Sudbury Impact Ended Creation of Banded Iron Formations
There is a new paper published in the November 2009 issue of Geologythat 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
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