The significance of vivianite in archaeological settings

McGowan, Glenys and Prangnell, Jonathan (2006) The significance of vivianite in archaeological settings. Geoarchaeology, 21 1: 93-111. doi:10.1002/gea.20090

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Author McGowan, Glenys
Prangnell, Jonathan
Title The significance of vivianite in archaeological settings
Journal name Geoarchaeology   Check publisher's open access policy
ISSN 0883-6353
Publication date 2006
Sub-type Article (original research)
DOI 10.1002/gea.20090
Volume 21
Issue 1
Start page 93
End page 111
Total pages 19
Place of publication United States
Publisher Wiley Periodicals
Collection year 2006
Language eng
Subject C1
430207 Archaeological Science
750902 Understanding the pasts of other societies
Abstract Vivianite is a bluish mineral sometimes encountered in archaeological deposits. It is notable for its tendency to change color from white or grayish to blue on exposure to air. Vivianite requires specific conditions for its formation-sources of iron, phosphate, and water, as well as low levels of oxygen and sulfide. Microbial activity is also thought to play a part in vivianite formation. The majority of archaeological texts do not discuss vivianite to any great degree, preventing a more detailed interpretation of site conditions and features. Vivianite was found in 25 exhumed burials from the North Brisbane Burial Ground, Queensland, Australia. Research indicated that bone or tissue samples for DNA analysis are best taken from areas distant from vivianite encrustations and that presence of vivianite has implications for artifact conservation. Vivianite at the North Brisbane Burial Grounds helped protect some skeletal and dental elements, preserved the impressions of metal coffin lacing, and also corroborated the oral history of temporary waterlogging and acted as a measure of pollution levels across the site. (c) 2006 Wiley Periodicals, Inc.
Keyword Geosciences, Multidisciplinary
Q-Index Code C1

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Created: Wed, 15 Aug 2007, 05:44:18 EST