Idalsa

Surroundings of salt mines

In the area halita or rock salt of great importance has been operated from very old deposits of. The deposits karsts are including in a land area corresponding to the lacustrine Miocene that occupies the left border of the Ebro, in a strip that extends from about 3 km to the Eddy north to Towers of Berrellén.

The mine of Eddy salt probably were set off already at Roman time. Outpost the Average Age these mines begins to appear regularly in documents, especially in those of legal type. The cause of this is the use of the salt, by kings and governments of all the times, like a fundamental source of income, are by means of the surcharge of their price with taxes, are directly by means of the monopoly of their obtaining and sale.

To the present rate of extraction, the reserves of the operated layer at the moment will last about 500 years. The uprooted mineral is classified according to its quality. Most wears out directly, being used for the defrosting of highways. Another part dissolves in water, and the obtained brine evaporates in salt mines located next to the Eddy highway. Of this form salt takes place food (14,000 tons/year) that is sold to packing companies. Also blocks of salt for feeding of the cattle, preparations still of artisan form are elaborated, preparing by hand size blocks and forms suitable with a special tool, " cazudo" , within the own mine.