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Supercontinent evolution:Preface

Supercontinent evolution:Preface
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摘要 The evolution of the earth is marked by development of more than 70% of the present day continents during Archean. The Archean - Proterozoic boundary is characterized by continental amalgamation, and subsequent breaking and development of worldwide glaciations. The Paleoproterozoic time is characterized by change in atmospheric oxygen and intense biogenic activity during the early part, and amal- gamation of the continents to form the supercontinent ＂Columbia＂, development of sulphidic ocean chemistry and disappearance of major BIF deposit formation towards the later part. The evolution of the earth is marked by development of more than 70% of the present day continents during Archean. The Archean - Proterozoic boundary is characterized by continental amalgamation, and subsequent breaking and development of worldwide glaciations. The Paleoproterozoic time is characterized by change in atmospheric oxygen and intense biogenic activity during the early part, and amal- gamation of the continents to form the supercontinent ＂Columbia＂, development of sulphidic ocean chemistry and disappearance of major BIF deposit formation towards the later part.
作者 S.Mohanty
机构地区 Department of Applied Geology
出处 《Geoscience Frontiers》 SCIE CAS CSCD 2013年第3期245-245,共1页 地学前缘（英文版）
关键词 Supercontinent evolution
分类号 P311.2 [天文地球—固体地球物理学]
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Geoscience Frontiers
2013年 第3期

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