喀左盆地下白垩统九佛堂组油页岩特征及控矿条件

喀左盆地下白垩统九佛堂组油页岩特征及控矿条件

王宇林¹，郭强¹，肖乾华²，王威¹，杨春³，魏恒飞¹，刘锦¹

1. 辽宁工程技术大学资源与环境工程学院，辽宁阜新 123000;2. 辽河石油勘探局能源勘探开发事业部，辽宁盘锦 124011;3. 浙江大学地球科学系，杭州 310027

收稿日期:2008-10-06 修回日期:1900-01-01 出版日期:2009-03-26 发布日期:2009-03-26
通讯作者: 王宇林

Characteristic and Ore-Controlling Condition of Oil Shale of Jiufotang Formation of Lower Cretaceous in Kazuo Basin

WANG Yu-lin¹, GUO Qiang¹, XIAO Qian-hua², WANG Wei¹,YANG Chun³, WEI Heng-fei¹, LIU Jin¹

1.Resource and Environment Engineering College, Liaoning Technical University, Fuxin，Liaoning 123000, China;2. Resource Exploration and Development Division, Liaohe Petroleum Exploration Bureau, Panjin，Liaoning 124011, China;3. Department of Earth Sciences, Zhejiang University, Hangzhou 310027, China

Received:2008-10-06 Revised:1900-01-01 Online:2009-03-26 Published:2009-03-26
Contact: WANG Yu-lin

摘要/Abstract

摘要： 野外地质调查和岩石学、地球化学研究表明：喀左盆地3个油页岩层群分别发育于下白垩统九佛堂组的一、二、三段，以位于三段的第三油页岩层群的工业意义最大；油页岩常与上覆沉凝灰岩或其它凝灰质岩石呈伴生关系。油页岩（矿石）类型有泥岩、具粉砂质条带的含钙-钙质泥岩、泥灰岩和页岩4种类型，以前两者为主；低品级油页岩体积分数为50％，中品级油页岩体积分数为42％，高品级油页岩体积分数为8％，均属高灰分油页岩。油页岩的有机质类型为腐植-腐泥型，源于低等植物；浅湖-半深湖形成的油页岩（矿石）类型为含粉砂质条带的含钙-钙质泥岩，深湖形成的油页岩（矿石）类型主要为泥岩；物源区母岩类型对油页岩的化学成分特征及灰分成分类型具有明显的控制关系；火山喷发的灾变事件终止了油页岩的成矿作用。

关键词: 喀左盆地, 九佛堂组, 油页岩, 控矿条件, 沉积环境, 火山事件

Abstract: Field geological investigation, petrology and geochemistry study showed that three oil shale groups in Kazuo basin were developed in Member 1,2,3 of the Jiufotang Formation of Lower Cretaceous, the third oil shale group located in 3rd member have the greatest industrial significance. Oil shale always has the accompanying relationship with overlying sedimentary tuff or other tuffaceous strata.The oil shale(ore) of this area have four types, including mudstone, calcareous mudstone containing silty band, marlite and shale, and the former two are main types. The recoverable oil shale composed of 50% low-grade, 42% middle-grade and 8% highgrade oil shale. All of them are high-ash oil shale. Based on this, the authors discussed that the organic matter type of oil shale is humic-sapropel, and originated from the lower plants. The type of oil shale (ore) which formed in shallow-semi-deep lake environment is calcareous mudstone, and that in deep lake is mudstone. Mother rock types of provenance controlled the characteristics of chemical composition and types of ash component of oil shale. The volcanic eruption of the catastrophic event terminated the mineralization of the oil shale.

Key words: Kazuo basin, Jiufotang Formation, oil shale, ore-controlling condition, sedimentary environment, volcanic event

中图分类号:

P618.12

王宇林，郭强，肖乾华，王威，杨春，魏恒飞，刘锦. 喀左盆地下白垩统九佛堂组油页岩特征及控矿条件[J]. J4, 2009, 39(2): 211-0216.

WANG Yu-lin, GUO Qiang, XIAO Qian-hua, WANG Wei,YANG Chun, WEI Heng-fei, LIU Jin. Characteristic and Ore-Controlling Condition of Oil Shale of Jiufotang Formation of Lower Cretaceous in Kazuo Basin[J]. J4, 2009, 39(2): 211-0216.

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