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Amotape Terrane

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Journal Article
Published: 01 June 2015
Journal of Sedimentary Research (2015) 85 (6): 646-659.
... of a Famatinian arc (∼ 480 Ma) and Carboniferous–Triassic magmatism along northwestern Gondwana. Pre-Andean and Amazonian DZ likely was recycled from Paleozoic metasedimentary rocks of the Andean Cordillera and Amotape terrane, although the data do not preclude delivery of Amazonian detritus directly...
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Journal Article
Journal: GSA Bulletin
Published: 01 March 2017
GSA Bulletin (2017) 129 (3-4): 415-428.
...C. Witt; M. Rivadeneira; M. Poujol; D. Barba; D. Beida; G. Beseme; G. Montenegro AbstractA comparison of detrital zircon ages from the Cenozoic forearc basins in SW Ecuador–NW Peru and those derived from the Amotapes Massif offers a singular opportunity to shed some light on the evolution...
Journal Article
Journal: Geology
Published: 01 June 1999
Geology (1999) 27 (6): 547-550.
...R. J. Arculus; H. Lapierre; É. Jaillard AbstractThe high-pressure, low-temperature (P = 1.3–2 GPa; T is ≤ 600 °C) Raspas metamorphic complex is an exhumed fragment of the partially accreted, partially subducted Amotape-Chaucha terrane in southwest Ecuador. Comparative analysis of major and trace...
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Schematic paleogeographic and palinspastic model for the development of Per...
Published: 01 June 2010
with continental SA; subduction occurs along the Ecuadorian segment, whereas the Peruvian north-northwest-trending margin is a sinistral transform; Amotape terrane is a microcontinent approaching SA. B. Change in convergence direction from southeast to ~northeast; accretion of the Amotape terrane, notably along
Journal Article
Published: 01 January 1988
Bulletin de la Société Géologique de France (1988) IV (1): 69-79.
...T. Mourier; F. Megard; L. Reyes R.; A. Perdo Arguedas accretion accretionary wedges Amotape Amotape-Tahuin block Andes Central Andes Cretaceous Ecuador evolution Huancabamba IGCP island arcs Jurassic Lower Jurassic Mesozoic northern Peru Peru plate tectonics South America...
Image
Sr, Nd, and Pb isotope compositions of investigated samples. “Central Ecuad...
Published: 01 November 2010
of Amórtegui, 2007 ; Pichincha granulite xenoliths of Chiaradia et al., 2009a ); metasediments and igneous units of the Amotape terrane (southern Ecuador), and the Loja and Alao tectonostratigraphic units of the Eastern Cordillera (Pb isotopes only; Chiaradia et al., 2004b ); Cretaceous-Paleogene intrusions
Journal Article
Journal: Economic Geology
Published: 01 June 2010
Economic Geology (2010) 105 (4): 713-742.
... with continental SA; subduction occurs along the Ecuadorian segment, whereas the Peruvian north-northwest-trending margin is a sinistral transform; Amotape terrane is a microcontinent approaching SA. B. Change in convergence direction from southeast to ~northeast; accretion of the Amotape terrane, notably along...
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Journal Article
Journal: GSA Bulletin
Published: 01 September 2009
GSA Bulletin (2009) 121 (9-10): 1298-1324.
... the tectonic boundary between the Western Amazonian tectonic provinces of San Ignacio (1.57–1.24 Ga) and Sunsás (1.19–0.92 Ga; Cordani and Sato, 2000 ) and parautochthonous to allochthonous crustal domains (1.9–1.8 Ga Arequipa-Antofalla; 150 Ma Olmos-Amotape terrane), thus providing a continuous record...
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Series: Geological Society, London, Special Publications
Published: 01 January 2009
DOI: 10.1144/SP328.20
EISBN: 9781862395763
... and the Central Andes. Persistent large magnitude subduction, arc magmatism and compressional deformation typify the Central Andes, while the Northern Andes shows back-arc basin and passive margin formation followed by dextral oblique accretion of oceanic plateau basalt and island arc terranes with Caribbean...
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Journal Article
Journal: AAPG Bulletin
Published: 01 November 2005
AAPG Bulletin (2005) 89 (11): 1519-1545.
... ). Mixing of oils from several source rocks may also have influenced the Ni and V contents of these oils ( Higley, 2004 ). The oil samples reported by Higley (2004) are primarily from Eocene reservoirs. One oil sample listed is from a fractured interval from the Amotape Formation in the southern part...
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Journal Article
Journal: Economic Geology
Published: 01 November 2010
Economic Geology (2010) 105 (7): 1243-1270.
... of Amórtegui, 2007 ; Pichincha granulite xenoliths of Chiaradia et al., 2009a ); metasediments and igneous units of the Amotape terrane (southern Ecuador), and the Loja and Alao tectonostratigraphic units of the Eastern Cordillera (Pb isotopes only; Chiaradia et al., 2004b ); Cretaceous-Paleogene intrusions...
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Journal Article
Published: 01 December 1990
Journal of the Geological Society (1990) 147 (6): 1009-1022.
... of Mexico-Caribbean region during Mesozoic times Geological Society of America Bulletin 1983 94 941 965 Aspden J. A. McCourt W. J. Mesozoic oceanic terrane in the Central Andes of Colombia Geology 1986 14 415 418 Aspden J. A. McCourt W. J. Brook M. Geometrical...
Journal Article
Journal: GSA Bulletin
Published: 01 January 2010
GSA Bulletin (2010) 122 (1-2): 89-108.
... structures suggest that the Tumbes detachment system has controlled basin evolution by acting as the master fault of the system. Considering that the Gulf of Guayaquil-Tumbes Basin is bounded by Cretaceous oceanic terranes to the north and Paleozoic continental basement to the south, the role of the old...
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Journal Article
Published: 01 November 2003
European Journal of Mineralogy (2003) 15 (6): 977-989.
...-derived units, i.e. the Biron Terrane to the North, and the Tahuin Group to the South ( Feininger, 1978 and 1987 ; Gabriele, 2002 ) ( Fig. 1 ). K-Ar data on phengite (132 ± 5 Ma, Feininger, 1980 ) suggest a lowermost Cretaceous age for cooling of the high-pressure metamorphism. The P-T evolution...
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Journal Article
Published: 01 January 2002
Journal of Paleontology (2002) 76 (1): 43-51.
... of east-central Oregon, was named by Dickerson and Vigrass (1965). Following a period of exotic terrane accretion, Albian to Turonian Cretaceous seas spread broadly over wide expanses of Oregon, and the Bernard Formation was one of these in situ Cretaceous deposits ( Jones, 1960a ; Dickinson and Thayer...
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Series: Geological Society, London, Engineering Geology Special Publications
Published: 01 January 2005
DOI: 10.5382/SP.11.18
EISBN: 9781629490359
... and Iberian Pyrite Belt. Many giant massive sulfide deposits are also hosted in rock sequences dominated by volcaniclastic and sedimentary rocks that are now variably deformed and metamorphosed. Large massive sulfide deposits in volcanic lava flow-dominated terranes are somewhat less common ( Barrie...
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Journal Article
Published: 01 May 2017
Journal of Paleontology (2017) 91 (3): 417-433.
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