Lab flotation:
separating phytoliths or
other micro-remains
An archaeobotanical flotation photo gallery
simple bucket flotation
in Senegal ..
in China ..
siraf type machines ..
Archaeobotanical gatherings
archaeobotanical research @ the Institute of Archaeology, UCL
A kind of flotation, heavy liquid separation, is also used in loaboratory procedures for separating, phytliths, pollen or strach grains from sediment samples. This takes place in a chemical laboratory on small sediment samples that were collected from sites and sealed in the field.
For a virtual on-line phytolith reference collection (Old World), try here:
Produced by Dorian Q Fuller.