Academic literature on the topic 'Blueschist facies metapelite'
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Journal articles on the topic "Blueschist facies metapelite"
Gonzalez, Joseph P., Suzanne L. Baldwin, Jay B. Thomas, William O. Nachlas, and Paul G. Fitzgerald. "Evidence for ultrahigh-pressure metamorphism discovered in the Appalachian orogen." Geology 48, no. 10 (June 19, 2020): 947–51. http://dx.doi.org/10.1130/g47507.1.
Full textMPOSKOS, E., and M. PERRAKI. "High pressure alpine metamorphism of the Pelagonian allochthon in the Kastania area (Southern Vermion), Greece." Bulletin of the Geological Society of Greece 34, no. 3 (January 1, 2001): 939. http://dx.doi.org/10.12681/bgsg.17124.
Full textRoda, Manuel, Michele Zucali, Alessandro Regorda, and Maria Iole Spalla. "Formation and evolution of a subduction-related mélange: The example of the Rocca Canavese Thrust Sheets (Western Alps)." GSA Bulletin 132, no. 3-4 (September 17, 2019): 884–96. http://dx.doi.org/10.1130/b35213.1.
Full textŽÁČKOVÁ, E., J. KONOPÁSEK, P. JEŘÁBEK, F. FINGER, and J. KOŠLER. "Early Carboniferous blueschist facies metamorphism in metapelites of the West Sudetes (Northern Saxothuringian Domain, Bohemian Massif)." Journal of Metamorphic Geology 28, no. 4 (May 2010): 361–79. http://dx.doi.org/10.1111/j.1525-1314.2010.00869.x.
Full textBOSSE, V. "Ductile Thrusting Recorded by the Garnet Isograd from Blueschist-Facies Metapelites of the Ile de Groix, Armorican Massif, France." Journal of Petrology 43, no. 3 (March 1, 2002): 485–510. http://dx.doi.org/10.1093/petrology/43.3.485.
Full textLÓPEZ-CARMONA, A., P. PITRA, and J. ABATI. "Blueschist-facies metapelites from the Malpica- Tui Unit (NW Iberian Massif): phase equilibria modelling and H2 O and Fe2 O3 influence in high-pressure assemblages." Journal of Metamorphic Geology 31, no. 3 (December 1, 2012): 263–80. http://dx.doi.org/10.1111/jmg.12018.
Full textArenas, R., I. Novo-Fernández, A. Garcia-Casco, R. Díez Fernández, J. M. Fuenlabrada, M. F. Pereira, J. Abati, S. Sánchez Martínez, and F. J. Rubio Pascual. "A unique blueschist facies metapelite with Mg-rich chloritoid from the Badajoz-Córdoba Unit (SW Iberian Massif): correlation of Late Devonian high-pressure belts along the Variscan Orogen." International Geology Review, July 20, 2020, 1–24. http://dx.doi.org/10.1080/00206814.2020.1789509.
Full textDissertations / Theses on the topic "Blueschist facies metapelite"
Collins, L. J. "Low-temperature mica schists of Anglesey, UK: cold subduction on the margin of Avalonia." Thesis, 2017. http://hdl.handle.net/2440/126658.
Full textAnglesey in North Wales is considered to contain the oldest exposures of lawsonite-glaucophane blueschist in the world, marking the first appearance of lawsonite in the geological record, and heralding the emergence of truly modern subduction thermal regimes. The blueschists formed in the late Neoproterozoic during subduction beneath Avalonia. Interlayered within the blueschist unit are rare lenses of garnet-bearing metapelite that form part of a lithological association with more voluminous garnet-free metapelites. Detrital U-Pb zircon geochronology of the metapelites indicates that deposition of the protolith occurred ~630-590 Ma ago. The dominant detrital zircon ages correspond to the age of arc magmatism along the inferred margin of Avalonia, suggesting that the bulk of the detritus was derived from erosion of the arc. The presence of less abundant older zircons that range in age up to 2Ga, suggest that the arc was built on an ancient continental margin. This suggestion is supported by Nd isotopic compositions of the metapelites, which indicate derivation from an evolved source. The rare garnet metapelites contain the metamorphic assemblage garnet-muscovite-chlorite-albite-quartz-titanite-rutile-pyrite in which coronas of rutile surround titanite. Phase equilibria forward modelling of the metapelites indicates a prograde burial path that culminated with conditions around 400-450°C, at pressures of 10-12kbar. These conditions give an average thermal gradient of around 40°C/kbar, which is comparatively warm for lawsonite-bearing rocks. This suggests the Anglesey lawsonite-bearing blueschists record the onset of global subduction thermal regimes in the late Neoproterozoic that can stabilise lawsonite, rather than simply being a fortuitous preservation of widely developed refrigerated metamorphic rock systems.
Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Physical Sciences, 2017