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    Geochronology, geochemistry and tectonic evolution of the Western and Central cordilleras of Colombia
    Lithos (2011)
    Diego VillagómezRichard SpikingsTomáš MagnaAndreas KammerWilfried WinklerAlejandro Beltrán‐Triviño
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    Keywords:
    Continental arc
    Continental Margin
    Basement
    Back-arc basin
    Geochronology
    Island arc
    Topics:
    Geological and Tectonic Studies in Latin America
    Geological and Geochemical Analysis
    earthquake and tectonic studies
    Nd in Island Arc and Continental Volcanic Rocks
    G. J. WasserburgD. A. Papanastassiou
    Measurements of initial ^(143)Nd/^(144)Nd (expressed as e_I ^(CHUR)) and ^(87)Sr/^(86)Sr were made on an andesite (BMR-1) and two dacites (BMR-3,5) from the New Britain volcanic arc to compare them with oceanic basalts and continental volcanics, and to evaluate models of the genesis of island arc magmas and their role in the growth of continental crust. In addition, continental ultrapotassic volcanics have been measured to determine if they are derived from a special magma source.
    Island arc
    Continental arc
    Continental Margin
    Volcanic arc
    Basaltic andesite
    Citations (0)
    New rates of western Pacific island arc magmatism from seismic and gravity data
    Earth and Planetary Science Letters (2002)
    Carla B. DimalantaAsahiko TairaGraciano P. YumulHidekazu TokuyamaKimihiro Mochizuki
    Back-arc basin
    Island arc
    Continental arc
    Continental Margin
    Citations (128)
    Continental growth through accreted oceanic arc: Zircon Hf–O isotope evidence for granitoids from the Qinling orogen
    Geochimica et Cosmochimica Acta (2016)
    Hao WangYuan-Bao WuShan GaoZhengwei QinZhao-Chu Hu
    Continental arc
    Continental Margin
    Adakite
    Citations (63)
    Tectonomagmatic setting and provenance of the Santa Marta Schists, northern Colombia: Insights on the growth and approach of Cretaceous Caribbean oceanic terranes to the South American continent
    Journal of South American Earth Sciences (2009)
    A. CardonaV. ValenciaCamilo BustamanteAntonio García‐CascoG. Ojeda
    Island arc
    Continental Margin
    Back-arc basin
    Volcanic arc
    Continental arc
    Geochronology
    Protolith
    Detritus
    Passive margin
    Accretionary wedge
    Citations (63)
    Chemical differentiation of the Earth: the relationship between mantle, continental crust, and oceanic crust
    Earth and Planetary Science Letters (1988)
    Albrecht W. Hofmann
    Adakite
    Incompatible element
    Planetary differentiation
    Underplating
    Primitive mantle
    Citations (3,146)
    A 60-Myr record of continental back-arc differentiation through cyclic melting
    Nature Geoscience (2019)
    Lauren C. WolframRoberto F. WeinbergOliver NebelKaïs HamzaPavlína Hasalová
    Continental Margin
    Continental arc
    Back-arc basin
    Orogeny
    Passive margin
    Citations (67)
    Metagabbros of the Gangdese arc root, south Tibet: Implications for the growth of continental crust
    Geochimica et Cosmochimica Acta (2014)
    Zeming ZhangXin DongHua XiangZhenyu HeJ. G. Liou
    Batholith
    Continental arc
    Back-arc basin
    Adakite
    Anatexis
    Island arc
    Igneous differentiation
    Citations (108)
    The seismic structure of thinned continental crust in the northern Bay of Biscay
    Geophysical Journal International (1986)
    R. B. WhitmarshF. AvedikM. R. Saunders
    The stretching and thinning of the continental crust, which occurs during the formation of passive continental margins, may cause important changes in the velocity structure of such crust. Further, crust attenuated to a few kilometres' thickness, can be found underlying 'oceanic' water depths. This paper poses the question of whether thinned continental crust can be distinguished seismically from normal oceanic crust of about the same thickness. A single seismic refraction line shot over thinned continental crust as part of the North Biscay margin transect in 1979 was studied in detail. Tau-p inversion suggested that there are differences between oceanic and continental crust in the lower crustal structure. This was confirmed when synthetic seismograms were calculated. The thinned continental crust (α ≥ 7.0) exhibits a two-gradient structure in the non-sedimentary crust with velocities between 5.9 and 7.4 km s-1; an upper 0.8 s-1 layer overlies a 0.4 s-1 layer. No layer comparable to oceanic layer 3 was detected. The uppermost mantle also contains a low-velocity zone.
    Continental Margin
    Convergent boundary
    Citations (53)
    Tonian island arc remnants in the northern Ribeira orogen of Western Gondwana: The Caxixe batholith (Espírito Santo, SE Brazil)
    Precambrian Research (2020)
    Raíssa SantiagoFabrício de Andrade CaxitoAntônio Carlos Pedrosa‐SoaresMirna Aparecida NevesElton Luiz Dantas
    Batholith
    Continental arc
    Back-arc basin
    Island arc
    Citations (20)