| Growth history of hydrothermal chimneys at EPR 9―10°N: A structural and mineralogical study |
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| 作者姓名： | PENG Xiaotong & ZHOU Huaiyang Guangzhou Institute of Geochemistry Chinese Academy of Sciences Guangzhou China |
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| 作者单位： | PENG Xiaotong & ZHOU Huaiyang Guangzhou Institute of Geochemistry，Chinese Academy of Sciences，Guangzhou 510640，China |
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| 摘 要： | Hydrothermal chimneys with tubular shape were formed in the process of hydrothermal fluids eruption at sea-floor. Their structure and chemical composition are closely related to properties of hydrothermal fluid. There exist great geochemical gradient, thermal gra- dient and mineral assemblage gradient across 1―3- cm-thick wall of chimneys, which includes abundant information of hydrothermal fluid properties and for-mation temperature and also records the growth pro- cess and history of chimne…
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| 关 键 词： | EPR 9―10°N chimney sulfide hydrothermal fluid structure growth history. |
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