深反射大炮数据揭示北秦岭-渭河地堑-鄂尔多斯南部Moho格架

李洪强, 高锐, 王海燕, 李文辉, 卢占武, 侯贺晟, 熊小松. 深反射大炮数据揭示北秦岭-渭河地堑-鄂尔多斯南部Moho格架[J]. 地质科学, 2016, 51(1): 67-75. doi: 10.3969/j.issn.0563-5020.2016.01.007
引用本文: 李洪强, 高锐, 王海燕, 李文辉, 卢占武, 侯贺晟, 熊小松. 深反射大炮数据揭示北秦岭-渭河地堑-鄂尔多斯南部Moho格架[J]. 地质科学, 2016, 51(1): 67-75. doi: 10.3969/j.issn.0563-5020.2016.01.007
Li Hongqiang, Gao Rui, Wang Haiyan, Li Wenhui, Lu Zhanwu, Hou Hesheng, Xiong Xiaosong. Near vertical deep seismic reflection profile reveal the sketch of Qinling Mountains orogenic belt-Weihe garben-Ordos block's Moho by big charge shots[J]. Chinese Journal of Geology, 2016, 51(1): 67-75. doi: 10.3969/j.issn.0563-5020.2016.01.007
Citation: Li Hongqiang, Gao Rui, Wang Haiyan, Li Wenhui, Lu Zhanwu, Hou Hesheng, Xiong Xiaosong. Near vertical deep seismic reflection profile reveal the sketch of Qinling Mountains orogenic belt-Weihe garben-Ordos block's Moho by big charge shots[J]. Chinese Journal of Geology, 2016, 51(1): 67-75. doi: 10.3969/j.issn.0563-5020.2016.01.007

深反射大炮数据揭示北秦岭-渭河地堑-鄂尔多斯南部Moho格架

详细信息
    作者简介:

    李洪强,男,1984年1月生,博士,助理研究员,地球探测与信息技术专业。E-mail:hongqiangli@126.com

    通讯作者: 高锐,男,1950年5月生,研究员,地球物理学与地球动力学专业。本文通讯作者。E-mail:gaorui@cags.ac.cn
  • 中图分类号: P315;P542

Near vertical deep seismic reflection profile reveal the sketch of Qinling Mountains orogenic belt-Weihe garben-Ordos block's Moho by big charge shots

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    Corresponding author: Gao Rui
  • 根据深地震反射数据的反射特征对布置在北秦岭-渭河地堑-鄂尔多斯南部的10个大炮(药量 ≥ 500 kg)数据进行处理,获得了反映下地壳-莫霍面结构的单次覆盖剖面。初步解释结果显示:在北秦岭,莫霍面反射的双程走时约为13 s,自南向北缓慢抬升变浅,可能表示秦岭正在经历造山后的均衡演化过程;进入渭河地堑,莫霍面加深至15 s左右,可能表明新生代形成后的莫霍面受到了强烈的挤压作用,渭河地堑两侧的莫霍面呈不对称上隆;在鄂尔多斯地块南部,莫霍面反射为14 s左右,向北有逐渐抬升的趋势,但变化平缓, 130~140 km两侧的莫霍面具有显著的反射特征差异,可能代表了渭河地堑和鄂尔多斯地块南部的深部界限。
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出版历程
收稿日期:  2015-03-10
修回日期:  2015-10-26
刊出日期:  2016-01-25

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