| 四川盆地二迭系中的白云岩化 |
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| 引用本文： | 张荫本. 四川盆地二迭系中的白云岩化[J]. 石油学报, 1982, 3(1): 29-33. DOI: 10.7623/syxb198201005 |
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| 作者姓名： | 张荫本 |
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| 作者单位： | 四川石油勘探开发研究院 |
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| 摘 要： | 四川盆地二迭系是一个气候温暖、潮湿、生物极端繁盛的浅水碳酸岩台地。其中的白云化有三种成因:一是沿缝孔交代的粗大的白云石;二是沿缝合线交代的小菱面体的白云石;三是咸淡水混合成因的粗大的白云石,前两种数量不多,后一种却形成了大规模的云岩体,其控制因素是生物滩或生物礁等古代碳酸岩高地。
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| 收稿时间： | 1980-09-02 |
DOLOMITIZATION IN PERMIAN ROCKS IN SICHUAN BASIN |
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| Zhang Yinben. DOLOMITIZATION IN PERMIAN ROCKS IN SICHUAN BASIN[J]. Acta Petrolei Sinica, 1982, 3(1): 29-33. DOI: 10.7623/syxb198201005 |
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| Authors: | Zhang Yinben |
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| Affiliation: | Research Intitute for Exploution and Developmet, Sichuan Petroleum Administration |
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| Abstract: | The Permian System in Sichuan basin is composed of shallow water carbonate rocks deposited on a platform in a warm and humid climate with very flourishing biota.Dolomitization occurred under the following circumstances:(1)replcement by large coarse-grained dolomites along the fractures and pores;(2)replacement by small rhombohedral dolomites along the suture lines and(3)replacement by large coarse-grained dolomites of fresh-saline water origin.The last mentioned dolomites predominate the other two,with the ancient carbonate rock upland of biolith origin in neighboring provinces playing the controlling role. |
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