Journal
INTERNATIONAL JOURNAL OF OSTEOARCHAEOLOGY
Volume 11, Issue 6, Pages 415-432Publisher
JOHN WILEY & SONS LTD
DOI: 10.1002/oa.583
Keywords
adult age assessment; bone microstructure; Clostridium; Mesolithic; Neolithic; Portugal
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Sampling of archaeological human bone may not be justified, contrary to former high expectations regarding adult age assessment based on histormorphometry. The alterations in buried bone as a result of bacterial action are readily visible int he scanning electron microscope (SEM). An understanding of the chemical and structural changes to cortical bone requires work at the level of a few microns. This paper reports on problems encountered during analyses of samples of human bone from Mesolithic (ca. 8000 calBP) shell midden sites at Muge in central Portugal, and the methods used to try and overcome these problems. We believe we have shown that these Mesolithic bones are partly comprised of bacterially reprecipitated mineral, which has had collagen removed, with consequent obliteration of bone microstructure. We conclude that microbial destruction of the structure of archaeological bone can be a serious impediment to analysis of the characteristics of the population represented by those skeletal remains.
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