Most of what ancient humans created has vanished because organic materials usually decay. But preservation is not all-or-nothing: waterlogged, frozen, sealed or exceptionally dry sites can preserve wood, bamboo, plant fibers, hide and other organics. Cultures dominated by perishable materials may leave only scattered traces, though not necessarily just stone scraps. Archaeology can sometimes recover evidence of diet, technology, ritual and social organization from surviving material and context, while much about belief systems and language remains uncertain.
Preservation Bias: Perishable Materials Usually Vanish, but Organics Do Survive
Key facts
- Most organic materials decay, but exceptional waterlogged, frozen, sealed or arid conditions can preserve wood, bamboo, fibers, hide and other organics
- Bamboo was used for tools in some societies and has survived archaeologically in exceptional conditions; it did not leave no archaeological evidence
- Cultures relying on perishable materials can leave sparse traces, but stone was not necessarily their only surviving evidence
- Belief systems, language, rituals and social organization are often difficult to reconstruct, but archaeology can sometimes infer them from artifacts, burials, spatial patterns and other contextual evidence
- Diet and appearance can be reconstructed from animal bones, plant remains, food residues, isotopes and skeletal features, not only from a handful of fossilized bones
Sources
nature.com
Linked in video description
Importance of Archaeological Conservationarchaeology.ncdcr.gov
Archaeological conservators not only salvage history but investigate its very mechanics and materials – unlocking the mysteries of the past!
Predicting the preservation of cultural artefacts and buried ...sciencedirect.com
by M Kibblewhite · 2015 · Cited by 167 — This study identifies the material and soil properties that affect preservation and relates these to soil types; it assesses their preservation capacities for…
Conservation of artefactsmaryrose.org
On terrestrial archaeological sites it is rare to find organic artefacts in a good condition. This is due to the available oxygen in the burial environment
Archaeology: What Survives? - Manassasnps.gov
Organic materials are more likely to decay and are greatly affected by moisture and air. This includes anything that was once living like human, ...
Archaeological Materials & Decayfirstaidforfinds.org
Organic materials are particularly susceptible to biodeterioration by the action of microorganisms. Physical disturbance Activities such as ploughing, ...
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