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Fabric And Microstructural Analysis Of The Loch Borralan Pluton, Northwest Highlands, Scotland, Justin Calhoun

Theses and Dissertations

The Loch Borralan pluton was emplaced within the Assynt Region of the Moine Thrust zone during the Scandian event (ca. 435-425 Ma) of the Caledonian Orogeny (478-425 Ma). It consists of two major magma suites, the syenitic early suite (431.1 ± 1.2 Ma), and the quartz syenitic later suite (429.2 ± 0.5 Ma). The region is characterized by a series of in-sequence thrust faults that strike NE-SW and dip approximately 20± to the SE, including (from lower to upper): the Sole Thrust, the Borralan Thrust (hypothesized, but not exposed), the Ben More Thrust, and the Moine Thrust. A series of …