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构造作用对四川盆地东部垫江盐盆三叠系嘉陵江组海相钾盐成矿—保存条件的影响

张雄 朱正杰 魏玉燕 赵艳军 张宇

张雄, 朱正杰, 魏玉燕, 等, 2019. 构造作用对四川盆地东部垫江盐盆三叠系嘉陵江组海相钾盐成矿—保存条件的影响. 地质力学学报, 25 (S1): 72-77. DOI: 10.12090/j.issn.1006-6616.2019.25.S1.013
引用本文: 张雄, 朱正杰, 魏玉燕, 等, 2019. 构造作用对四川盆地东部垫江盐盆三叠系嘉陵江组海相钾盐成矿—保存条件的影响. 地质力学学报, 25 (S1): 72-77. DOI: 10.12090/j.issn.1006-6616.2019.25.S1.013
ZHANG Xiong, ZHU Zhengjie, WEI Yuyan, et al., 2019. RESEARCH ON THE EFFECT OF TECTONISM ON THE FORM AND PRESERVATION OF MARINE POTASH IN TRIASSIC JIALINGJIANG FORMATION IN DIANJIANG SALT BASIN, EASTERN SICHUAN BASIN. Journal of Geomechanics, 25 (S1): 72-77. DOI: 10.12090/j.issn.1006-6616.2019.25.S1.013
Citation: ZHANG Xiong, ZHU Zhengjie, WEI Yuyan, et al., 2019. RESEARCH ON THE EFFECT OF TECTONISM ON THE FORM AND PRESERVATION OF MARINE POTASH IN TRIASSIC JIALINGJIANG FORMATION IN DIANJIANG SALT BASIN, EASTERN SICHUAN BASIN. Journal of Geomechanics, 25 (S1): 72-77. DOI: 10.12090/j.issn.1006-6616.2019.25.S1.013

构造作用对四川盆地东部垫江盐盆三叠系嘉陵江组海相钾盐成矿—保存条件的影响

doi: 10.12090/j.issn.1006-6616.2019.25.S1.013
基金项目: 

重庆市国土资源和房屋管理局科技项目 CQGT-KJ-2017010

重庆市科基础科学与前沿技术研究项目 cstc2017jcyjAX0364

详细信息
    作者简介:

    张雄(1990-), 男, 硕士, 工程师, 研究方向构造地质与矿产地质研究。E-mail:zhangxiong305@163.com

    通讯作者:

    朱正杰(1983-)男, 博士, 正高级工程师, 研究方向矿床地球化学。E-mail:zhuzhjie@163.com

  • 中图分类号: P619.211

RESEARCH ON THE EFFECT OF TECTONISM ON THE FORM AND PRESERVATION OF MARINE POTASH IN TRIASSIC JIALINGJIANG FORMATION IN DIANJIANG SALT BASIN, EASTERN SICHUAN BASIN

  • 摘要: 通过分析四川盆地东部垫江盐盆三叠纪嘉陵江成盐期构造演化及后期构造作用,结合大地电磁测深和地震资料解译等综合分析初步认为垫江盐盆三叠纪嘉陵江期,在整体海退的条件下,由于泸州—开江古隆起的逐步形成,在长寿合兴地区和垫江董家场地区形成有利于古卤水浓缩的次级凹陷。早白垩世末期川东褶皱带的形成虽然对三叠系含盐地层进行了改造,但次级凹陷位于向斜核部和褶皱倾末端,未受到风化剥蚀。同时,大地电磁测深和地震资料显示深部没有断裂构造穿过次级凹陷区域,初步证明具有较好的保存条件。

     

  • 图  1  垫江盐盆地区地质简图

    Figure  1.  Simplified geological map of the Dianjiang depression

    图  2  四川盆地东部嘉陵江组四段二亚段古构造图[16]

    Figure  2.  Palaeotectonic map of T1j4-2 in eastern Sichuan Basin[16]

    图  3  垫江盐盆北部MT推断解释图

    Figure  3.  MT interpretation map of northern Dianjiang Salt Basin

    图  4  垫江盐盆嘉陵江组四段顶界地震反射构造平面图

    Figure  4.  Plan of seismic reflection structure at the top of the fourth section of Jialingjiang formation in the Dianjiang Salt Basin

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  • 刊出日期:  2019-05-01

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