Artifact Cleaning

Artifact Cleaning: kayscElias cleaning artifacts on Level 4 in the Collections Gallery
Artifact Cleaning: kayscElias cleaning artifacts on Level 4 in the Collections GalleryCourtesy Amanda
Did you know that artifacts must be cleaned once they are taken from an archeological site? Every category of artifact must be cleaned in a different way, as to prevent damage. Lithics (stoneworks) can be scrubbed vigorously and can be soaked with water unless it has a worked edge which may have residue that can be identified. Pottery should be scrubbed less vigorously and cannot be submerged, as the pottery would absorb the water and disintegrate. If pottery is larger than a quarter, it should not be scrubbed on the interior, as it may have some residue that would be helpful. Faunal (bone) artifacts must be cleaned very carefully, like pottery, or it will become soft and brittle. Charcoal contains certain carbon isotopes, like carbon-14, that we can use to date when the item was burned, allowing us to learn a lot from small artifacts. Charcoal also preserves anything living, like seeds or wood. Artifacts are scrubbed with a wet toothbrush and put on a newspaper to dry. Once the artifacts are dried they are cataloged and put in the collection for research.

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