磷矿专业会議于10月28—30日在北京召开。这次会議是在全国地层会議筹备委員会的主持規划下,由中国科学院地貭研究所和地貭部地貭科学研究院矿物原料研究所共同負责組織的。会議的第一天是与地层会議断代专題会議結合进行,第二、三两天专业会議单独召开。会上首先由地貭研究所侯德封所长致开幕詞,他分析了中国磷矿資源及磷矿地貭工作的 Phosphate mine professional conference was held in Beijing on October 28-30. This meeting was organized under the auspices of the Preparatory Committee of the National Stratigraphic Conference and jointly organized by the Institute of Geology and Mineral Resources, Chinese Academy of Sciences and the Institute of Mineral Raw Materials, Institute of Geology and Mineral Resources, Ministry of Science and Technology. The first day of the conference was combined with the monolithic meeting of the strata conference, and the second, third and two days of the specialized conference were held separately. At the meeting, Mr. Hou Defeng, director of the Institute of Earthquakes, first delivered an opening speech. He analyzed the work of phosphate rock resources and phosphate rock production in China