由地球化学家勘探协会发起的第五届国际地球化学勘探讨论会将于1974年4月1日—4日在加拿大温哥华市召开。 会议程序包括技术会议及参观不列颠哥伦比亚省南部的矿山工程。 论文涉及内容包括勘探地球化学各个方面的问题,但对论述下列领域的稿件表示特别欢迎:(1) The 5th International Symposium on Geochemical Exploration, sponsored by the Geochemical Prospecting Association, will be held in Vancouver, Canada, from April 1-4, 1974. The conference program includes a technical conference and a visit to a mining project in southern British Columbia. The essay deals with various aspects of exploration geochemistry, but welcomes the discussion of manuscripts in the following areas: (1)