Jago J . Birk
Geoarchaeometry, Geoarchaeology, Archaeometry, Soil ScienceBiomarkers, Stable Isotopes, Multi-Element-Mapping, Soil Analyses
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Books by Jago J . Birk
Publication Date: 2012
Publication Name: Guyane Océane
Papers by Jago J . Birk
The remains of the early Byzantine complex of Caričin Grad show the features of a city built in the classical, Hellenistic-Roman tradition, combined with ecclesiastical Christian architecture. Based on the comparison of Byzantine text sources with the settlement’s topography and its architecture, Caričin Grad is supposed to be identical to Iustiniana Prima, a city newly founded by the Emperor Justinian as the region’s episcopal and administrative centre.
With the period of occupation covering a mere 90 years, from circa AD 530 to circa AD 615, the site allows a rare archaeological “snapshot” of a short period of very intensive use, which furthermore remained undisturbed from later encroachments. Due to these circumstances, Caričin Grad offers the unique opportunity to analyse a city at the turn of the Late Antique era to the Early Medieval epoch and the complex issues associated with periods of cultural transition.
Based on the perspective of human ecology and social sciences, the project will establish new approaches and investigate the concept of “city” during periods of cultural transition by using methods of archaeozoology, archaeobotany, geoarchaeology, soil science and GIS.
The main topic addressed within this context, “Households, consumption and everyday life” will deal with single domestic units concerning methods of production, consumption and activity zones regarding comestible goods. This perspective on the town and its consumption will be complemented by a viewpoint on the surrounding landscape focussing on its resources and agrarian production
Talks by Jago J . Birk
Soil Analyses at Caričin Grad – Element Mapping and Biomarker
Analyses
J.J. Birk, S. Fiedler, K. Horn, M. Surek, V. Ivanišević, I. Bugarski, R. Schreg
The potential of soil analyses in archaeology was recognized at the beginning of the last century. However, soils and sediments were analysed only in a relatively small number of excavations. The applicability of these analyses in archaeology is still restricted by a limited knowledge of their validity. In an ongoing project at the Caričin Grad site, soil analyses are performed that were classically proposed in an archaeological context as well as more recently developed analyses. Soil samples were collected in dense grids in middle class buildings and adjacent open areas, which were excavated 2014 and 2015. Areas that received high inputs of organic residues are divided from other areas by classical mapping of phosphate concentrations. The results of these analyses are compared by the results of more recently developed simultaneous analyses of several elements (multi-element mapping). In selected samples from areas with high organic inputs, specific organic molecules are analysed. These biomarker analyses are performed to identify more precisely areas of food production and consumption, places of waste disposal and latrines as well as animal husbandry. Furthermore, it is aimed to use biomarker analyses for the identification of animals that were kept within the settlement. First results of element-mapping showed that areas with high and areas with low element concentrations were grouped in distinct clusters. These results showed that element mapping can be successfully applied at the Caričin Grad site. Additionally, first results of ongoing biomarker analyses will be presented.
Publication Date: 2012
Publication Name: Guyane Océane
The remains of the early Byzantine complex of Caričin Grad show the features of a city built in the classical, Hellenistic-Roman tradition, combined with ecclesiastical Christian architecture. Based on the comparison of Byzantine text sources with the settlement’s topography and its architecture, Caričin Grad is supposed to be identical to Iustiniana Prima, a city newly founded by the Emperor Justinian as the region’s episcopal and administrative centre.
With the period of occupation covering a mere 90 years, from circa AD 530 to circa AD 615, the site allows a rare archaeological “snapshot” of a short period of very intensive use, which furthermore remained undisturbed from later encroachments. Due to these circumstances, Caričin Grad offers the unique opportunity to analyse a city at the turn of the Late Antique era to the Early Medieval epoch and the complex issues associated with periods of cultural transition.
Based on the perspective of human ecology and social sciences, the project will establish new approaches and investigate the concept of “city” during periods of cultural transition by using methods of archaeozoology, archaeobotany, geoarchaeology, soil science and GIS.
The main topic addressed within this context, “Households, consumption and everyday life” will deal with single domestic units concerning methods of production, consumption and activity zones regarding comestible goods. This perspective on the town and its consumption will be complemented by a viewpoint on the surrounding landscape focussing on its resources and agrarian production
Soil Analyses at Caričin Grad – Element Mapping and Biomarker
Analyses
J.J. Birk, S. Fiedler, K. Horn, M. Surek, V. Ivanišević, I. Bugarski, R. Schreg
The potential of soil analyses in archaeology was recognized at the beginning of the last century. However, soils and sediments were analysed only in a relatively small number of excavations. The applicability of these analyses in archaeology is still restricted by a limited knowledge of their validity. In an ongoing project at the Caričin Grad site, soil analyses are performed that were classically proposed in an archaeological context as well as more recently developed analyses. Soil samples were collected in dense grids in middle class buildings and adjacent open areas, which were excavated 2014 and 2015. Areas that received high inputs of organic residues are divided from other areas by classical mapping of phosphate concentrations. The results of these analyses are compared by the results of more recently developed simultaneous analyses of several elements (multi-element mapping). In selected samples from areas with high organic inputs, specific organic molecules are analysed. These biomarker analyses are performed to identify more precisely areas of food production and consumption, places of waste disposal and latrines as well as animal husbandry. Furthermore, it is aimed to use biomarker analyses for the identification of animals that were kept within the settlement. First results of element-mapping showed that areas with high and areas with low element concentrations were grouped in distinct clusters. These results showed that element mapping can be successfully applied at the Caričin Grad site. Additionally, first results of ongoing biomarker analyses will be presented.