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Author : V. Courtillot
Release : 2002-03-07
Genre : Nature
Kind : eBook
Book Rating : 189/5 ( reviews)
Book Synopsis Evolutionary Catastrophes by : V. Courtillot
Download or read book Evolutionary Catastrophes written by V. Courtillot. This book was released on 2002-03-07. Available in PDF, EPUB and Kindle. Book excerpt: Mass extinction and cataclysmic volcanic activity: will fascinate everyone interested in the history of life and death on our planet.
Author : Tony Hallam
Release : 2005-07-14
Genre : Science
Kind : eBook
Book Rating : 150/5 ( reviews)
Book Synopsis Catastrophes and Lesser Calamities by : Tony Hallam
Download or read book Catastrophes and Lesser Calamities written by Tony Hallam. This book was released on 2005-07-14. Available in PDF, EPUB and Kindle. Book excerpt: This is a book about the dramatic periods in the Earth's history called mass extinctions - short periods (by geological standards) when life nearly died out on Earth. The most famous is the mass extinction that happened about 65 million years ago, and that caused the death of the dinosaurs. But that was not the worst mass extinction: that honour goes to the extinction at the end of the Permian Period, about 250 million years ago, when over 90% of life is thought to have become extinct. What caused these catastrophes? Was it the effects of a massive meteorite impact? There is evidence for such an impact about 65 million years ago. Or was it a period of massive volcanic activity? There is evidence in the rocks of huge lava flows at periods that match several of the mass extinctions. Was it something to do with climate change and sea level? Or was it a combination of some or all of these? The question has been haunting geologists for a number of years, and it forms one of the most exciting areas of research in geology today. In this book, Tony Hallam, a distinguished geologist and writer, looks at all the different theories and also what the study of mass extinctions might tell us about the future. If climate change is a key factor, we may well, as some scientists have suggested, be in a period of mass extinction of our own making.
Author : Anthony Hallam
Release : 2005-07-14
Genre : Nature
Kind : eBook
Book Rating : 688/5 ( reviews)
Book Synopsis Catastrophes and Lesser Calamities by : Anthony Hallam
Download or read book Catastrophes and Lesser Calamities written by Anthony Hallam. This book was released on 2005-07-14. Available in PDF, EPUB and Kindle. Book excerpt: This is a book about the dramatic periods in the Earth's history called mass extinctions - short periods (by geological standards) when life nearly died out on Earth. The most famous is the mass extinction that happened about 65 million years ago, and that caused the death of the dinosaurs. But that was not the worst mass extinction: that honour goes to the extinction at the end of the Permian Period, about 250 million years ago, when over 90% of life is thought to have becomeextinct.What caused these catastrophes? Was it the effects of a massive meteorite impact? There is evidence for such an impact about 65 million years ago. Or was it a period of massive volcanic activity? There is evidence in the rocks of huge lava flows at periods that match several of the mass extinctions. Was it something to do with climate change and sea level? Or was it a combination of some or all of these?The question has been haunting geologists for a number of years, and it forms one of the most exciting areas of research in geology today. In this book, Tony Hallam, a distinguished geologist and writer, looks at all the different theories and also what the study of mass extinctions might tell us about the future. If climate change is a key factor, we may well, as some scientists have suggested, be in a period of mass extinction of our own making.
Author : Trevor Palmer
Release : 2012-12-06
Genre : Science
Kind : eBook
Book Rating : 019/5 ( reviews)
Book Synopsis Controversy Catastrophism and Evolution by : Trevor Palmer
Download or read book Controversy Catastrophism and Evolution written by Trevor Palmer. This book was released on 2012-12-06. Available in PDF, EPUB and Kindle. Book excerpt: In Controversy, Trevor Palmer fully documents how traditional gradualistic views of biological and geographic evolution are giving way to a catastrophism that credits cataclysmic events, such as meteorite impacts, for the rapid bursts and abrupt transitions observed in the fossil record. According to the catastrophists, new species do not evolve gradually; they proliferate following sudden mass extinctions. Placing this major change of perspective within the context of a range of ancient debates, Palmer discusses such topics as the history of the solar system, present-day extraterrestrial threats to earth, hominid evolution, and the fossil record.
Author : George McCready Price
Release : 1926
Genre : Catastrophes (Geology)
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Evolutionary Geology and the New Catastrophism by : George McCready Price
Download or read book Evolutionary Geology and the New Catastrophism written by George McCready Price. This book was released on 1926. Available in PDF, EPUB and Kindle. Book excerpt:
