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Archaeometry 21
Title
The title of the publication or report
Title:
Archaeometry 21
Series
The series the publication or report is included in
Series:
Archaeometry
Volume
Volume number and part
Volume:
21
Publication Type
The type of publication - report, monograph, journal article or chapter from a book
Publication Type:
Journal
Year of Publication
The year the book, article or report was published
Year of Publication:
1979
Note
Extra information on the publication or report.
Note:
Date Of Issue From: 1979
Source
Where the record has come from or which dataset it was orginally included in.
Source:
BIAB (British Archaeological Abstracts (BAA))
Created Date
The date the record of the pubication was first entered
Created Date:
05 Dec 2008
Please click on an Article link to go to the Article Details.
Article Title
Access Type
Author / Editor
Page
Start/End
Abstract
Chemical study of the Plate of Brass
H V Michel
F Asaro
3 - 19
The Plate of Brass is an inscribed plaque purporting to record Sir Francis Drake's landing on the California coast in AD 1579. Quantitative chemical analysis of the major and trace constituents indicated that the plate is a late 19th or early 20th century forgery. R E M Hedges (pp 21-6) describes the XRF analysis of the plate.
The measurement of the silver concentrations of coins using a small neutron source
G Brown
Adrian S Tindall
27 - 46
The new features of the method are the use of corrections for depression on the neutron flux during irradiation and for gamma-ray scattering and absorption in the irradiated coins (which were Northumbrian stycas in the Yorkshire Museum). Au(adp)
The luminescent minerals in fine-grain samples from archaeological ceramics
A K Singhvi
D W Zimmerman
73 - 77
Reports scanning electron microscope studies of such mineral inclusions as quartz feldspar, plagioclase, apatite and zircon, and indicates some possible sources of anomalies in the thermoluminescence results.
Source determination of iron currency bars through analysis of the slag inclusions
Robert E M Hedges
C J Salter
161 - 175
Three groups of currency bars from three separate hoards (Danebury, Gretton, and Beckford) were analysed for the distribution of seventeen elements in their slag inclusions. There is a clear statistical discrimination between the three groups which can be attributed to the different ore sources. Thus chemical analysis of slag inclusions in wrought iron can be used to trace the different sources of iron artefacts, at least within the context of the geology of southern England. Au
The heavy mineral separation of ancient ceramics by centrifugation: a preliminary report
David Williams
177 - 182
Heavy mineral separation is a useful way of characterizing pottery containing sand; samples from a wide range of fabric types were centrifuged (instead of being decanted). This method greatly increased the number of heavy mineral grains recovered, and worthwhile assemblages were obtained even on fine-textured wares. Au
British Middle and Late Bronze Age metalwork: some re-analyses
M J Hughes
195 - 202
Re-analysis of seven of the bronzes sampled in the Brown and Blin-Stoyle programme showed some severe discrepancies in the figures for percentages of lead, the true figures being up to 3.5 times higher than those given in the original work. Some LBA bronzes are therefore much more heavily leaded than previously suspected.
Multivariate classification of Roman glasses found in Norway
O H J Christie
J A Brenna
E Straume
233 - 241
Three different multivariate classification procedures have been tested on concentration values for ten chemical components of nineteen glass fragments. All three methods indicate the presence of two main classes of objects, and the principal component analysis demonstrated that within one of the classes one sample may be regarded as an outlier - not detected by the other methods - possibly representing a third class. Au(abr)
