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Search results for: dendrochronolog in all categories
117 results found.
12 pages of results. 81. Medieval Europe: Dating and Recent Developments [Journals] [SIS Workshop]
... reporting of them through the Portable Antiquities Scheme, has increased our knowledge of coinage enormously in the last few years. The recent discovery (2001) in Bedfordshire of a gold mancus of Coenwulf (Cenwulf) of Mercia (769-821) is the first artefact of any type bearing this king's name. 11. Ibid, p. 696. Dendrochronology on Lincoln Cathedral shows a time-span of timbers in different locations within the structure that takes the date back to the 9th century ( 'Dendrochronology in Cathedrals', by W G Simpson and C D Litton, in The Archaeology of Cathedrals, (eds. Tim Tatton-Brown and Julian Munby), Oxford University Committee for Archaeology Monograph 42, ...
82. The Past Comes Down [Journals] [SIS Workshop]
... It has been possible to adduce comprehensive corroborating evidence in support of this thesis. As a first step it had to be shown how questionable and unreliable our presently used dating methods really are: the radiocarbon method, although seemingly overthrowing, from 1949 onwards, all earlier dates, in its turn had been calibrated, with the help of the dendrochronological method, in a revolutionizing manner. The unreliability factors of this method are of such magnitude that we will have to abandon it completely [2 ] (29). Since Heinsohn has seriously questioned the Assyriological, Sumerological and the Egyptological chronologies [3 ], the only way left seemed to be the abandonment in toto of all such ...
83. Ice Cores of Greenland [Books] [de Grazia books]
... a chance to observe a dust layer(s ) and/or volcanic acid layer(s ) that one would expect to be significantly thicker or more concentrated than those which are known to have been produced by large, single, historical eruptions [4 ]. Hitherto, analogous technologies have threatened, namely carbondating, soil varves, and dendrochronology, but quantavolutionaries have learned to coexist with them. In at least the first two instances, the catastrophic event may itself adjust the hands of the geological clock, while in the third case, the trees to provide the data are limited in space and time. Setting up Mother Nature to count out past time has inspired other technologies ...
84. Letters [Journals] [SIS Review]
... . Baillie is proceeding one stage at a time and for the moment has only advocated a single cosmic event affecting frost signatures, in the 530s AD. Once this is popularised the idea will probably be expanded to include earlier frost signatures including that of 1628BC. Thera should not be used as a yardstick to criticise the overall picture presented by dendrochronology as Baillie is not a historian and is only dealing in the big lumps or blocks of chronology. He provides a perfect match for the Late Bronze period as a whole and it fits snugly between 1628 and 1159-30BC = the Hyksos era of roughly 150 years+ dynasty 18+ most of dynasty 19. It is no accident that the ...
85. Recent Developments in Near Eastern Archaeology [Journals] [SIS Review]
... date down to the next available position (p . 15 n. 55 and see C&CR 1999:2 p. 35 where I wrongly stated that there were to be three articles in Thijs' series - currently at No. 5!). Dodson extends his dates to the pre-Ramesses II period by a rash reliance on a dendrochronological date of c. 1300 BC from the Uluburun (southern Turkish coast) shipwreck (p . 15). The wreckage included a scarab of Nefertiti, Akhenaten's wife, which is assumed to be scrap and to indicate that Akhenaten's reign was fairly recently ended, or at least that it was beyond his Yr. 5 when Nefertiti adopted ...
86. Ages in Chaos in the Light of C14 Archaeometry [Journals] [Pensee]
... . Clark and C. Renfrew, "Tree-ring Calibration of Radiocarbon Dates and the Chronology of Ancient Egypt," Nature, 243, June 1, 1973, 266). Later in the present discussion further consideration will be given to this general problem. ** Some of the possible reasons for these differences between results of C-14 dating and dendrochronology are discussed by Professor Libby in his article. For an instructive comparison of the Suess and Pennsylvania laboratory treering calibrations, see the recent article by Gary A. Wright, "Bristlecone Pine Calibrations of Radiocarbon Dates: Some Examples from the Near, East, " American Journal of Archaeology, 77 (1973), 197. - Ed ...
87. Index of Titles
... of a Proper Identification of the Labyrinth Lasken, Jesse E.: Chronological Placements of the Dynasties of Manetho Lasken, Jesse E.: Egyptian Chronology - The Multiple Name Factor Lasken, Jesse E.: Egyptian Language Anomalies Lasken, Jesse E.: Misusing Radiocarbon: A Case Study Lasken, Jesse E.: Should the European Oak Dendrochronologies be Re-examined? Lasken, Jesse E.: Site Stratification: is it a Sound Methodology? Lawrence, Terry: Shiloh LeFlem, K. A.: More on Apollo LEFLEM, K. A.: Amenophis, Osarsiph and Arzu. More on the Third Intermediate Period of Egypt Leinweber, David Walter: Lucid Dreaming and Visualization ...
88. Heinsohn's Revised Chronology [Journals] [Aeon]
... . Supporters of radical revisions of the generally accepted chronology for ancient times such as Immanuel Velikovsky, Donovan Courville, and now Gunnar Heinsohn, usually consider radiocarbon dating unreliable. They emphasize problems with the method and questions which have arisen about the constancy of the atmospheric ratio of carbon-14 to carbon-12. But rejection of radiocarbon dating also means rejection of dendrochronology (tree-ring dating), one of the most accurate dating methods yet developed. (23) A tree-ring sequence 7,000 years long has been developed from the long-lived bristlecone pine trees of the southwestern United States. Rings from this sequence have been radiocarbon dated, and the results have been used to form a calibration curve for the ...
89. Cosmic Catastrophes and the Origin of Megalithic Cultures [Journals] [SIS Review]
... the following thesis, published in my book Die veraltete Vorzeit' (approximately: The Ageing of Prehistory) [3 ]. The calibration of C14 dates by up to 2000 years showed that C14 data are exposed to too many interference factors to be used as a basis for absolute dating. As long as doubtful procedures such as C14 and dendrochronology are only calibrated with each other, so that the faults of one method are transferred to the other, this is not the place to look for a basis for dating. We therefore should reinstate the typological sequences and cultural cross-references which were valid until 1952. For absolute dating, however, we should take up the ideas developed by ...
90. Comets and the Bronze Age Collapse [Journals] [SIS Workshop]
... field work could reveal. Some indicators may already be evident, such as the abandonment of many long settled sites, a large southward movement of people from the higher latitudes, and a steep, long-term (1159-1140 B.C .) decline in the annual growth of Irish bog oak that stands out in the 7,272 year long dendrochronological record, based on this species of tree [2 ]. Definitive evidence of impact, however, can only come from a detailed analysis of debris directly overlying destruction sites. I urge archaeologists working on this time period to diligently collect dust and debris from cracks and crevices where violent destruction is apparent. In 1992 the current Greenland ice ...
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