Radiocarbon dating thermoluminescence examples of open ended questions for dating

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In the more southerly parts of West Africa, several new dates from just north of the forest refer to the emergence of the earliest Akan groups in Ghana and of Oyo in Nigeria. Further samples have been sent for radiocarbon dating, but the results had not been received by the time this article went to press.. They will be incorporated in the next survey of West African dates.

Previously reported dates from Ife and Benin have now been supplemented by a series of thermoluminescence dates. Grébénart entitled ‘Figurines en terre cuite du néolithique de la région d'Agadez (République du Niger)’ is in the press (.

In Nigeria, new and early dates for the Nok culture are supported by thermoluminescence dating. below the base of a ‘chouchet’-type cairn and 30 cm. Jemkur for providing us with information on the Nok culture thermoluminescence dates. On the figures received from Mr Jemkur, the ‘present’ from which the ages of the samples would be calculated in a.d. Three thermoluminescence samples from the Tsanaga II site gave dates ranging from the 11th to 19th centuries a.d. There are disagreements between the series of dates processed by the Teledyne Isotopes and Rikagaku laboratories.

The discovery of inscribed monuments and calendars associated with dated astronomical observations contributed to the development of an Egyptian chronology and it has served as a framework -- through SYNONYMS OR RELATED TERMS: absolute dating; chronometry CATEGORY: technique DEFINITION: Any technique of dating that relies on chronological measurement such as calendars, radiocarbon dates, etc.

and which give the result in calendar years before the present, or B. Most of these techniques produce results with a techniques do not.

Other methods include: coin dating, seriation, and amino-acid racemization.

The methods have varying applications, accuracy, range, and cost.

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