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Search results for: radiocarbon in all categories
445 results found.
45 pages of results.
11. Scientific Dating Methods In Ruins [Journals] [Velikovskian]
... past century. Recently, William H. Stiebing, Jr., in his criticism of Gunnar Heinsohn's revised chronology, has offered his support of these methods as an assurance of evidence good enough to support the established chronology. (3 ) What Stiebing offers, in part, to refute the historical revisions, are four scientific dating methods: radiocarbon (C-14) dating, dendrochronology, thermoluminescence and stratigraphy. These methodologies are, according to Stiebing, in full agreement with the established chronology and, therefore, cannot be invoked to support major revisions of ancient history. I will show that Stiebing's assurances are clearly unsupported by the evidence. The fundamental experimental evidence presented by investigators in each ...
12. Ash [Journals] [Pensee]
... From: Pensée Vol. 4 No 1: (Winter 1973-74) "Immanuel Velikovsky Reconsidered VI" Home | Issue Contents Ash "Ash" -the short monosyllable suggests not only the physical end product of radiocarbon tests, but also something of the asperity engendered by prolonged attempts to have them made and interpreted. So much labor of mobilization, it seems, for such ambiguous results. And yet the story, which is often one of frustration, has its moments of triumph. At the least, as Velikovsky remarked to one of his correspondents, it "reads like a very adventurous tale." Copyright 1974 Immanuel Velikovsky Our aims in publishing these letters are several. ...
13. A Bit Creaky? - Tree Rings, Radiocarbon and Ancient History [Journals] [SIS Review]
... From: SIS Chronology & Catastrophism Review 1991 (Vol XIII) Home | Issue Contents A Bit Creaky? - Tree Rings, Radiocarbon and Ancient History by Alasdair N. Beal A graduate of Glasgow University in 1975, Alasdair Beal is a consulting structural engineer based in Leeds. He has had several papers published on civil engineering design and the use of statistics and probability theory, as well as articles on a variety of non-engineering subjects. He became the Editor of C & C Workshop in 1991. Like it or not, students of ancient history, physicists and dendrochronologists (people who study tree rings) are now locked in dispute over their different interpretations of ancient history. ...
14. An Integrated Model for an Earthwide Event at 2300 BC. Part I: The Archaeological Evidence [Journals] [SIS Review]
... with the model, but also on the absence of material that does not agree with it. Both aspects will be addressed in the evidence assessment, hopefully on an objective basis. In organizing the evidence in this article, I have tried to be very careful in providing supporting information for event dating. I have utilized both cultural synchronisation and radiocarbon dating as they were available. Both of these techniques have limitations which must be assessed in their application; rather than favouring one over the other, I have attempted to apply them on a balanced basis. In addition to these two chronological techniques, a number of cultural discontinuities in North America and Peru are linked to a climate transition ...
15. Scientific Prehistory [Books]
... - v Publication of PEM; Cover page of PEM; Preface to Scientific Prehistory Reviews by T. Barnes, J. Read, Rev. W. Lang mentioned. Chapter I Reviews of PEM 1- 9 A. Beal review; R.L . Numbers comments on Author, "Man, His Origin and Destiny" Chapter II Radiocarbon and Tree-Ring Dating 10 - 22 ER vs. NER, Developments since PEM; Tree-ring dating; "Calibrated" vs., Ordinary C-14 dating; Ages of Pharaohs; Zoser's Great Architect, Imhotep (Joseph?); ER Dating before the Flood and NER Dating after The Flood. Chapter III Geological Chronometry 23- 46 Dating by ...
16. The Pitfalls of Radiocarbon Dating [Journals] [Pensee]
... From: Pensée Vol. 3 No 2: (Spring-Summer 1973) "Immanuel Velikovsky Reconsidered IV" Home | Issue Contents The Pitfalls of Radiocarbon Dating Immanuel Velikovsky Copyright 1973 by Immanuel Velikovsky How Libby's warnings were ignored Offering in 1952 his new radiocarbon method for calculating the age of organic material (the time interval since the plant or the animal died), W. F. Libby clearly saw the limitations of the method and the conditions under which his theoretical figures would be valid: A. Of the three reservoirs of radiocarbon on earth- the atmosphere, the biosphere, and the hydrosphere, the richest is the last- the oceans with the seas. The correctness of the method ...
... an indication of when the organic material died. The original ratio is very small, about one in a million million atoms, but it can be fairly accurately measured with the use of sensitive instruments. The method is, however, tedious and expensive, and requires burning the artifact material for an ash sample to analyze. The half-life of radiocarbon is 5,730 years. This means that, after 5,730 years, half of a sample of carbon 14 has decayed. After another 5,730 years, half of the remaining half will have decayed, leaving a fourth of the original amount. For example, if you started with 100 carbon 14 atoms you would ...
18. Clock Unwound. Ch.10 Thirty-five Centuries Ago (Earth In Upheaval) [Velikovsky] [Velikovsky Earth in Upheaval]
... out the number of years spent in their deposition. By studying the rings in old tree trunks we can determine the time of climatic changes as reflected in their growth. The remains of extinct and extant animals-their appearance, position on the ladder of evolution, and state of fossilization-enable us to establish their time of existence. By the content of radiocarbon in organic matter we may detect the time when an animal or plant died, and by the accumulation of fluorine in bones the length of time since burial. Finally, by studying artifacts and archaeologically determinable strata in the lands of antiquity, we may discover the time of deposit of associated animal or human remains; and by associated pollens ...
19. Prehistory and Earth Models [Books]
... President, IRECO Chemicals, Salt Lake City MAX PARRISH LONDON MAX PARRISH AND CO. LTD 1-5 PORTPOOL LANE LONDON E.C .I © MELVIN A. COOK 1966 PRINTED IN GREAT BRITAIN BY HAZELL WATSON & VINEY LTD AYLESBURY, BUCKS TABLE OF CONTENTS PREFACE Chapter I GEOLOGICAL CHRONOMETRY: THE SHORT TIME CLOCKS Methods of Geological Chronometry; The Radiocarbon Method of Libby; Ionium Method; The Helium Method; Uranium in the Oceans; Tritium; A Salt Trap Basin Chronometry; Varves Chapter II GEOLOGICAL CHRONOMETRY: URANIUM-THORIUM-LEAD Need for Re-evaluation; Nuclear Reactions; Uranium- Thorium Accretion; Steady State Distributions; Zone Melting; Isotope Ratio Method; Analysis of the U- Th- Pb Time Clocks' ...
20. The Answer to Clapham's Question: Revise! [Journals] [Catastrophism & Ancient History]
... to Clapham's Question: Revise!Jesse E. Lasken Phillip Clapham may be correct that Biblical chronologies are imperfect (C &AH 14, 1), but his reliance on conventional Near Eastern chronologies to support his proposed corrections is misguided. Clapham asserts the basic accuracy of the conventional chronologies based on nothing more than an undocumented assertion concerning the radiocarbon evidence. While many conventional chronologists claim the radiocarbon evidence confirms the conventional chronologies, objective analysis suggests the opposite. Typically, those who use radiocarbon results to defend the Egyptian chronology ignore the "old wood" problem, misuse statistics, and rely upon dubious methodologies to make the data fit.49 If they studied the data more carefully ...
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