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Géologie de la Belgique

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PREAT A ULB - Conférence Bouillon 7.12.2007<br />

phase pa<strong>la</strong>tine<br />

phase saalienne<br />

phase sudète<br />

phase bretonne<br />

phase ASTURIENNE<br />

phase taconique<br />

phase sar<strong>de</strong><br />

phase cadomienne<br />

OROGENESE<br />

HERCYNIENNE<br />

(VARISQUE)<br />

±315<br />

phase ARDENNAISE<br />

OROGENESE<br />

CALEDONIENNE<br />

±420<br />

1 plissements<br />

2 failles listriques normales<br />

3 i<strong>de</strong>m, mais réactivées<br />

en failles <strong>de</strong> chevauchement et <strong>de</strong> charriage<br />

4 sens <strong>de</strong> <strong>la</strong> progression <strong>de</strong>s mers varisques<br />

nb: phase «brabancienne» ‘30Ma’ Ord inf -Emsien (id. U.K.) [in Debacker et al. 2005]<br />

1<br />

1<br />

2<br />

3<br />

4<br />

ph.b.<br />

Meilliez 1991

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