Dunkle, S. E., Craig, J. and Lusardi, W. (2004). Romarchite and associated phases as common corrosion products on pewter artifacts from marine archaeological sites. Geoarchaeology 19 (6). Vol 19(6), pp. 531-552. https://doi.org/10.1002/gea.20009.
 Title The title of the publication or report |
Romarchite and associated phases as common corrosion products on pewter artifacts from marine archaeological sites | |||
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Issue The name of the volume or issue |
Geoarchaeology 19 (6) | |||
Series The series the publication or report is included in |
Geoarchaeology | |||
Volume Volume number and part |
19 (6) | |||
Page Start/End The start and end page numbers. |
531 - 552 | |||
Biblio Note This is a Bibliographic record only. |
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Publication Type The type of publication - report, monograph, journal article or chapter from a book |
Journal | |||
Abstract The abstract describing the content of the publication or report |
Corrosion products were examined from typical pewter artefacts originating from six different submerged archaeological sites, dating to between c. AD 1550 and 1733, along the eastern seaboard of North and Central America. The artefacts were viewed as 270-450-year long experiments revealing the phases and mechanisms of tin corrosion in seawater. All of the samples analysed exhibit abhurite, romarchite and hydroromarchite forming at the expense of the underlying artefact. The outermost corrosion layers on several of the most corroded artefacts also exhibit cassiterite as a significant and apparently final phase to form during alteration. The absence of this mineral on many samples demonstrates that, while samples appeared to be stable under the conditions that were present, cassiterite had not yet had time to form. The very limited stability field for romarchite suggests that its presence on these artefacts may be the result of a kinetic effect. The universal appearance of this mineral on corroding tin suggests that it is a required step in the oxidation of pure tin to the final most stable phase of cassiterite. The stability of romarchite and its effectiveness as an agent of passivation can provide insight into not only the formation of tin oxides but the rate of tin corrosion. | |||
Year of Publication The year the book, article or report was published |
2004 | |||
Locations Any locations covered by the publication or report. This is not the place the book or report was published. |
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Source Where the record has come from or which dataset it was orginally included in. |
BIAB
(The British & Irish Archaeological Bibliography (BIAB))
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Relations Other resources which are relevant to this publication or report |
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Created Date The date the record of the pubication was first entered |
17 Feb 2005 |
