Soil samples collected from an archaeological excavation are placed in a bath of running water. Small particles of carbonised wood,animal bones,shells etc float away from the heavier earth and clays to be collected by sieves for later microsopic analysis | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / King-Holmes, James |
Taille de l’image : | 3512 px × 5040 px |
Model Release : | Le droit n'est pas encore disponible. Merci de nous contacter avant utilisation. |
Property Release : | Non requis |
Restrictions : |
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