The York Research Database

We use cookies on our website. To learn more about the cookies we use, please see our cookie policy. You can manage cookies via your browser settings. By continuing to browse the site you are agreeing to our use of cookies. Accept and Close. A major conference for the presentation and discussion of luminescence and electron spin resonance dating results is held every three years at various locations around the world. The papers and posters presented at these conferences are normally published in special editions of Quaternary Geochronology and Radiation Measurements. The most recent of these conferences are listed below. The next meeting in this series will be held in Burgos, Spain, th July

Luminescence Dating Research Lab (D136)

TL and OSL are known as ‘electron trap’ techniques. Some natural materials such as various stones and soils and also things made from them, such as pottery and stone tools absorb or ‘trap’ naturally occurring electrons from their surroundings. This happens at a known and regular rate until the material becomes saturated with electrons after about 50, years.

Since the world is much older than this, most objects are already saturated. However, if these substances are heated such as when pottery is fired in a kiln or stones are dropped in a fire this releases these trapped electrons and resets the ‘clock’ to zero.

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Downey, University of Botswana, Botswana Miss. Asia Dr. Zhao Hui, Environmental and Eng. Huaya Lu, Inst. Tang Hongbin, Inst. Wang Weida. Research Lab. Environmental Bureau, Shizuan , China Prof.

TL and OSL Dating

Access to water resources was vital for the survival of ancient peoples inhabiting arid landscapes. In such regions, surface water quickly becomes unavailable through evaporation or infiltration into the subsurface. To gain access to the subterranean water supply required new and innovative techniques. One example of this innovation was the development of the qanat: an underground channel.

Through the construction of qanats, the groundwater supply could be unlocked and utilised for irrigation and consumption.

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If you think our news service is a valuable resource, please consider a donation. Main Index Podcast Tweet. It had long been thought that ancient man had abandoned the shores of Britain during the period , to 65, BCE, but new excavations in Kent England shed some doubt on this. A combined team from Southampton University and Oxford Archaeology, funded by the UK’s Highways Agency, have found worked flints whilst excavating a new motorway junction near Dartford. The sediment in which they were found has been dated at , BCE, at a time when the severe cold dropped the sea levels and the Neanderthals walked on a land bridge from what is now Northern France, into Kent, folowing the game which was migrating northward.

The system of dating used was OSL optically stimulated luminescence. This technique measures the amount of light emitted from a grain of sand or other crystalline material, to calculate when it was last exposed to sunlight. Dr Whittle, from Durham University, has doubts over how accurate OSL dating is, postulating that the technique is “in constant development”. He also stated that “I suspect there is a possibility that OSL dating might not be giving us the true date”.

Dr Wenham-Smith, a team member from Southampton University, was more optimistic but believed that, exciting though the find was, more evidence was needed to corroborate the findings. Should the OSL dating be correct then Neanderthals returned to Britain much earlier about 40, years than previously thought. They may have been attracted by the sight of flint-rich chalk downs which would have been clearly visible from the other side of the Channel.

Transect 2 – North Sea

The Luminescence Dating and Dosimetry Laboratory is developing new techniques for application to the dating of artefacts and deposits from sites that range widely in terms of chronological period, geographic location and material type. Recent work as focused on optically stimulated luminescence OSL techniques, in particular a novel experimental approach to the measurement of single grain OSL. A study produced, for the first time, absolute dates for a range of brick stupas located within the hinterland of Anuradhapura , contributing to the further development of a brick monument chronology for the region.

Ongoing work is examining whether unfired clay bricks from various sites can be dated accurately.

I moved to Durham in from my hometown of Bedford to undertake a BSc in optically stimulated luminescence (OSL) dating and Monte Carlo simulations.

Once production of your article has started, you can track the status of your article via Track Your Accepted Article. Submit Your Paper. Supports Open Access. View Articles. Track Your Paper Check submitted paper Check the status of your submitted manuscript in the submission system Track accepted paper Once production of your article has started, you can track the status of your article via Track Your Accepted Article.

Order Journal. Journal Metrics CiteScore : 2. CiteScore values are based on citation counts in a range of four years e. Impact Factor: 1.

Radiation Measurements – Editorial Board

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Luminescence Dating Research Lab (D). The Luminescence Dating Research Laboratory is housed in a suite of five interconnected rooms.

Academic journal article Antiquity. Buddhism swiftly became established as the state religion in Sri Lanka following its introduction in the third century BC Paranavitana , and this change was accompanied by the rapid development of Buddhist sites in both urban and rural settings Coningham Identification of these sites is reliant on the presence of one or more architectural features, the stupa, the griha sanctuary and the vihara monastery being prominent types Coningham , The stupa is the most distinctive and durable of the monuments and, as the focal point of many monastic sites, it has become a prominent symbol of Buddhism in Sri Lanka Silva 8.

The origin of the stupa is thought to be pre-Buddhist, with a development traced back to megalithic mounds Silva 6. Typically formed as a solid mound, the stupa was built primarily as a monument to enshrine relics or to commemorate important events or places in the life of the Buddha Silva ; Coningham In Sri Lanka, the main building material used in the construction of ancient stupas was fired clay brick, a technology that, along with tile, was notionally restricted to religious or royal structures Bandaranayake The fortified city of Anuradhapura, a pivotal urban centre in Sri Lanka from the third century BC until its abandonment in AD , witnessed a sustained and vigorous development of both secular and religious monumental architecture during this period Coningham , In the hinterland, monastic establishments developed a key economic and political role, acting as agents for the management of land and water, and providing an administrative infrastructure linked to the great urban viharas as an extension of their religious and secular influence Coningham These rural monasteries were often located on granite outcrops, providing visually distinctive structures within the landscape of the hinterland, the topographic positioning of which has been linked to the concept of establishing intervisibility in the religious landscape as a means of increasing the visual prominence and authority Shaw Recent archaeologicai work inthe Anuradhapura hinterland Anuradhapura Sri Lanka project phase II: the hinterland has focused on the relationship between urban and rural communities and the role of the development of Buddhist viharas within a broader landscape setting, including formulation and refinement of the monastic architectural chronology Coningham et al.

However, the dating of stupas based on the use of architectural typologies is frequently not feasible in rural areas because historically original features were not preserved during renovation Paranavitana Moreover, many stupas remained abandoned for centuries and were reduced to amorphous mounds, often structurally damaged by looting or robbed for the reuse of building materiais.

Conferences Relevant for Luminescence Dating

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OSL Dating Supports “High” Sedimentation Rates in Central Arctic Ocean Chase Ocean Engineering Lab • 24 Colovos Road • Durham, NH

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Aspects of Archaeology: Thermoluminescence Dating


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