Wednesday, December 11, 2013

Aveiro Salinas - PORTUGAL

Artisanal salt production  through solar evaporation of sea water is one of the Aveiro major activities since pre-Roman times (some say it was introduced by the Phoenicians in the century 8 BC). Even today, one the best salt in Portugal is produced in the "Troncalhada" salt pond on the outskirt of the city (I'm almost sure this photo was made there). This amazing card is from the 1960s and was sent by several of my friends from the Postcrossing Forum that got together last weekend for a Xmas meeting that unfortunately I couldn't attend. Thanks a lot Gracinha for picking a vintage card and to Paula, Ninocas, Rita José and Joana for signing it. This postcard took 3 days to arrive!

Aveiro Salinas (Marina da Troncalhada) - PORTUGAL
Salt is a mineral substance composed primarily of sodium chloride (NaCl), a chemical compound belonging to the larger class of ionic salts. Salt is present in vast quantities in the sea where it is the main mineral constituent, with the open ocean having about 35 grams of solids per litre, a salinity of 3.5%. Salt is essential for animal life, and saltiness is one of the basic human tastes. Salt is one of the oldest and most ubiquitous of food seasonings, and salting is an important method of food preservation.


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