目前,在国际地层委员会之下的定量地层委员会已基本筹备就绪。召集人是加拿大的F.M.Gradstein博士。委员会的18个投票委员人选也基本确定,其中加拿大二人、中国二人、英国二人、荷兰一人、印度二人、瑞典一人、瑞士二人、美国四人、苏联二人。不久将选举主席和秘书。 定量地层学是用数学(统计的和非统计的)手段,研究探讨地层问题,包括了对生物地 At present, the quantitative formation committee under the International Stratigraphy Commission has basically been prepared. The Convener is Dr. F. M. Gradstein of Canada. The 18 voting members of the committee are also basically selected. Among them, two are Canada, two are China, two are Britain, one is Netherlands, two are India, one is Sweden, two are Switzerland, four are from the United States, and two are from the Soviet Union. The chairman and secretary will be elected shortly. Quantitative stratigraphy is the use of mathematical (statistical and non-statistical) means to study the issue of stratigraphy, including the biological