Formation de roches sédimentaires et fossilisation

5ème

Formation de roches sédimentaires et fossilisation

Chapitre 2 : formation de nouvelles roches sédimentaires et fossilisation Problème : que deviennent tous les sédiments issus de l’érosion des roches ? Comment se forme une roche sédimentaire ?

5ème

La formation de nouvelles roches sédimentaires

Chapitre 2 : la formation de nouvelles roches sédimentaires Cette partie sera développée prochainement. Logiciel pour comprendre la formation des roches sédimentaires Schéma-bilan du chapitre Retour aux chapitres « géologie externe »

5ème

Géologie externe : évolution des paysages

Chapitre 1 : l’action de l’eau sur les paysages : l’érosion Chapitre 2 : formation de nouvelles roches sédimentaires et fossilisation SORTIE GÉOLOGIQUE EN 5ème

Au jour le jour

Le Tertre-Gris – Sortie géologique 5ème

Sortie géologique pour les 10 classes de 5èmes du collège de Saint-Joseph de Bain sur le site du Tertre-Gris à Poligné. Une étude de terrain des roches locales est entreprise

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