The Sonora-Mohave Megashear Zone:a tectonic nursery evolving from epithermal and intrusion related mineralization to shear hosted mesothermal gold deposits.

索诺拉-莫哈维大剪切带：从浅成热液和侵入相关的矿化演化为剪切承载的中温金矿床的构造孕育地。

• 批准号: 486190-2015
• 负责人: Marshall, Daniel
• 金额: $ 1.82万
• 依托单位: Simon Fraser University
• 依托单位国家: 加拿大
• 项目类别: Engage Grants Program
• 财政年份: 2015
• 资助国家: 加拿大
• 起止时间: 2015-01-01 至 2016-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=585454
• 关键词: Sonora; Mohave; Megashear; Zone; tectonic

The Sonora-Mohave region is host to a number of mineral deposits ranging from gold and silver to base metal deposits. The region has a well established history of gold production starting as early as the seventeenth century. Geologically, the area comprises a variety of accreted and translated terranes, associated for the most part with subduction related tectonics along the southwestern margin of the North American Craton. These terranes have been stitched together and metamorphosed by subduction related igneous intrusions. This igneous activity was the source of heat and metals that resulted in the significant concentrations of high-grade ore-deposits in the region. This ENGAGE proposal forms what is envisioned to be an ongoing research collaboration with Riverside Resources. The proposal aims to investigate the geological relationship between three of the major ore-deposit types in the region: epithermal, intrusion-related, and shear-hosted gold deposits. It has been postulated that shear-hosted gold mineralization is the metamorphosed and tectonically altered and gold-enriched equivalent of epithermal and intrusion-related gold mineralization. Three shear-hosted gold properties associated the Sonora-Mohave Megashear, all within the Riverside Resources' portfolio, have been chosen as ideal candidates to look for geochemical and structural fingerprints of epithermal and intrusion-related mineralization. The three properties: Tajitos, Glor, and Clemente are separated by approximately 100 km, but occur along the same shear zone and associated splays. These deposits are ideal for this study as they are actively being explored by Riverside Resources. There is excellent road access and infrastructure to mount this study, and detailed understanding of the global-scale tectonics of the region. The major outcomes of this project will lead to better understand the nature of gold and silver enrichment in the Sonora-Mohave Megashear, resulting in better exploration models for Riverside Resources' currently held properties. It will also place them in an excellent position to acquire new properties and extend their holdings. The results will ultimately be publically available via the thesis of Dillon Hume and any resulting publications.

索诺拉-莫哈维地区拥有从金、银到贱金属等多种矿藏 存款该地区早在17世纪就开始生产黄金， 世纪。从地质学上讲，该地区包括各种增生和平移的火山岩， 部分与俯冲有关的构造沿着北美板块西南缘。这些 岩石被缝合在一起，并被俯冲相关的火成岩侵入体变质。这个火成岩 活动是热量和金属的来源，导致高品位物质的大量集中 该地区的矿床。这一参与提案构成了一项正在进行的研究 与滨江资源公司合作。该提案旨在调查地质关系， 该区域三种主要矿床类型：浅成热液型、与侵入有关的型和剪切容矿型金矿。 剪切带型金矿化是受变质和构造蚀变作用的产物， 浅成热液型和侵入型金矿化的金富集当量。三剪切型金 与索诺拉-莫哈维大教堂相关的所有物业都在滨江资源公司的投资组合中， 被选为理想的候选者，以寻找地球化学和结构指纹的低温和 与侵入有关的矿化这三个属性：Tajitos，Glor和Clemente被分隔为 大约100 km，但发生在沿着同一剪切带和相关的斜削带。这些存款是理想的， 这项研究，因为他们正在积极探索的滨江资源。有良好的道路通道， 进行这项研究的基础设施，以及对该地区全球规模构造的详细了解。 该项目的主要成果将使人们更好地了解金和银富集的性质。 Sonora-Mohave Megashear，为滨江资源公司目前持有的 特性.这也将使他们处于一个很好的位置，以获得新的财产和扩大其控股。 研究结果最终将通过狄龙·休谟的论文和任何由此产生的出版物提供。