Institution: | 1.The Department of Geological Sciences,The University of Texas at Austin,Austin,USA;2.Department of Geology,Macalester College,Saint Paul,USA;3.Department of Earth and Planetary Science,University of California, Berkeley,Berkeley,USA;4.Scripps Institution of Oceanography,University of California San Diego,La Jolla,USA;5.The Department of Earth and Planetary Sciences,The University of New Mexico,Albuquerque,USA |