[meteorite-list] The Sudbury impact layer in the Paleoproterozoic of northern Michigan, USA

[Paul]

Cannon, W. F., K. J. Schulz, J. Wright Horton, Jr., and
David A. Kring, 2009, The Sudbury impact layer in the 
Paleoproterozoic iron ranges of northern Michigan, USA.
Geological Society of America Bulletin. Ahead of Print, 
September 25, 2009

http://gsabulletin.gsapubs.org/content/early/2009/09/24/B26517.1.abstract

Pufahl, P. K., Eric E. Hiatt, Clifford R. Stanley, Jared 
R. Morrow, Gabriel J. Nelson, and Cole T. Edwards, 2009,
Physical and chemical evidence of the 1850 Ma Sudbury 
impact event in the Baraga Group, Michigan, Geology.
vol. 35, no. 9, pp. 827-830.

http://geology.geoscienceworld.org/cgi/content/abstract/35/9/827

http://www.uwosh.edu/faculty_staff/hiatt/Research/Early_ocean/Pufahl_Ejecta_9_07.pdf
http://www.uwosh.edu/faculty_staff/hiatt/Research/Early_oceans.html

Yours,

Paul H.