| 塔里木盆地西北缘野外溶蚀试验研究 |
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| 引用本文： | 唐健生,夏日元,邹胜章,梁彬.塔里木盆地西北缘野外溶蚀试验研究[J].中国岩溶,2004,23(3):234-237. |
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| 作者姓名： | 唐健生 夏日元 邹胜章 梁彬 |
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| 作者单位： | 中国地质科学院岩溶地质研究所,广西,桂林,541004 |
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| 摘 要： | 塔里木盆地西北缘的天山南麓地处暖温带大陆性干旱气候区,碳酸盐岩广为出露.采用灰岩和白云岩溶蚀试片进行了野外溶蚀试验,得出灰岩和白云岩的溶蚀速度达到0.281～0.404mm/ka;镜下鉴定,观察到溶蚀形成的微溶缝和溶孔,缝宽0.05～0.2mm,孔径一般0.1～0.25mm,反映了在大陆性干旱气候条件下,降水下渗溶滤对岩溶孔缝洞的形成起到重要作用.
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| 关 键 词： | 溶蚀试验 碳酸盐岩 溶蚀速度 塔里木盆地 |
| 文章编号： | 1001-4810(2004)03-0234-04 |
| 修稿时间： | 2004年3月24日 |
EXPERIMENTAL STUDY ON THE FIELD CORROSION ON THE NORTHWEST VERGE OF TARIM BASIN |
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| TANG Jian-sheng,XIA Ri-yuan,ZOU Sheng-zhang and LIANG Bin.EXPERIMENTAL STUDY ON THE FIELD CORROSION ON THE NORTHWEST VERGE OF TARIM BASIN[J].Carsologica Sinica,2004,23(3):234-237. |
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| Authors: | TANG Jian-sheng XIA Ri-yuan ZOU Sheng-zhang and LIANG Bin |
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| Institution: | Institute of Karst Geology,CAGS,Institute of Karst Geology,CAGS,Institute of Karst Geology,CAGS and Institute of Karst Geology,CAGS |
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| Abstract: | Carbonate rocks are widespread along South piedmont of Tianshan, northwest Tarim Basin, where is dry-warm temperate continental climate. It is proved by corrosion tests in field with slice that the corrosion rate of limestone and dolomite is 0.281~0.404 mm/ka there. Observed under microscope, fissures formed by corrosion is 0.05~0.2 mm wide and pores formed in the corrosion test is 0.1~0.25 mm in diameter, which shows the important role of infiltrated rainwater on the formation of fissures and pores under continental dry climate conditions. |
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| Keywords: | Corrosion test Carbonate rock Corrosion rate Tarim Basin |
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