In the flotation process for examination of soil samples from archaeological excavations,the finest particles such as small seeds and bird or mammal bones are collected in nylon sieves which are then air-dried on site for later microscopic examination. Each sieving bag represents a specific area of the site | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / King-Holmes, James |
Taille de l’image : | 5140 px × 3427 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |