第三届国际物化探十年年会(即勘探’87)于1987年9月27日至10月1日在加拿大多伦多城举行。这是国际物化探界的一次盛会,由加拿大地球科学协会发起和组织。来自世界76个国家约1000名代表参加了这次会议。包括20名中国代表,其中,核工业部代表团由北 The Third International Geophysical and Geochemical Exploration Annual Meeting (ie, Exploration ’87) was held in Toronto, Canada, from September 27, 1987 to October 1, 1987. This is a grand event for the international physical and chemical exploration community, initiated and organized by the Canadian Geoscience Association. About 1,000 representatives from 76 countries in the world participated in the conference. Including 20 Chinese delegates, among them, the delegation from the Ministry of Nuclear Industry from North