MAKING CONTINENTAL-CRUST

被引：1164

作者：

RUDNICK, RL

机构：

[1] Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA, 02138

来源：

NATURE | 1995年 / 378卷 / 6557期

关键词：

D O I：

10.1038/378571a0

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The continental crust has an andesitic bulk composition, which cannot have been produced by the basaltic magmatism that dominates sites of present-day crustal growth-at both convergent margins and within plates. These observations suggest that there may have been a different mode of continental crust generation in Archaean times, and may point to delamination of the lower crust as an important recycling process.

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页码：571 / 578

页数：8

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