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1

MICROSTRUCTURAL FEATURES OF POWDERED HAEMATITE AS A PROMISING FACTOR IN PROVENANCE STUDIES

100%
Trabska J., Gawel A.
Sprawozdania Archeologiczne
|
2007
|
vol. 59
41-52
EN
New proposition of a fingerprint for ferruginous raw material (haematite, ochre and others) provenance studies is presented. Crystallite size measurement of haematite appears to be a promising factor in determining a geological context (origin and age) of an examined raw material and ascribing it to a, more or less, determined sourcing area. Haematite of natural samples and artefacts from Palaeolithic sites was measured. The proposed method is convenient also for powdery ferruginous artefacts, so far usually undeterminable due to their size. The method allows to discern ferruginous powders and not powdered artefacts and natural samples that are macroscopically identical or similar but differing in origin or/and age. Thus, homogeneity of an assemblage of ferruginous artefacts can also be traced.
2

Badania archeometryczne pozostałości czarnej farby, zdobiącej drewnianą oprawę lustra ze stanowiska Szewska/pl.Uniwersytecki we Wrocławiu

100%
Miazga B.
Śląskie Sprawozdania Archeologiczne
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2011
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vol. 53
103-112
EN
The aim of this paper is the identification of black residues on the mirror’s wooden frame. The wooden frame was recovered in Szewska St./Uniwersytecki Sq. during archaeological excavation. The spectroscopic analysis of the black sample showed that the residue is a black paint. The main component of the paint is a black pigment named bone black. Others identified substances are animal glue and lead traces.
3

Application of Petrographical Comparative Analysis in Dating of Spatial Development of the Wlen Castle

100%
Busko C., Michniewicz J.
Przegląd Archeologiczny
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2006
|
vol. 54
183-211
EN
The paper aims to present the results of petrographic and chemical analysis of mortars revealed during the archaeological investigation at the Wlen Castle. The castle was erected and then developed from the early Middle Ages to the Renaissance. Some restoration works were carried out at the castle ruins as well at the end of the 19th century. The objective of the analysis was to establish the chronological differences between individual parts of the castle and to reconstruct approximate mortar formulas necessary in restoration. Microscopic methods, granulometric analysis and chemical analysis were used in the investigation. The achieved results allowed to correlate 55 from 80 taken mortar samples, which were ascribed to six groups diversified with respect to the petrographic composition of the aggregate. Moreover six sub-groups were distinguished on the basis of the differences in the carbonate binder content, colour, texture and mechanical properties. The mortars at the Wlen Castle are mostly lime and sometimes clay-sand-lime materials. The reconstructed formulas showed particular dissimilarity of the mortars taken from the walls of a Romanesque church displaying a higher amount of used lime.
4

IDENTYFICATION OF BLACK RESIDUES ON THE ARCHAEOLOGICAL ARTIFACTS FROM WROCLAW USING SPECTROSCOPIC ANALYSIS (Identyfikacja pozostałosci 'czarnych substancji' na zabytkach z Wroclawia na podstawie badan spektroskopowych)

100%
Miazga B.
Przegląd Archeologiczny
|
2010
|
vol. 58
147-160
EN
The physicochemical investigation of different archaeological samples are important in exploring the human past. Non-invasive spectroscopic methods, like Fourier transform infrared spectroscopy (FT-IR), are useful diagnostic tool, used to identify unknown adhesive substances deposited on artifacts (e.g. vessels, utensils or tools). As the results of analysis of black residues on selected artifacts from Wrocław pitch, wood tar and wine have been identified.
5

METODIKA VÝSKUMU NOVOVEKEJ STOLOVEJ A KUCHYNSKEJ KERAMIKY NA PRÍKLADE NÁLEZOV Z HRADU LIETAVA

88%
Španihel S.
Slovenská archeológia (Slovak Archaeology)
|
2023
|
vol. 71
|
issue 1
103 – 174
EN
This study presents the methods of processing post-medieval pottery on the example of an assemblage from Lietava Castle. During the first step of the pottery analysis, a descriptive system was developed. Quantification monitored the occurrence of selected features and archaeometric analyses focused on ceramic masses and glazes from castles Lietava and Budatín and also city Žilina. The selected files were examined by principal component analysis, cluster analysis and spatial analysis. On the basis of all obtained information, three chronological periods were created – transitional, early modern and pre-modern. Geographically, the ceramic production of north-western Slovakia finds most analogues in Silesia, eastern Slovakia and eastern Moravia.
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