非常抱歉，
你要访问的页面不存在，
非常抱歉，
你要访问的页面不存在，
非常抱歉，
你要访问的页面不存在，
验证码：
职称:Professor
所属学校:University of California-Santa Barbara
所属院系: Earth Science Department
所属专业:Geology/Earth Science, General
联系方式:805-893-3830
My research interests center on understanding the early history of life on Earth. The major focus is on the fossil record during the Archean and Proterozoic, specifically on microbial fossils and stromatolites.
1986-present Professor, Department of Earth Science University of California, Santa Barbara 1981-1986 Associate Professor, Department of Geological Sciences University of California, Santa Barbara 1975-1981 Assistant Professor, Department of Geological Sciences University of California, Santa Barbara 1974-1975 Lecturer, Department of Geological Sciences University of California, Santa Barbara 1973-1974 Research Fellow in Biology Harvard University
