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Archaeometry 48 (3)
Title
The title of the publication or report
Title:
Archaeometry 48 (3)
Series
The series the publication or report is included in
Series:
Archaeometry
Volume
Volume number and part
Volume:
48 (3)
Publication Type
The type of publication - report, monograph, journal article or chapter from a book
Publication Type:
Journal
Editor
The editor of the publication or report
Editor:
Mark M Pollard
Günther A Wagner
J Burton
M Martini
Publisher
The publisher of the publication or report
Publisher:
Blackwell Publishing
Year of Publication
The year the book, article or report was published
Year of Publication:
2006
Source
Where the record has come from or which dataset it was orginally included in.
Source:
BIAB (The British & Irish Archaeological Bibliography (BIAB))
Relations
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Relations:
URI:
http://www.blackwell-synergy.com/toc/arch/48/3
Created Date
The date the record of the pubication was first entered
Created Date:
31 Oct 2006
Please click on an Article link to go to the Article Details.
Article Title
Access Type
Author / Editor
Page
Start/End
Abstract
Comparing glass compositional analyses
Michael J Baxter
H E M Cool
C M Jackson
399 - 414
In a recently published study of Romano-British colourless glass compositions, using inductively coupled plasma spectroscopy, twenty-eight glasses from Colchester sampled in a previous study were resampled. This was done deliberately, with a view to examining the repeatability of results from sampling on different occasions. The authors report on their results, developing in the process some simple statistical methodology that could be applied in similar situations. The potential for combining analyses undertaken at different times is discussed and illustrated.
Sand for Roman glass production: an experimental and philological study on source o...
A Silvestri
G Molin
G Salviulo
R Schievenin
415 - 432
The paper reports the results of an experimental study performed on Campanian littoral sand, together with a careful philological analysis of Pliny's text concerning the production of glass using the above sand in order to verify its suitability. Accurate chemical and mineralogical characterization of sand samples and experimental glasses was carried out, proving the unsuitability of sand for glass production in its original state. Taking into account both the results of the philological analysis of Pliny's text and the mineralogical assemblage of the sand, a new hypothesis regarding Roman glass-making technology is proposed and tested here. The technology implies the production of 'quartz-enriched' sand by means of selective grindings according to the different degrees of hardness and cleavage of the mineralogical phases. Melting experiments, carried out on treated sand and in the temperature range compatible with Roman technology, yielded a glass with composition similar to those of typical Roman glasses. Includes
Appendix: philological notes
430 - 432
Lead isotope ratios as a means of sourcing anthropogenic lead in archaeological soils: a pilot study of an abandoned Shetland croft
Clare A Wilson
J R Bacon
Malcolm S Cresser
Donald A Davidson
501 - 509
Results from soil chemical analysis have demonstrated enhanced concentrations of lead (Pb) associated with archaeological sites. However, interpretation of these Pb concentrations is difficult because of the multitude of possible Pb sources. This pilot study of an abandoned croft in Shetland suggests that Pb isotope ratios have the potential to identify sources of anthropogenic Pb. The results highlight two different Pb associations. The first includes hearth, house floor and house overburden soils, with end members of fuel materials and an unidentified material with a low (< 1.126) 206Pb/207Pb ratio. The second includes byre, kailyard (garden) and arable soils, with end members of hearth materials and local wind-blown sand.
Log-ratio compositional data analysis in archaeometry
Michael J Baxter
Ian C Freestone
511 - 531
Compositional data arise commonly in archaeometry, in the study of artefact compositions where the variables measured either sum to 100%, or can be viewed as a subset of such a set of variables. There has been debate in Archaeometry about the appropriate way to analyse such data statistically, which amounts to argument about how the data should be transformed prior to statistical analysis. The paper reviews aspects of the debate and illustrates, using both simulated and real data, that what has been proposed as the `correct' theoretical approach -- log-ratio analysis -- does not always work well. The reasons for this are discussed. Includes
Appendix: the simulations
526 - 531