Episodes was the brainchild of former IUGS Secretary General (later President) W. W. Hutchison of Canada, who saw clearly the need for the Union to communicate effectively and regularly with its commissions and affiliated organizations and with members of the international community of earth scientists. The journal had two progenitors. After IUGS was founded in 1961, its initial outreach medium was the Circular Letter. This was replaced later in the decade by the Geological Newsletter, which in turn was supplanted by Episodes in 1978. The present journal will, therefore, shortly come of age. During its formative years, it has found an editorial home in four countries, successively with the national geological surveys of Canada, the United States, and the United Kingdom, and now with the Ministry of Geology and Mineral Resources of China.
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机译：这集是加拿大IUGS前秘书长（后来的总统）W. W. Hutchison的心血结晶，他清楚地看到了国际电联与其委员会和附属组织以及地球科学家国际社会成员进行有效和定期交流的必要性。该杂志有两个祖先。 IUGS于1961年成立后，其最初的宣传手段是通函。十年后，《地质新闻》取代了《地质新闻》，1978年又由《情节》取代了《地质新闻》。因此，本期刊很快就会走向成熟。在其发展初期，它先后在加拿大，美国和英国进行了国家地质调查，随后又在中国地质矿产部的四个国家中找到了编辑处。
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