Essays about: "Western Gneiss Region"

Found 3 essays containing the words Western Gneiss Region.

  1. 1. Characterization of mineral parageneses and metamorphic textures in eclogite- to high-pressure granulite-facies marble at Allmenningen, Roan, western Norway

    University essay from Lunds universitet/Geologiska institutionen

    Author : Stylianos Karastergios; [2020]
    Keywords : Western Gneiss Region; Vestranden; Roan; Caledonides; marble; calc-silicate; metabasic; petrography; SEM-EDS; mineral chemistry; mineral equilibrium; P–T estimate; devolatilization; Earth and Environmental Sciences;

    Abstract : The Roan peninsula in western Norway, Vestranden, is known for exposing one of the deepest parts of the Scandinavian Caledonian orogen, similar to the Western Gneiss Region. Throughout the Roan area, eclogites and high-pressure granulite- and amphibolite-facies gneisses occur, associated with supracrustal rocks including marbles, calc-silicate rocks and amphibolites. READ MORE

  3. 2. Structural Reconnaissance Mapping of the Nasa Basement Window, Southern Norrbotten Caledonides

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Hugo Hedin Baastrup; [2018]
    Keywords : Caledonides; Belt; Window; Thrust; Shear; Basement; Nappe; Tectonic; Arjeplog; Nasa; Saltfjellet; Overprint;

    Abstract : Too few documentative descriptions exist from the reactivated Proterozoic Nasa Basement window in Sweden. This re-exposed crustal piece predominantly consisting of 1.8 Ga granite and volcanic basement rock lack structural evidences on maps. READ MORE

  4. 3. Pressure Temperature Conditions of the Otrøy Opmhacite-Garnet Gneiss, Western Gneiss Region, Skandinavian Caledonides

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Johanna Holmberg; [2015]
    Keywords : Western Gneiss Region; Otrøy; gneiss; ultrahigh-pressure metamorphism; Western Gneiss Region; Otrøy; gnejs; ultrahögtrycksmetamorfos;

    Abstract : Garnet-omphacite gneisses from the island of Otrøy situated in Western Gneiss Region (WGR), Norway, Scandinavian Caledonides, were examined within this study. The WGR is one of the planets most studied ultrahigh-pressure (UHP) terranes. The studied gneisses are hosts for UHP garnet peridotites and eclogites. READ MORE