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76 pages of results. 1. Nemesis for Evolutionary Gradualism? [Books]
... confusion between the Cretaceous and the Cambrian or Carboniferous Periods [3 ,4 ]. The K-T boundary, more than any other between geological periods, is clearly defined throughout the world [5 ]. One likely reason for this is that, at around 65 (or 66) Myr old, it is younger than the other major mass extinction horizons identified by Norman Newell [6 ], so has had less chance of being affected by any disruptions of the Earth's crust [3 ,7 ]. The K-T boundary in limestone formations is commonly marked by a thin clay layer, just a centimetre or so in thickness [1 ,2 ,5 ,8 ,9 ] ...
2. Radiocarbon Dating The Extinction [Journals] [Velikovskian]
... From: The Velikovskian Vol 3 No 2&3 (1997) Home | Issue Contents Radiocarbon Dating The Extinction Charles Ginenthal Radiocarbon dating is the final support, and only support for the contention of the age of the extinction. As Haynes says, "According to radiocarbon dates, a proboscidean crisis occurred 10,000 to 12,000 years ago, the interval when mammoths and mastodonts disappeared from the world."1 But he also admits that "some would say they disappeared later."2 This later extinction possibility Haynes and the other uniformitarians are clearly unwilling to examine presently or admit openly. To drop this 10,000 year extinction date would destroy both the ...
3. Nemesis for Evolutionary Gradualism? [Journals] [SIS Review]
... by Trevor Palmer Dr Trevor Palmer is Head of the Department of Life Sciences at Trent Polytechnic, Nottingham, and a member of SIS Council. He is author of Understanding Enzymes, now in its second edition, and of about 50 research papers and review articles. Evidence continues to accumulate for extraterrestrial impacts at the Late Cretaceous and other mass extinction horizons. A possible periodicity in mass extinctions has been detected, which may be associated with cometary or other bombardments resulting from the effects of a Solar companion, a tenth planet, movement across the galactic plane, or ejection of core material from large gaseous planets. Following the publication in 1980 of the paper of Luis and Walter Alvarez ...
4. Some Additional References on Mass Extinctions and on Radioactivity (especially K-T) [Journals] [Catastrophist Geology]
... From: Catastrophist Geology Year 3 No. 1 (June 1978) Home | Issue Contents Some Additional References on Mass Extinctions and on Radioactivity (especially K-T)Johan B.Kloosterman Selected by Johan B.Kloosterman from several bibliographies, using as criterion only the titles. With thanks to Dale A.Russell, Llewellyn I.Price, Jacobus C.Gravesteyn and Manfred Warth. See also the previous sections, and the articles of Schindewolf and of Salop in Catastr.Geol. 212. Andova A., 1929: Aussterben der Mesozoischen Reptilian. Palaeobiologice 2:222-245; 2:365-401. Anonymous, 1975: Did the anaerobes defeat the dinosaurs? New Sci. ...
5. The Climate Hypothesis [Journals] [Velikovskian]
... From: The Velikovskian Vol 3 No 2&3 (1997) Home | Issue Contents The Climate Hypothesis Charles Ginenthal The other major theory for the Pleistocene extinction is based on a sudden onset of warm weather, which drastically changed the environment and left the fauna in areas which no longer could support them. Unable to adapt to this rapid, environmental change they simply died out. This theory had been suggested by Alfred Russel Wallace before he opted for the hunting hypothesis as more acceptable. What he originally believed is that the extinction had been brought about by "the great and recent physical [climatic] change known as the Glacial Epoch. '" 1 Krishtalka summarizes this ...
6. The Reality of Extinctions [Journals] [Aeon]
... From: Aeon IV:4 (Apr 1996) Home | Issue Contents The Reality of Extinctions Peter Michael James Extinction of the dinosaurs has always been a fitting topic for popular science, particularly because of the alleged link with meteorite impacts- which we shall return to later. In contrast, other extinctions have never caught the public imagination in quite the same way. Yet there have been equally dramatic events, some close to our own times. To name a few of the better known ones: A mere ten or eleven thousand years ago, something like 70% of the large animals of North America were wiped out. In South America, the percentage was even higher ...
7. Extinction And Survival [Books]
... II | III | IV | Chap 3: I | II | III | IV | V | VI | VII | Chap 4: I | II | III | IV | Chap 5: I | II | III | IIII | PART IV : Appendixes I | II | III | IV | Acknowledgements | Notes And References | II Extinction And Survival 1. It is generally believed that extinction is the consequence of `the struggle for the means of existence', which results in the `survival of the fittest'. This concept has become an article of belief since the publication in 1859 of Charles Darwin's book, The Origin of Species. It is explained at length ...
8. Catastrophism and Evolution [Journals] [SIS Review]
... Principal Lecturer in Biochemistry at Trent Polytechnic, Nottingham. Although it remains probable that natural selection is a major evolutionary mechanism, it no longer seems likely that evolution proceeds in an even-paced manner. Species tend to appear rapidly, by geological standards, and may eventually disappear equally abruptly, showing few morphological changes in between. On occasions, mass extinctions of species have taken place, to be followed by the rapid appearances of new species to fill vacant ecological niches. Astronomical evidence suggests that at least some mass extinctions are likely to have resulted from the impacts of comets or asteroids upon the Earth, while geological and palaeontological evidence is consistent with the extinctions at the end of the Cretaceous ...
9. Challenges to Evolutionary Gradualism [Books]
... boundaries, it subsequently became clear, had been determined by events that occurred only in Europe. Thus, Stanley described a limestone quarry in W. Maryland where there was no way of knowing where the Silurian ended and the Devonian began [10: p. 81]. Other boundaries, however, seemed to indicate times when a mass extinction of species had occurred on a world-wide basis. This was particularly true of the boundaries between the Palaeozoic, Mesozoic and Cenozoic Eras: indeed, John Phillips, then Professor of Geology at Oxford University, defined the main geological eras in 1860 on precisely this basis [11]. We now know that half the families of marine organisms ...
10. Controversy: Catastrophism and Evolution, The Ongoing Debate, by Trevor Palmer (Review) [Journals] [SIS Review]
... studies of the fossil record suggest that evolution has been episodic, with abrupt transitions between forms rather than a slow and stately procss of change. Secondly, the role of extraterrestrial processes (particularly asteroidal and cometary impacts) has come to prominence as a potent evolutionary driving force. Sudden catastrophic events, such as meteor showers, may cause mass extinctions followed by rapid bursts of new species. To argue his case, Palmer starts the book by introducing the role of extraterrestrial events in Earth history and in the history of bodies in the Solar System. In Chapter 2, he examines the historical background to catastrophism. The main point of this chapter is to dispel the myth, prevalent ...
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