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首页> 外文会议>Geothermal Resources Council Annual Meeting >Structural Controls of Lee Hot Springs, Southern Churchill County, Western Nevada: A Small Pull-Apart in the Dextral Shear Zone of the Walker Lane
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Structural Controls of Lee Hot Springs, Southern Churchill County, Western Nevada: A Small Pull-Apart in the Dextral Shear Zone of the Walker Lane

机译：李温泉，南部丘吉尔县，内华达州李温泉的结构控制：在沃克巷的Dextral剪切区中的一个小拉链

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摘要

Allen Springs and Lee Hot Springs provide an opportunity to evaluate a geothermal reservoir model relative to structures of the Walker Lane. Allen Springs is a cool-temperature, natural seep, and Lee Hot Springs is a hot spring, emanating from a well drilled in the 1930s. These springs have been used for livestock water for much of the past century, and thermal applications have been explored periodically since the 1930s. Both springs are probably part of a single geothermal system with a reservoir temperature estimated at approx170 deg C. Detailed geologic mapping and geophysical investigations were used to investigate the structural controls of these springs. The study area is cut by multiple northeast-striking, southeast dipping normal faults that repeat Tertiary volcanic sequences. A series of northwest-striking dextral faults intersect these normal faults. Geologic and geophysical data suggest that these normal and dextral faults comprise a right step or small pull-apart, in a northwest-striking dextral shear zone of the Walker Lane. The geothermal reservoir is hosted in shallow basement rocks, and fluid flow is controlled by the northeast-striking normal faults with greatest documented displacement. The distribution of spring deposits along this normal fault indicate that fluid flow is also concentrated along intersections with the northwest-striking dextral faults.
机译：艾伦斯普林斯和李温泉提供了一个有机会评估相对于沃克通道的结构的地热储层模型。 Allen Springs是一种凉爽的温度，天然的渗透，李温泉是一个温泉，从20世纪30年代钻井起来。这些泉水已用于过去的大部分地区的牲畜水，自20世纪30年代以来，热应用已经定期探讨。两个弹簧可能都是单个地热系统的一部分，其储层温度估计在约170℃。使用详细的地质测绘和地球物理研究来研究这些弹簧的结构控制。研究区被多次东北尖刺，东南浸渍正常断层，重复第三次火山序列。一系列西北部触击的右侧故障与这些正常故障相交。地质和地球物理数据表明，这些正常和右侧断层包括右步或小的拉伸，在沃克通道的西北部醒目的射击射击区域中。地热水库载入浅基底岩石，流体流量由东北尖锐的正常断层控制，最大的记录位移。沿着这种正常故障的弹簧沉积物的分布表明，流体流也沿着与西北触发的射击断层集中。

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