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Evaluation de méthodes pour le dégagement de spécimens paléontologiques à l'aide de solutions acides

Bugnon, Claudine

Mémoire de master : Haute Ecole Arc Conservation-Restauration, 2015.

The fossil fishes from the Sceltrich beds (Monte San Giorgio, Tessin, Switzerland), dating from the Ladinian age, are embedded in a calcareous matrix. To allow their study, they are mechanically developed. Depending on the specimens and rock features, these treatments are long, can cause damage and be imprecise. Through our research, we evaluated acidic development methods, which dissolve or...