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Geological excursion through the Guixeres d'Artés with Josep Girabal and Josep M. Mata
9h a 14h


About 37 million years ago, Central Catalonia was occupied by an open ocean arm in the Atlantic, but that elongated golf was coming to an end, as continental movements and other reasons caused its communication to be closed with the oceans. That sealed ocean, under a hot and dry climate, evaporated without rains compensating for lost water; the sea was reduced while the concentration of salts rose, which began to precipitate, depositing first the plaster, then the common salt and potassium salt. What had been the sea became a salt plain, but for a short time, since the rivers and streams that descended from the mountains were depositing sediments above the salt, which was buried. The materials that were sedimented in that closed basin dried and oxidized by contact with the air, taking reddish colors. They are called "continental" because they have not been deposited in the sea, which is the most common. We summarize here the great changes in the map of the north of the Iberian Peninsula.

9.00 paleocanal. Artés training
9.45h Paleocanal of the oak
10.10 h Room Furnace
10.30h The Room
11.15 p. Collet de l'Argelagar
11.45h Blue Margies of Argelagar
12.00 Collet de la Sala
12.15 pm Font del Raval
12.45h El Grifoller
13.15 p Serra de les Guixeres
13:45 Guixera del Quim
14.00h Small quarry
14.05h Remains of a plaster oven
14.10h Viña del Viudet
14.30h Artés

Download the detailed program of the exit here.

You must confirm your attendance at the start using this online form.

Note: The participants in this departure who are teachers may obtain a certificate issued by the Department of Education and managed by COLGEOCAT in collaboration with SIGMADOT. In order to be able to opt for the aforementioned certificate, they will have to participate in the three exits of Artés (15/04, 05/05 and 17/06) together with this geological exit of Artés.

Millions of years ago, in the geographical heart of Catalonia, there was a sea that disappeared pushed by the rise of mountain ranges like the Pyrenees. The geological processes have left a territory with spectacular rock formations such as Montserrat and rich natural resources such as salt, plaster or lime. Discover our Geopark with the geological exits of Professor Josep M. Mata.


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