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Search results for: radiocarbon in all categories
445 results found.
45 pages of results.
31. Rohl's Chronology - Implications for Mediterranean? [Journals] [SIS Internet Digest]
... Rohl, David@rohl.demon.co.uk Date: Wed, 17 Jan 1996 20:05:41 GMT Ben writes: > I'm still interested in the rejection of the Thera dates. I've > asked about this a number of times recently, without > response. > 1. Is it fair to summarily reject all radiocarbon dates, due > to the concerns of outgassing? > 2. If it is, why? What evidence is there that outgassing has > in fact contaminated these samples? > 3. If samples are contaminated, are ALL of them > contaminated, even the grain seeds found in caches in > destruction layers (which strike me ...
32. Centuries of Darkness? - the reviewers reviewed [Journals] [SIS Review]
... dates for Ramesses II of about 50 years (publication forthcoming). The rather longer review of Centuries of Darkness which appears in the editorial section of the same issue of PEQ appears to be another case of the editor rectifying the omissions of his reviewer. G. Davies refers readers to other published reviews of the book, citing in particular radiocarbon evidence which may require a chronological revision in wholly the opposite direction. Focussing on matters of Palestinian archaeology, he queries (i ) the compression of Iron Age I into a 50 year span, (ii) a possible conflict over the arrival of the Philistines, (iii) archaeological evidence for Solomon building Hazor and for the Israelite ...
33. ASH (Continued) [Journals] [Kronos]
... 1978) "Scientists Confront Scientists Who Confront Velikovsky" Home | Issue Contents ASH (Continued)In the Winter 1973-74 issue of Pensée - under the heading "ASH" - a series of letters, spanning nearly twenty years, was published. This correspondence stands as a vivid testimony to Velikovsky's lengthy, and often futile, efforts to have radiocarbon tests performed on Egyptian antiquities of the New Kingdom. The "ASH" report, as published, concluded with the letter of a Dutch chemist (dated April 19, 1973) to Mr. A. Bruce Mainwaring, at the time coordinator of a Carbon 14 project sponsored by the Foundation for Studies of Modern Science (FOSMOS) ...
34. Geomagnetic Effects of an Earthwide Event in 2300BC [Journals] [SIS Review]
... and Wei ) Further evidence is in the form of combined measurements from a large number of locations on the Earth, rather than from only one geographical location. The measurements are obtained from thermoremanent magnetism measurements on clay objects or lava in those regions. Time determination of the points is based on a combination of cultural synchronisation and radiocarbon dating. An ideal approach for these cumulative reports is to base the correlation analysis on a large number of samples with an even distribution over both longitude and time. Unfortunately, longitude/time measurement uniformity is limited by the need to rely on independent research reporting - the achievable data base is therefore somewhat less uniform in longitude and time ...
35. Sagan's fourth problem: Terrestrial Geology And Lunar Craters (Carl Sagan & Immanuel Velikovsky) [Books]
... , is that 3,500 years ago, is the end of the Ice Age, the rising of mountains to their present heights and a period when the Earth was inundated by the oceans plus major extinctions of fauna and changes in climate. Thus, in terms of this probable dating, evidence for this date should exist. Based on radiocarbon dating, Velikovsky stated, "It was shown that ice, instead of retreating 30,000 years ago, was still advancing 10,000 or 11,000 years ago. This conflicts strongly with the figures arrived at by the varve method concerning the final phase of the Ice Age in North America. "Even this great reduction ...
36. Carbon 14 Dates and Velikovsky's Revision of Ancient History [Journals] [Pensee]
... These are not subject to the theories of historians but are impersonal and scientific. If understood and used properly they furnish unprejudiced dates. These depend upon the conversion of an unstable element to a stable one at a measurable rate, e.g ., potassium to argon, uranium to lead, carbon14 to nitrogen14 (4 ). The radiocarbon method has been applied only very sparingly to Egyptian objects of the 18th-21st Dynasties (those of most concern to Velikovsky's revision of ancient history), because, for one thing, the system of absolute dates is assumed to be more accurate and have a smaller margin of error than the C14 method provides (5 ). Some carbon dates ...
37. 1990 ISIS Fellowship Lecture Meeting [Journals] [SIS Workshop]
... history: once corrected, the German oak chronology cross-checked with the Irish at numerous points, and in turn both European chronologies with the master chronologies of the sequoia and bristlecone pine in North America. Dr Baillie told the meeting that these were independently arrived at tree-ring chronologies which confirmed each other: they formed the basis for the tree-ring calibration of radiocarbon and, with modern high-precision radiocarbon estimations on the wood, we have a calibration curve which has been accepted by the scientific and archaeological world. Dr Baillie took pains to demonstrate that it was not possible to remove 300 years out of the tree-ring sequence anywhere in the 1st millennium. Even at the flat part of the calibration curve 740-410 ...
38. In Defence of the Revised Chronology [Journals] [SIS Review]
... points raised. In Defence of the Revised Chronology Martin Sieff Copyright (c ) M. Sieff 1976 An Answer to John Day The same numbering of the sections has been adopted for easier reference; sections 7 to 9 will follow in the Spring Issue, with further thoughts from John Day and any other points to be made. 1. RADIOCARBON DATES I agree with John Day that radiocarbon dating is a two-edged sword. But, accordingly, if Velikovsky cannot claim radiocarbon confirmation, neither can he be rejected on radiocarbon refutation. The sword cuts both ways! Day points out that "a radiocarbon dating of an object of the 25th-26th Dynasties gave the date 280 BC ( 130) ...
39. Objections to the Revised Chronology [Journals] [SIS Review]
... below, which Martin Sieff is completing as this issue goes to print, will appear in the next Newsletter. (My first three objections to Velikovsky's thesis relate essentially to the as yet unpublished sequels to Ages In Chaos : I base myself on his outline in the Theses for the Reconstruction of Ancient History (1945).) 1. RADIOCARBON DATES Velikovsky claims that radiocarbon tests will prove his reconstruction of ancient history to be correct. Already, the fact that a test on Tutankhamun's tomb gave a date of 1030 B.C . ( 50) is claimed in his support. (Orthodox chronology dates Tutankhamun about 1350 B.C . whilst Velikovsky dates him about 830 B ...
40. Megalithic Astronomy and Catastrophism [Journals] [Pensee]
... assumptions and unquestioned beliefs and to lay bare the raw data for inspection. It must be recognized that in many fields insufficient data has been collected to make it possible to come to a clear decision as to which theory best fits the evidence, and that this may be one of those fields. A Note on Dating Before the advent of radiocarbon dating, the British Late Neolithic and Early Bronze Age sites which figure prominently in this article were dated mainly by extrapolating backwards from a link detected with the historical chronologies of the Mediterranean in the 16th-14th centuries B.C . (3 ). This "Mycenaean horizon," it was thought, could be seen in a variety of ...
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