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ATLANTERRA – Nascente de águas ácidas (Lousal 1) Traditional Geocache

Hidden : 12/2/2011
Difficulty:
1 out of 5
Terrain:
1.5 out of 5

Size: Size:   small (small)

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Geocache Description:





ATLANTERRA – Nascente de águas ácidas

(Lousal 1)


Nascente de águas ácidas – No fundo da corta da mina do Lousal observa-se uma nascente de águas ácidas (pH <3), ao longo de uma fractura NW-SE. Repare no borbulhar das águas e na sua cor avermelhada. As rochas de tom escuro assinalam a posição do minério de pirite à superfície.

fEsta cache foi implantada no âmbito do projecto de investigação ATLANTERRA/GREEN MINES. O Projecto pretende assinalar alguns locais com geossítios importantes do Baixo Alentejo dedicados às minas e geologia da Faixa Piritosa Ibérica, a principal província metalogenética do país. Esta actividade será divulgada através do website ATLANTERRA.

 


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ATLANTERRA – Acid water spring (Lousal 1)

Acid water spring - In the Lousal mine open pit an acid water spring (pH <3) occurs related with local aquifers. Bubbles in the red water show a NW-SE fracture zone. The presence of oxidized massive sulfide ore is marked by red color outcrops.

                                                                         
This cache is an integral part of Project ATLANTERRA/GREEN MINES. This same Project intends to mark some of the best and most important geosites  within the Lower Alentejo province. All sites are dedicated to the mines and geology of the Iberian Pyrite Belt, the most important metalogenic province in the country.

 




Additional Hints (Decrypt)

FBO B CNFFNQVÇB / HAQRE GUR OBNEQJNYX

Decryption Key

A|B|C|D|E|F|G|H|I|J|K|L|M
-------------------------
N|O|P|Q|R|S|T|U|V|W|X|Y|Z

(letter above equals below, and vice versa)