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Radiocarbon Age

Calibration of a radiocarbon age

Calibration of a radiocarbon age

... C age is m ± s 14 C BP, the standard programs do not (generally) consider the proba- bility distribution of the age to be Gaussian (or log-Gaussian) with mean m and standard deviation ...sample’s ...

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Improving chronological control for environmental sequences from the last glacial period

Improving chronological control for environmental sequences from the last glacial period

... each age estimate, consideration of the pretreatments and materials used (Figure 1b), in addition to evidence from independent age control, allowed us to traffic light code each ...independent age ...

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Holocene Geomorphology of the Macdonald and Tuross Rivers

Holocene Geomorphology of the Macdonald and Tuross Rivers

... basal age of 3250 to 3850 calibrated radiocarbon years was ...calibrated radiocarbon years, had since been abandoned by stream incision and replaced by the even lower Belgrave Terrace is a noteworthy ...

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New radiocarbon dates for the Late Gravettian in Eastern Central Europe

New radiocarbon dates for the Late Gravettian in Eastern Central Europe

... Gliwice radiocarbon laboratory for AMS radiocarbon ...Marine13 radiocarbon age calibration curves 0 – 50,000 years cal ...BP. Radiocarbon 55(4):1869 – ...

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Introduction to the geography and geomorphology of the Andaman–Nicobar Islands

Introduction to the geography and geomorphology of the Andaman–Nicobar Islands

... compared radiocarbon age data from coastal fossil coral terraces on Interview Island, Hut Bay on Little Andaman, Port Blair and North Cinque Island, South Andaman with terraces on the east coast of Lamiya ...

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The 3.6 ka Aniakchak tephra in the Arctic Ocean: a constraint on the Holocene radiocarbon reservoir age in the Chukchi Sea

The 3.6 ka Aniakchak tephra in the Arctic Ocean: a constraint on the Holocene radiocarbon reservoir age in the Chukchi Sea

... determining age and accumulation rates in Holocene sed- iments is the analysis of radiocarbon ( 14 C) content (Walker, ...reservoir age (R) (Reimer and Reimer, 2001). The reservoir age R is a ...

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Moving beyond the age–depth model paradigm in deep-sea palaeoclimate archives: dual radiocarbon and stable isotope analysis on single foraminifera

Moving beyond the age–depth model paradigm in deep-sea palaeoclimate archives: dual radiocarbon and stable isotope analysis on single foraminifera

... the age distribution of a discrete sediment interval. Radiocarbon laboratory results are based on the mean 14 C activity of a sample, to which laboratories apply the Libby half-life in order to report a ...

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Floodplain connectivity, disturbance and change: a palaeoentomological investigation of floodplain ecology from south west England

Floodplain connectivity, disturbance and change: a palaeoentomological investigation of floodplain ecology from south west England

... or radiocarbon age category, sig- nificant differences in species richness occur between age and sediment categories, with younger samples having the highest overall species richness, as well as ...

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A database of paleoceanographic sediment cores from the North Pacific, 1951–2016

A database of paleoceanographic sediment cores from the North Pacific, 1951–2016

... 2). Radiocarbon dating is the most common region-wide chronological technique (51 % of age models incorporate this ...local age models incorporate this ...Japan age models due to regional ...

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Poisoning histories in the Italian renaissance: The case of Pico Della Mirandola and Angelo Poliziano

Poisoning histories in the Italian renaissance: The case of Pico Della Mirandola and Angelo Poliziano

... that he was a man of advanced age. The remains are therefore compatible with Girolamo Benivieni, who died in 1542, at the age of 89. The skeletal remains attributed to Pico della Mirandola were located ...

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Radiocarbon dating of glacier ice: overview, optimisation, validation and potential

Radiocarbon dating of glacier ice: overview, optimisation, validation and potential

... mixed age of ice with a large age distribution. In these cases, the age limit was thus not determined by the 14 C half-life of 5730 years (Godwin, 1962), but by the achievable spatial depth resolu- ...

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Radiocarbon analysis of stratospheric CO 2retrieved from AirCore sampling

Radiocarbon analysis of stratospheric CO 2retrieved from AirCore sampling

... sample, reference materials (with masses similar to that of the sample) containing varying levels of radiocarbon are also prepared following identical preparation steps. The extent to which the reference materials ...

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Uranium-series and radiocarbon dating of speleothems – methods and limitations

Uranium-series and radiocarbon dating of speleothems – methods and limitations

... into the sample at t=0 must be taken into account, and the age corrected appropriately. This can be done in several ways (see I VANOVICH & H ARMON 1982, S CHWARCZ & L ATHAM 1989, P RZYBY ¸ OWICZ & al. ...

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The selection of non-marine molluscan shells
for radiocarbon dating

The selection of non-marine molluscan shells for radiocarbon dating

... The analysis of 41 shells of the species Helix pomatia and three shells of Cepaea nemoralis was undertaken to assess whether variations in 613C and 6 1 °0 values were present within sing[r] ...

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Some recent radiocarbon dates from Southern Africa

Some recent radiocarbon dates from Southern Africa

... In the upper reaches of the Zambezi River system, a late facies Maxton at the site of Surtic Farm has been dated to early in the eleventh century Pta-I842,104 supporting comparable dates[r] ...

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Applications of radiocarbon measurements in environmental studies at INFN-LABEC, Florence

Applications of radiocarbon measurements in environmental studies at INFN-LABEC, Florence

... the water column at the depth where these organisms have lived; in fact, af- ter their death, they fall onto the sea floor, during a time range from 3 days to 2 weeks, and then they are “stored” in the sedimentary record. ...

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A database of radiocarbon dates for palaeoenvironmental research in eastern Africa

A database of radiocarbon dates for palaeoenvironmental research in eastern Africa

... published radiocarbon dates were entered from palaeoenvironmen- tal studies, including palaeoclimatological, palaeoeco- logical, environmental archaeology and palaeontological ...common radiocarbon dating ...

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Disturbance in the North Island of New Zealand: A case study using floodplain cores from the Coromandel to determine anthropogenic disturbance : A thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Geography

Disturbance in the North Island of New Zealand: A case study using floodplain cores from the Coromandel to determine anthropogenic disturbance : A thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Geography Massey University, New Zealand

... With the combination of the sedimentological and geochemical analysis in relation to the known human history at the site, the distinct band at 0.6 m in the core has been interpreted as a ‘mining layer’ whereby ...

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Radiocarbon and linguistic dates for occupation of the South Wellesley Islands, northern Australia

Radiocarbon and linguistic dates for occupation of the South Wellesley Islands, northern Australia

... Jirrkamirndiyarrb is an extensive low density shell midden complex located in the near-surface deposits of mobile sand dunes between 0.5 and 1.5 km west of Nyinyilki. Scatters of gaping tapes (Marcia hiantina) are ...

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Marine tephra in the Japan Sea sediments as a tool for paleoceanography and paleoclimatology

Marine tephra in the Japan Sea sediments as a tool for paleoceanography and paleoclimatology

... Because the 14 C concentration of surface seawater dif- fers from that of the atmosphere, evaluating the marine reservoir effect is crucial to accurately calibrate marine radiocarbon dates with calendar ages. The ...

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