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Department of Archaeology

Staff

Miss Bryony Rogers

Contact Miss Bryony Rogers

Biography

I am currently a NERC IAPETUS CASE funded student and started my research project in 2017. My project is partnered with the British Geological Survey where I have two additional supervisors Professor Jane Evans and Dr Matthew Horstwood. I completed my BSc in Archaeology at Durham University (2012-15) before continuing at Durham for my MSc in Archaeological Science (2015-16). Additionally, I currently organise the archaeological science discussion group. 

Research Project

Increasing the temporal resolution of animal movements - a comparative study of LA and microdrilling for Sr-isotope profiling of herbivore teeth.

The analysis of the ratio of 87Sr/86Sr from archaeological human and animal remains can create direct evidence of mobility in the past. Strontium is not essential to any of the body’s biochemical or physiological functions but can substitute for calcium in the lattice matrix of bioapatite in bones and teeth. The Sr ratios expressed in tooth enamel relate to the Sr ratios of the underlying geology of where an individual sourced their food. 

The first part of this project will build on a pilot study by my supervisors comparing two methods of Strontium analysis in cattle molars: micro-drilling with TIMS (thermal ionisation mass spectrometry) with LA-MC-ICP-MS (laser ablation multicollector inductively coupled plasma mass spectrometry). In order to develop and compare the application and inter-laboratory comparison of higher resolution Sr-isotope sampling to establish the limits of each type of data, what type of chronological timeline can be recovered from the hypsodont molars of herbivores, and where sampling of enamel should be targeted spatially to maximise resolution. 

The second part of the project will apply the best method to archaeological questions surrounding Neolithic Causewayed Enclosures. Causewayed enclosures are a feature of Early and Middle Neolithic Britain and mainland Europe, dating, in Britain, from between 4000 and 3300BC. These predominantly oval structures, are part of the significant change in monumentality and material culture between the last hunter-gatherers of the Mesolithic and the first farming communities of the Neolithic. They earliest evidence of enclosing open spaces in northern Europe. A large number of animal remains, particularly cattle, have been recovered from the ditches of causewayed enclosures; there are key unanswered questions about their husbandry, role and purpose to Neolithic people, which may further shine a light on the enclosures’ status. By examining cattle teeth recovered from three causewayed enclosures in Southern Britain and from sites in mainland Europe I hope to answer the following questions: 

  1. Were the cattle whose remains were buried in the ditches and palisades of causewayed enclosures treated differently to typical domestic livestock, and is there any variation within the sites themselves with ‘special’ individuals buried in particular areas?
  2. Were these cattle local to the site or have they been brought to the site over considerable distances? 
  3. What is the range of variation between southern English sites?
  4. Is the treatment of cattle included in causewayed enclosures different to that of cattle found in similar enclosures in mainland Europe?

Conference Contributions

Posters

2016: Rogers, B, D. Gröcke, K. Gron, J. Montgomery, P. Rowley-Conwy and D. Jacques. Stable Isotope Analysis of the Blick Mead Dog: A Proxy for the Dietary Reconstruction of Mesolithic Hunter-Gatherers - ISBA7 (Oxford) September 2016

2017: Rogers, B, J. Towers, J. Montgomery, W. Patterson, S. Timsic, D. Orton and P.A. Rowley-Conwy. Challenging the assumptions in isotopic profiling of herbivore teeth: a modern comparative intra- and inter-lobe study of the Chillingham cattle – UKAS (UCL) April 2017

Publications

Chapter in book

  • Rogers, B., Gron, K., Montgomery, J., Gröcke, D.R. & Rowley-Conwy, P. (2018). Aurochs Hunters: The Animal Bones from Blick Mead. In Blick Mead: Exploring the 'first place' in the Stonehenge landscape: Archaeological excavations at Blick Mead, Amesbury, Wiltshire 2005-2016. Jacques, D., Lyons, T. & Phillips, T. Peter Lang.

Is supervised by