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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.Precision is difficult to estimate and varies with the type of sample.SYNONYMS OR RELATED TERMS: geological dating CATEGORY: technique; related field DEFINITION: The study of earth history by correlating archaeological events to the timing and sequencing of geological events.Excavation of the lunette has produced the best authenticated series of radiocarbon dates for the earliest evidence of man's occupation of Australia, and the remains of a cremated human female date to c 26,000 bp, the oldest evidence of cremation in the world.The remains of a man in an extended inhumation covered with red ochre is dated to c 30,000 bp. The appearance of grinding stones in this period suggest adaptation to wild grain exploitation.SYNONYMS OR RELATED TERMS: thermoluminescence dating, thermoluminescent dating; TLCATEGORY: technique DEFINITION: Chronometric method of dating ceramic materials by measuring the stored energy created when they were first fired.
CATEGORY: site DEFINITION: Town and cave site in eastern Sierra Leone with one of the few stratified sequences of Palaeolithic and Neolithic stone industries in that country.Many new techniques are being developed and tested.SYNONYMS OR RELATED TERMS: ESRCATEGORY: technique DEFINITION: A dating method using the residual effects of electrons' changing energy levels under natural irradiation of alpha, beta, and gamma rays.There is also a nearby Mesolithic site with evidence of flintknapping.The site became important c 100 CATEGORY: geology DEFINITION: Atoms of the same element that have different atomic masses due to having different numbers of neutrons in the nuclei, but which still have similar chemical properties.
Other methods include: coin dating, seriation, and amino-acid racemization.