A5048812627- Geomagnetism and Paleomagnetism Studies
- Geology and Paleoclimatology Research
- Archaeology and ancient environmental studies
- Cultural Heritage Materials Analysis
- Nuclear Physics and Applications
- Conservation Techniques and Studies
- Building materials and conservation
- Geophysical and Geoelectrical Methods
- Maritime and Coastal Archaeology
- Advanced Chemical Sensor Technologies
- Planetary Science and Exploration
- Earthquake Detection and Analysis
- Pleistocene-Era Hominins and Archaeology
- Geological and Geochemical Analysis
- Archaeological Research and Protection
- Radioactivity and Radon Measurements
- Radiation Detection and Scintillator Technologies
- Isotope Analysis in Ecology
- Image Processing and 3D Reconstruction
- Radioactive contamination and transfer
- Jewish and Middle Eastern Studies
- Middle East Politics and Society
- Methane Hydrates and Related Phenomena
- Graphite, nuclear technology, radiation studies
- earthquake and tectonic studies
University of Oxford
1986-2024
Oxford Archaeology
1985-2003
Clarendon College
1953-1960
Chapter 1: Introduction 2 2.1 Natural radioactivity 2.2 The natural dose-rate 2.3 Evaluation of 2.4 Artificial irradiation 2.5 Dependence on rate at which dose is delivered, and temperature 3 3.1 Sample collection 3.2 Preparation aliquots for OSL measurement 3.3 Measurement 4 4.1 Unwanted signals: backgrounds residuals 4.2 Irradiation preheating 4.3 Multi-aliquot methods 4.4 single-aliquot 5 5.1 Aeolian deposits 5.2 Water-laid sediment 5.3 Organic-rich 5.4 Glaciation-related 5.5...
Revised values based on ICRP publication No. 38 are given, together with energy release for individual members of the three radioactive series. There is an increase 5% in pre‐radon beta component thorium series and a decrease from 4.8% to 3.7% percentage combined uranium gamma which uranium‐238
After indicating the basis of technique, its use with a cryogenic SQUID magnetometer is outlined, particular emphasis being given to need for stringent reliability criteria. Comparison results some samples made obtained using Shaw alternating‐field and agreement satisfactory. Determinations on 14 fired during last 150 years give which average are in close (within 2%) observatory‐based values, standard deviation sample from predicted value ±6%.
ABSTRACTS This paper discusses known sources of error, both random and systematic; suggests quantitative limits; proposes a consistent method for compounding them to yield an overall error in age, individual sherds the weighted average number from same context. It is proposed that two limits should be quoted date context: first, standard mean value as calculated experimentally observed root‐mean‐square deviation samples, secondly, expected discussed paper. The former can considered lower...
ABSTRACTS A new system for specifying alpha source strength, in terms of track length per unit volume sample, is proposed. It based on the experimental observation that TL induced essentially independent particle energy. The avoids need to make assumptions about sampple stopping power and it shown be consonant with old as long up‐to‐date evaluation ranges used. revised table dose‐rate data given.
Abstract An infrared diode array (emitting at 880 ± 80 nm) has been developed and tested on archaeologically-dated Romano-British sediment. There was good agreement with the latter also optical dating using 514 nm from a laser. The signal/background ratio for stimulation about 10 times that laser stimulation. Twenty four diodes were used in giving power sample of 15 mW.cm-2. Intensity wavelength drifts after switch-on necessitate warming-up period, photodiode is monitoring/manual control;...
The thermoluminescence (TL) method of dating stalagmitic calcite has been applied to twenty‐seven samples from two paleolithic cave sites; Pontnewydd, Wales, and Caune de l'Arago, Tautavel, France. Environmental dose‐rates were evaluated mainly by means CaF 2 capsule burials. ages the independently determined uranium series disequilibrium method. In general, good agreement is found between TL dates, which cover a range approximately 15 000 300 years B.P. It estimated that should extend order...