Melt inclusions in migmatites and granulites [PDF]
Journal of the Virtual Explorer, 2011 Important advances have been made during the last 15 years in the study of melt inclusions in minerals from migmatites and granulites. Pioneer work on high temperature metapelitic anatectic enclaves in peraluminous dacites from SE Spain has shown that droplets of granitic melt can be trapped by minerals growing during incongruent melting reactions, and
CESARE, BERNARDO +3 more
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Structural development of migmatites near Skåldö, southwest Finland [PDF]
Bulletin of the Geological Society of Finland, 1976 The migmatites of the Skåldö area show the effects of an extensive polyphase deformational history at relatively deep crustal levels during the Svecokarelian episode. Despite the complexity of the fold patterns it is possible to establish a deformational
A.M. Hopgood, D.R. Bowes, J. Addison
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Relationship between deformation structure and partial melting in pelitic migmatites of Hamaden region, Sanandaj-Sirjan Zone [PDF]
پترولوژیThe present paper describes some field characteristics of deformation in a high-strain and high temperature zone in migmatitic rocks, with several kilometers wide occurring in Hamedan and Toyserkan regions, NW of the Sanandaj- Sirjan Zone.
Seyedeh Razieh Jafari, Leyli Izadi Kian
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The Petrogenesis of Kyanite Migmatites in Eastern Bhutan [PDF]
, 2021 Understanding orogenic processes is crucial for evaluating tectonic models of mountain belts such as the Himalaya. The channel flow model predicts that the Himalayan metamorphic core is exhumed by the buoyant flow of melt-bearing rocks in the mid-crust ...
Phillips, Stacy
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The age and origin of the Vaasa migmatite complex revisited [PDF]
Bulletin of the Geological Society of Finland, 2014 The origin of the Vaasa migmatite complex was studied by using whole-rock Sm-Nd and zircon Lu-Hf and U-Pb data in conjunction with whole-rock major and trace element geochemistry.
E. Suikkanen +3 more
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Petrology, geochemistry, and geochronology of the leucogranites in southernmost Finland [PDF]
Bulletin of the Geological Society of FinlandIn the southernmost part of the Svecofennian province in Finland, leucogranites and migmatites stemming from both igneous and sedimentary protoliths reflect the complex magmatic history of the Svecofennian orogeny between 1.89 and 1.82 Ga.
Anna Saukko +4 more
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Tectono-metamorphic evolution and timing of the melting processes in the Svecofennian Tonalite-Trondhjemite Migmatite Belt: An example from Luopioinen, Tampere area, southern Finland [PDF]
Bulletin of the Geological Society of Finland, 1999 The Svecofennian Orogen is in southern Finland characterized by two major migmatite belts. These are the so-called Granite Migmatite Belt, in which Kfs-rich leucosomes predominate, and the Tonalite-Trondhjemite Migmatite Belt, which is characterized by ...
H. Mouri, K. Korsman, H. Huhma
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Formation mechanism of the Vaasa Batholith in the Fennoscandian shield: Petrographic and geochemical constraints [PDF]
Bulletin of the Geological Society of Finland, 2012 The ~1.88 Ga Vaasa Batholith in western Finland is a large granitoid area (8 000 km2) with gradational contacts against the garnet- and cordierite-bearing diatexite and metatexite migmatites of the Pohjanmaa Belt.
H. Mäkitie +4 more
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Intracratonic Palaeoproterozoic granitoids in northern Finland: Prolonged and episodic crustal melting events revealed by Nd isotopes and U-Pb ages on zircon [PDF]
Bulletin of the Geological Society of Finland, 2007 Zircons from twelve Palaeoproterozoic granitoids from the Central Lapland Granitoid Complex (CLGC) and from the Hetta Complex (HC) in northern Finland were dated using the NORDSIM ion microprobe.
N. Ahtonen, P. Hölttä, H. Huhma
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Journal of the Geological Survey of Brazil, 2021 In the Santander Massif of the Eastern Cordillera of Colombia, intense Pliocene to Holocene sulfide-rich gold mineralization occurs in a six kilometers long section of the La Baja fault zone, where it crosses partially migmatized gneisses and intrusions ...
Wilson Scarpelli
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