Dating old buildings

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There is also a supplementary list of qualifying structures for which no confirmed date of construction is available and a short listing of substantial prehistoric structures that are not buildings as defined above. The oldest remains include a double beehive cell and a grave associated with the mother of Columba.

The information in this record has been migrated into t DAR from the National Archaeological Database Reports Module (NADB-R) and updated.Radiocarbon Dating Founded on a false belief that levels of carbon isotopes never vary, initial radiocarbon dates were commonly off by hundreds of years.Because wood can be dated directly and by radiocarbon, scientists used bristlecone pines to calculate a new calibration curve, and convert radiocarbon results into accurate calendar dates.There are larger numbers of extant qualifying structures from 1200 onwards and separate lists for 13th-century castles and religious buildings are provided.As the oldest buildings in many of the council areas in the more urbanised Central Belt date from after the 14th century a separate list showing oldest buildings by council area is provided.

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