Phosphatic mineralization of seeds from archaeological sites |
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Authors: | Francis J. Green |
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Affiliation: | 1. Department of Archaeology, Botanical Remains, Southampton University UK |
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Abstract: | Recent investigations of botanical material from archaeological sites have provided seeds and plant remains exhibiting a crystalline or semi-crystalline appearance. X-ray diffraction and partial chemical analysis have revealed that the particular plant materials had been replaced by calcium phosphate. Using systematic sampling and retrieval techniques a significant body of data has been accumulated. Most mineralized botanical evidence has been recovered from faecal deposits, in particular cess pits and garderobes, and has provided an important source of information about aspects of diet of past populations. |
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Keywords: | Environmental archaeology Palaeoethnobotany Mineralization X-ray diffraction Chemical analysis Preservation Calcium phosphate Sampling Recovery methods Refuse disposal |
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