194 by Luis Felipe Mazadiego Martínez* and Octavio Puche Riart* English translation by John Stevenson** The 20th International Geological Congress, Mexico (1956) *Escuela Técnica Superior de Ingenieros de Minas. Universidad Politécnica de Madrid. Email:
[email protected];
[email protected] ** The University of New South Wales The 20th International Geological Congress (IGC), In an agreement signed on the 29 September, 1953, the fifty-sixth held in Mexico in 1956, took place at a crucial time as President of Mexico, Adolfo Ruiz Cortines (1890–1973), appointed the Organizing Committee for the XX Congress (IGC), made up of the demand for raw materials increased significantly politicians and technicians. The Committee was headed by the lawyer after the Second World War. The search for mineral and economist Gilberto Loyo (1901–1973), Secretary for the Economy. resources provided a stimulus for the development of Members of the Committee were the diplomat Luis Padilla Nervo geology and its applied branches, geophysics, (1894–1985), Foreign Secretary, José Ángel Ceniceros (1900–1979), geochemistry, etc. Also, the foundations were being laid Doctor of Laws, Secretary for Public Education between 1952 and 1958, the entrepreneur and politician Antonio Jáquez Bermúdez, for a new global geological model, plate tectonics, which General Manager of PEMEX from 1946 to 1958, and the engineer burst onto the scene in the sixties. The Congress had Nabor Carrillo Flores (1911–1967), Vice Chancellor of the National the largest attendance up to that time. Many of its Autonomous University of Mexico (UNAM). The first secretary was sessions focused on prospecting for mineral deposits Jorge L.