Top Downloaded Articles This Week: Geochemistry, Geophysics, Geosystems http://www.agu.org/contents/journals/ViewPublishedToday.do en-us AGU http://blogs.law.harvard.edu/tech/rss webmaster@agu.org Magnetic and seismic reflection study of Lake Cheko, a possible impact crater for the 1908 Tunguska Event http://dx.doi.org/10.1029/2012GC004054 L. Gasperini, L. Cocchi, C. Stanghellini, G. Stanghellini, F. Del Bianco, M. Serrazanetti and C. Carmisciano Geochemistry Geophysics Geosystems 13 Factors controlling the mode of rift interaction in brittle-ductile coupled systems: A 3D numerical study http://dx.doi.org/10.1029/2012GC004077 Vaneeda Allken, Ritske S. Huismans and Cedric Thieulot Geochemistry Geophysics Geosystems 13 High-precision isotopic characterization of USGS reference materials by TIMS and MC-ICP-MS http://dx.doi.org/10.1029/2006GC001283 Dominique Weis, Bruno Kieffer, Claude Maerschalk, Jane Barling, Jeroen de Jong, Gwen A. Williams, Diane Hanano, Wilma Pretorius, Nadine Mattielli, James S. Scoates, Arnaud Goolaerts, Richard M. Friedman and J. Brian Mahoney Geochemistry Geophysics Geosystems 7 A detailed paleomagnetic record between 2.1 and 2.75 Ma at IODP Site U1314 in the North Atlantic: Geomagnetic excursions and the Gauss-Matuyama transition http://dx.doi.org/10.1029/2012GC004080 Masao Ohno, Tatsuya Hayashi, Fumiki Komatsu, Fumi Murakami, Meng Zhao, Yohan Guyodo, Gary Acton, Helen F. Evans and Toshiya Kanamatsu Geochemistry Geophysics Geosystems 13 Effects of sampling and mineral separation on accuracy of detrital zircon studies http://dx.doi.org/10.1029/2012GC004106 Jiří Sláma and Jan Košler Geochemistry Geophysics Geosystems 13