A sub-stage of the Lewisian, from about 2600 to 2300 Ma ago, characterized by Scourian dykes and gneiss formation, and named after Scourie, north-west Scotland. See also inverian.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。