Petrologic and Structural Analysis of the Tantato Domain, Saskatchewan: Implications for the Evolution of the North American Craton

雪鸟带是一条从落基山脉到哈德逊海峡横跨北美的主要构造断裂，它标志着雷古省和赫恩古省之间的边界，可能代表了这些古省（微大陆？）连接的缝合线。该项目是与加拿大地质调查局合作研究项目的一部分。它将重点研究萨斯喀彻温省东北部雪鸟变形带的最佳暴露部分之一——tantato域的变质和构造历史。该地区糜棱岩的研究结果将有助于约束雪鸟带形成过程中的相对运动和压力-温度条件，从而有助于了解其在北美太古代发育中的意义。

The Snowbird zone is a major structural break crossing North America from the Rocky Mountains to Hudson Strait, it marks the boundary between the Rae and Hearne Archean provinces and may represent the suture along which these ancient provinces (micro- continents?) were attached. This project is part of a collaborative research program with the Geological Survey of Canada. It will focus on the metamorphic and structural history of the tantato domain, one of the best exposed parts of the Snowbird deformation zone, in northeastern Saskatchewan. Results from the study of mylonites in the domain should help constrain the relative motions and pressure-temperature conditions during the deformation that produced the Snowbird zone, and therefore help understand its significance in the Archean development of North America.