Results 51 to 60 of about 75 (67)
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Geological Journal, 1995
AbstractThe island of Yell in the north of Shetland is largely formed of rocks which have been correlated with the Glenfinnan/ Loch Eil Division of the Moine in mainland Scotland. The rocks forming Yell are dominantly granoblastic to schistose quartzo‐feldspathic psammitic rocks of greywacke composition. Over about a third of Yell these rocks have been
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AbstractThe island of Yell in the north of Shetland is largely formed of rocks which have been correlated with the Glenfinnan/ Loch Eil Division of the Moine in mainland Scotland. The rocks forming Yell are dominantly granoblastic to schistose quartzo‐feldspathic psammitic rocks of greywacke composition. Over about a third of Yell these rocks have been
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Journal of Asian Earth Sciences, 2017
Abstract Integration of the published experimental data of partially melted amphibolite, orthogneiss, granite and aplite reveals the existence of three rapid strength drops of the rock-assemblage at melt fraction around 7%, 21% and 41% respectively. The first and the last drops are equivalent to the well-known ‘melt connectivity transition’ (MCT) and
Zhen Chen +3 more
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Abstract Integration of the published experimental data of partially melted amphibolite, orthogneiss, granite and aplite reveals the existence of three rapid strength drops of the rock-assemblage at melt fraction around 7%, 21% and 41% respectively. The first and the last drops are equivalent to the well-known ‘melt connectivity transition’ (MCT) and
Zhen Chen +3 more
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Source characteristics of Late Neoarchean diatexite in the Yishan area, western Shandong
Acta Petrologica Sinica, 2022LI Yuan +4 more
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Chemical Geology, 2002
Abstract We used detailed investigations of zircon morphology and internal structures for the interpretation of zircon age data of diatexite migmatites. The fine- and medium-grained varieties of Cadomian granodiorites from Lusatia and the Erzgebirge are interpreted on the base of their geological, geochemical and isotope characteristics as well as ...
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Abstract We used detailed investigations of zircon morphology and internal structures for the interpretation of zircon age data of diatexite migmatites. The fine- and medium-grained varieties of Cadomian granodiorites from Lusatia and the Erzgebirge are interpreted on the base of their geological, geochemical and isotope characteristics as well as ...
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Contributions to Mineralogy and Petrology, 2011
Monazite in melt-producing, poly-metamorphic terranes can grow, dissolve or reprecipitate at different stages during orogenic evolution particularly in hot, slowly cooling orogens such as the Svecofennian. Owing to the high heat flow in such orogens, small variations in pressure, temperature or deformation intensity may promote a mineral reaction ...
Karin Högdahl +5 more
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Monazite in melt-producing, poly-metamorphic terranes can grow, dissolve or reprecipitate at different stages during orogenic evolution particularly in hot, slowly cooling orogens such as the Svecofennian. Owing to the high heat flow in such orogens, small variations in pressure, temperature or deformation intensity may promote a mineral reaction ...
Karin Högdahl +5 more
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Canadian Journal of Earth Sciences
Ultra-high-pressure (UHP) metamorphic rocks in the Western Gneiss Region (WGR) of Norway formed in subducted Baltican crust during the Scandian phase of the Caledonian orogeny. In the Nordøyane UHP domain, eclogites locally preserve coesite and microdiamond.
R.A. Jamieson, L. Hilchie, B. Myrer
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Ultra-high-pressure (UHP) metamorphic rocks in the Western Gneiss Region (WGR) of Norway formed in subducted Baltican crust during the Scandian phase of the Caledonian orogeny. In the Nordøyane UHP domain, eclogites locally preserve coesite and microdiamond.
R.A. Jamieson, L. Hilchie, B. Myrer
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Geological Society of America Abstracts with Programs, 2022
Cody Crist, Gary S. Solar
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Cody Crist, Gary S. Solar
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The Pedregal granite: mineralogical and geochemical peculiarities of a diatexite (NW Portugal).
2013Ferreira, Joana +2 more
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