Canada Meteorite News- Sudbury Impact Makes Waves 5DEC09

Life began with a bang in Sudbury, 1.8 billion years ago: scientists
The Gazette (Montreal)
By Randy Boswell, Canwest News Service December 4, 2009 4:03 PM Locator map showing the site of a meteorite hit near Sudbury about 1.85 billion years ago ...

Did life begin in Sudbury?
Canada.com Fri, 04 Dec 2009 13:27 PM PST
The mountain-sized meteorite that struck Sudbury nearly two billion years ago already known to have made the northern Ontario city a global mining mecca may have also triggered changes in Earth's ocean chemistry that allowed complex life to begin evolving on the planet, two U.S. government scientists have theorized. ...

Meteor/Meteorite News- Sudbury Impact Ended Creation of Banded Iron Formations 9NOV09

Sudbury Impact Ended Creation of Banded Iron Formations

There is a new paper published in the November 2009 issue of Geology
that argues that the Sudbury Impact in Canada ended the creation of
Banded Iron Formations during the Precambrian.

The paper is:

Slack, J. F. and W. F. Cannon, 2009, Extraterrestrial demise of banded
iron formations 1.85 billion years ago. Geology. vol. 37, no. 11, pp. 1011-1014,
doi:10.1130/G30259A.1

http://geology.gsapubs.org/content/37/11/1011.abstract

Previous Geological Society of America Meeting abstracts can be found at:
http://gsa.confex.com/gsa/2009AM/finalprogram/abstract_162145.htm

and http://gsa.confex.com/gsa/2008AM/finalprogram/abstract_146662.htm

Other web pages:

Banded iron formation
http://en.wikipedia.org/wiki/Banded_iron_formation

Banded Iron Formation
http://jersey.uoregon.edu/~mstrick/RogueComCollege/RCC_Lectures/Banded_Iron.html

Geologic evidence for major environmental change
http://tiny.cc/BandedIronClimate

http://academic.udayton.edu/MichaelSandy/Global%20warming%20powerpoints/Geologic%20evidence%20for%20global%20change.ppt

Source: Paul H., Baton Rouge, LA, USA