Global standard names for the Lowermost Cambrian Series and Stage

• 来源期刊: 幕-国际地学杂志（英文版）
• 年，卷（期）: 2007,（4）
• 页码范围: 287-289
• 页数: 3页
• 语种: 英文

摘要

The GSSP marking the base of the Cambrian System was ratified by the IUGS in 1992.Ratification of the GSSP point at the base of the Trichophycus pedum Ichnozone in the Fortune Head section,eastern Newfoundland,Canada,automatically defined the conterminant base of the lowermost series and stage of the Cambrian although names for those subdivisions were not proposed at the time of the decision.