt pans. Historical artwork of salt pans on a salt marsh. The pans are pools of salt water that are left to evaporate, leaving behind the minerals dissolved in them. The most abundant of these is sodium chloride; common table salt. Engraving from "De Re Metallica, d'Agricola" (16th century).
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