Results 151 to 160 of about 6,150 (210)
Diversity of Volatile Emissions From Cork Oak: Quantity and Quality Vary Independently Across Its Range. [PDF]
Ecol EvolStaudt M, Rivet C, Erdogan M.
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When crust comes of age: on the chemical evolution of Archaean, felsic continental crust by crustal drip tectonics. [PDF]
Philos Trans A Math Phys Eng Sci, 2018 Nebel O +6 more
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Formation of low-pressure reaction textures during near-isothermal exhumation of hot orogenic crust (Bohemian Massif, Austria). [PDF]
J Metamorph GeolSorger D +5 more
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Geology, 2002
Many gneiss domes record positive feedback between decompression and partial melting of orogenic middle crust. Exhumed orogens are riddled with gneiss domes cored by migmatites that underwent dehydration melting during decompression. The decreasing buoyancy associated with increasing melt fraction drives further decompression at near-isothermal ...
Christian Teyssier, Donna L. Whitney
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Many gneiss domes record positive feedback between decompression and partial melting of orogenic middle crust. Exhumed orogens are riddled with gneiss domes cored by migmatites that underwent dehydration melting during decompression. The decreasing buoyancy associated with increasing melt fraction drives further decompression at near-isothermal ...
Christian Teyssier, Donna L. Whitney
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On the development of gneiss domes
Australian Journal of Earth Sciences, 2005The New England Appalachians contain some of the first documented gneiss domes. The classic domes of southeast Vermont are typical of these structures in that they appear to have formed by doming of both the gneissosity in basement gneisses and the dominant matrix schistosity in the overlying rocks, after these foliations had formed. However, the three
Bell, T.H. +3 more
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Hydration, melt production and rheological weakening within an intracontinental gneiss dome
Lithos, 2022Refereed/Peer-reviewed The Entia Gneiss Complex (EGC) in central Australia represents a deeply exhumed Paleoproterozoic basement terrane that underwent fluid-catalysed transformation culminating in the formation of a migmatitic gneiss dome during the 450–300 Ma intracontinental Alice Springs Orogeny (ASO).
Varga, J. +4 more
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Actively rising surficial gneiss domes in Papua New Guinea
Journal of the Geological Society of Australia, 1980Abstract Surficial gneiss domes are previously undescribed landforms two to three thousand metres high and tens of kilometres across, consisting of gneiss; they have the form of a dissected dome. On geomorphic grounds it is unlikely that the domes could be formed by differential erosion, so it is proposed that they emerged at the ground surface by ...
C. D. Ollier, C. F. Pain
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The mantled gneiss domes of Kuopio (Finland): Interfering diapirs
Tectonophysics, 1981Abstract Finite strain data from the Kuopio mantled gneiss domes are described. Synclines located between two domes have flattening-type strains while those situated between more than two domes exhibit constrictional strains. Cleavage trajectory patterns show that cleavage tends to parallel the dome boundaries and encloses characteristic points ...
J.P Brun, D Gapais, B Le Theoff
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Gneiss domes and gneiss dome systems
2004Various mechanisms have been proposed for the dynamic cause and kinematic development of gneiss domes. They include (1) diapiric fl ow induced by density inversion, (2) buckling under horizontal constriction (i.e., extension perpendicular to compression), (3) coeval orthogonal contraction or superposition of multiple phases of folding in different ...
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The Pelham gneiss dome, Massachusetts
Eos, Transactions American Geophysical Union, 1942The Pelham gneiss dome in central‐northern Massachusetts, east of the Connecticut Valley, measures about 27 by 7 miles. Its axis strikes north‐south, and the northern end is three miles south of the New Hampshire Border. Gneissic foliation is remarkably well developed throughout the dome.
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