The International Association for Mathematical Geology, in conjunc­ tion with the International Geological Congress, sponsored two symposia in Montreal, Canada, September 1972.  Meer

In looking back at the 1970's, the decade may prove to be a crucial one in the development of quantitative geology. After quantification had lain fallow and essen­ tially undeveloped for 120 years, introduction of the computer in the 1950's revived interest and fostered ad­ vances in the subject.  Meer