Avalonia
- n. 阿瓦隆尼亚（地质学术语）：一个大约5亿年前的独立大陆，目前分布在英国西南部和北美东部。
Avalonia
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abstract:
Avalonia was a microcontinent in the Paleozoic era. Crustal fragments of this former microcontinent underlie south-west Great Britain, and the eastern coast of North America.
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