Open Questions: Mass Extinctions
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Introduction
Site indexes
Sites with general resources
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BBC Extinction Files: Mass Extinctions
- Good collection of information on the topic, with many
illustrations and attention to specific mass extinction events.
Part of the BBC
Evolution Website.
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The Siberian Traps
- "This website is designed to provide information about
the Siberian Traps and the contemporaneous end-Permian mass
extinction, and to outline our research on these topics."
Site is maintained by Andy Saunders and Marc Reichow of the
University of Leicester. Includes a little information about
flood basalts and mass extinctions and a few
external links.
Surveys, overviews, tutorials
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Extinction event
- Article from
Wikipedia.
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Ten things that cause mass extinctions
- December 2009 article from
Cosmos Magazine,
listing 10 possible causes of mass extinctions.
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Flood Basalts, Mantle Plumes & Mass Extinctions
- A page of general information on the subject, including a
table of flood basalt episodes and corresponding extinction
events.
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Did Asteroid-Induced Firestorm Destroy the Dinosaurs?
- November 1999
article from Space.com.
Describes how an asteroid impact may have caused the release of
methane which ignited, caused a global firestorm, and led to a
mass extinction event.
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How an Asteroid Impact Causes Extinction
- November 1999
article from Space.com.
Explains the possible consequences of an asteroid impact which
could lead to mass extinctions.
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Extinctions: Cycles of Life and Death Through Time
- Nice overview of the various mass and minor extinction
events in Earth's history, with speculation as to possible causes.
Part of the
Hooper Virtual Paleontological Museum.
-
Chicxulub Impact Event
- General information on the impact event which thought to
have caused the mass extinction 65 million years ago.
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Dinosaur dust-up: Princeton paleontologist produces evidence
for new theory on extinction
- September 22, 2003 article in the
Princeton Weekly Bulletin about the research of Gerta Keller
that casts doubt on the asteroid impact theory of
end-Cretaceous extinction event.
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E.T. Molecules Explain a Mass Extinction
- February 2001 Scientific American news article about
evidence that an asteroid impact caused the Permian-Triassic
mass extinction.
-
Deeper Impact
- May 2001 Scientific American News Scan article about the
possibility that the Permian-Triassic mass extinction may have
been caused by an asteroid impact.
-
Lone Offender Killed the Dinosaurs
- March 2001 Scientific American news article about research
that implies an asteroid impact was the sole cause of the KT
mass extinction.
-
Volcanic Accomplice
- March 2001 Scientific American Science and the Citizen
article, subtitled "Deadly impacts may have exacerbated massive
eruptions."
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Extinctions Tied to Impact from Space
- February 2001 news article from Science News about
evidence for an impact event as the cause of the Permian-Triassic
mass extinction.
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Was it sudden death for the Permian period?
- July 2000 news article from Science News about evidence
that the Permian-Triassic mass extinction occurred in a time
period of less than 8000 years.
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A Mathematical Model for Mass Extinction
- Brief single page.
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Impact from the Deep
Peter D. Ward
Scientific American, October 2006
-
- Repeated Blows
Luann Becker
Scientific American, March 2002, pp. 76-83
- During the last 600 million years the Earth has sustained
impact from meteorites five or more kilometers in size an average
of once every 10 million years. Such impacts may account for
most or all of the top five known mass extinction events.
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What caused the spectacular extinctions at the end of the Permian period?
Richard Monastersky
Science News, February 1, 1997
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Copyright © 2002 by Charles Daney, All Rights Reserved