“地质中的稀罕事件(Rare Events In Geology)”第二次国际学术讨论会于1987年3月3—5日在北京召开。来自中国、瑞士、加拿大、美国、英国、奥地利、苏联、意大利、法国等国的著名地质学、古生学、地球化学、地球物理学专家、学者汇集一起,交流各自的最新研究成果,进一步探讨地质历史上曾发生过的稀罕灾变事件。 The second international symposium on “Rare Events In Geology” was held in Beijing from March 3-5, 1987. The famous geology, palaeontology, geochemistry, geophysics experts and scholars from China, Switzerland, Canada, the United States, Britain, Austria, the Soviet Union, Italy, France and other countries come together to exchange their latest research results and further explore Geological history has occurred in the rare catastrophic events.