A formal mammalian biostratigraphy for the Late Pleistocene of Britain

This twenty-fourth list of accelerator dates consists mainly of material dated since the beginning of 1994, but includes a number of measurements made earlier in the dating programme. I t also includes, for the first time, a list of samples measured incollaboration with the Centre de Datation par le Radiocarbone de Lyon: Lyon samples both pretreated and measured at Oxford have been assigned Oxford laboratory numbers in the usual way, in addition to Lyon numbers, whereas those pretreated at Lyon and measured at Oxford have only a Lyon laboratory number and the suffix '(OxA)'. All dates have been achieved by the methods described in Law and Hedges (1989), Hedges rt ul. (1989 and 1992). Determinations with OxA numbers greater than 2095 were measured on the CO, gas ion-source (Bronk and Hedges 1989) rather than on the previous iron-graphite system. In accordance with international radiocarbon convention all dates are expressed in radiocarbon years before AD 1950 (years BP) using the half-life of 5568 years. Errors are quoted as one standard deviation and are based on an assessment of all the contributions to the error in the laboratory isotope ratio measurement. Natural fractionation of carbon isotopes is accounted for by measuring the 6 ' T values relative to PDB (with errors of approximately 0.3!%0). All combining procedures and significance tests are based on Ward and Wilson (1978). Comments composed by the Laboratory on the basis of information supplied by submitters are given without attribution. Previous Archueometry datelists are referred to in the form: Arch. List 23.

https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1475-4754.1997.tb00820.x

Radiocarbon dates from the oxford ams system: archaeometry datelist 24

Eleven thin sections of Late-glacial and early Holocene sediments from Gough's Cave were investigated by soil micromorphology in order to complement analyses of contemporary faunal and human remains. Despite the paucity of continuous vertical and lateral stratigraphic sequences, which were the result of cave exploitation during the first half of the twentieth century, we were able to elucidate site formation processes relating to both Late-Glacial environmental conditions and the burial environment affecting human remains.

Gough's Cave, Cheddar, Somerset: Microstratigraphy of the Late Pleistocene/earliest Holocene sediments

King Arthers Cave, Whitchurch Herefordshire: Reassessment of a Middle and Upper Palaeolithic, Mesolithic and Beater site

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King Arthers Cave, Whitchurch Herefordshire: Reassessment of a Middle and Upper Palaeolithic, Mesolithic and Beater site