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Ibérica na região de Trás-os-Montes (NE Portugal) - Universidade ...

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CAD. LAB. XEOL. LAXE 26 (2001) Estruturas Filonia<strong>na</strong>s da Serra do Marão 147<br />

Figura 3. Diagrama <strong>de</strong> classificação d<strong>os</strong> filões máfic<strong>os</strong> do Ramalh<strong>os</strong>o, adaptado do diagrama <strong>de</strong><br />

WINCHESTER & FLOYD (1977) Símbol<strong>os</strong>: abert<strong>os</strong> -am<strong>os</strong>tras do filão A e fechad<strong>os</strong> am<strong>os</strong>tras do<br />

filão B.<br />

Figura 4. Diagrama P 2 O 5 -Zr prop<strong>os</strong>to por WINCHESTER E FLOYD (1976) m<strong>os</strong>trando o carácter<br />

alcalino d<strong>os</strong> filões máfic<strong>os</strong> do Ramalh<strong>os</strong>o. Símbol<strong>os</strong>: como <strong>na</strong> figura 3.

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