| Evidence for warmer event from quartz grains in the soil of Grove Mountains, East Antarctica |
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| 作者姓名： | 闫欣 李潇丽 刘小汉 张汝藩 |
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| 作者单位： | State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences,Beijing 100029, China |
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| 摘 要： | The cold desert soll has been discovered at first time in southern ridge of Mount Harding, Grove Mountains of interior East Antarctica Ice Sheet. Based on the micro structural observation, dominant characteristics of quartz grains include： distinct surface stria and fractures, and clean features of frost action at both of crystal margins and micro crannies of quartz grains. These features show a pedogenesis environment of few water, short transportation and frost action, revealing a warmer climatic event existed in this re, on.
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| 关 键 词： | 温热装置 石英 土壤 南极洲 气候条件 |
| 收稿时间： | 2005-04-15 |
Evidence for warmer event from quartz grains in the soil of Grove Mountains, East Antarctica |
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| Yan Xin, Li Xiaoli, Liu Xiaohan,Zhang Ru-fan.Evidence for warmer event from quartz grains in the soil of Grove Mountains, East Antarctica[J].Chinese Journal of Polar Science,2005,16(1):55-58. |
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| Authors: | Yan Xin Li Xiaoli Liu Xiaohan Zhang Ru-fan |
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| Abstract: | The cold desert soil has been discovered at first time in southern ridge of Mount Harding,Grove Mountains of interior East Antarctica Ice Sheet.Based on the micro structural observation,dominant characteristics of quartz grains include:dis- tinct surface stria and fractures,and clean features of frost action at both of crystal margins and micro crannies of quartz grains.These features show a pedogenesis envi- ronment of few water,short transportation and frost action,revealing a warmer climat- ic event existed in this region. |
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| Keywords: | Grove Mountains soil quartz |
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