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首页> 外文期刊>Geothermics >Seismic exploration survey northeast of the Tres Virgenes Geothermal Field, Baja California Sur, Mexico: A new Geothermal prospect
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Seismic exploration survey northeast of the Tres Virgenes Geothermal Field, Baja California Sur, Mexico: A new Geothermal prospect

机译:墨西哥下加利福尼亚州Tres Virgenes地热田东北部的地震勘探调查:新的地热前景

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摘要

Geophysical prospecting has become essential to identify low enthalpy areas with geothermal potential, mainly, for direct uses. The present study uses two seismic techniques and lithological information from shallow boreholes located northeast of the Tres Virgenes Geothermal Field, B.C.S., Mexico, to identify geological structures of geothermal interesting. Using the Multichannel Analysis of Surface Waves method (MASW), it was possible to correlate the S-wave velocity model with the lithology from two wells drilled over the seismic profile. Additionally, we generated a seismic reflection model to describe the geological distribution of deeper structures. The reflection profile, which reached depths of about 500 m, was complemented with superficial information from a MASW velocity model. We found a relationship between the velocity distribution of P and S waves from both models. The integration of seismic and lithological information allows us to identify a very fractured subsurface and a deep zone with possible geothermal interest.
机译:物探在确定具有地热潜力的低焓区(主要用于直接使用)方面已变得至关重要。本研究使用两种地震技术和来自墨西哥不列颠哥伦比亚省Tres Virgenes地热田东北部浅孔的岩性信息来识别感兴趣的地热地质结构。使用表面波多通道分析方法(MASW),可以将S波速度模型与地震剖面上钻探的两口井的岩性相关联。此外,我们生成了地震反射模型来描述更深层结构的地质分布。反射剖面达到了约500 m的深度,并得到了来自MASW速度模型的表面信息的补充。我们从这两个模型中发现了P波和S波的速度分布之间的关系。地震和岩性信息的整合使我们能够识别出一个非常破裂的地下和一个可能涉及地热的深层区域。

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  • 来源
    《Geothermics》 |2020年第3期|101743.1-101743.12|共12页
  • 作者

  • 作者单位

    Ctr Invest Cient & Educ Super Ensenada Posgrad Ciencias Tierra Ensenada 22860 Baja California Mexico;

    Ctr Invest Cient & Educ Super Ensenada Ensenada 22860 Baja California Mexico;

    CONACYT Ctr Invest Cient & Educ Super Ensenada Ensenada 22860 Baja California Mexico;

    Univ Autonoma Ciudad Juarez Inst Ingn & Tecnol Ciudad Juarez 32310 Chihuahua Mexico;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Las Tres Virgenes volcanic complex; La Reforma caldera; Geothermal exploration; MASW; Seismic reflection;

    机译:三处女火山群;Reforma锅炉;地热勘探;MASW;地震反射;

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