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Simone Vezzoni, Diego Pieruccioni, Yuri Galanti, Cristian Biagioni and Andrea Dini
The reconstruction of the polymetamorphic history of basement rocks in orogens is crucial for deciphering past geodynamic evolution. However, the current petrographic features are usually interpreted as the results of the metamorphic recrystallization of...
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Vincent Van Hinsberg, Catherine Crotty, Stan Roozen, Kristoffer Szilas and Alexander Kisters
The Tartoq greenstone belt of southwest Greenland represents a well-preserved section through >3 Ga old oceanic crust and has the potential to provide important constraints on the composition and geodynamics of the Archaean crust. Based on a detailed ...
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Joshua P. Taylor, Laura E. Webb, Cari L. Johnson and Matthew J. Heumann
The Central Asian Orogenic Belt, or Altaids, is an amalgamation of volcanic arcs and microcontinent blocks that records a complex late Precambrian?Mesozoic accretionary history. Although microcontinents cored by Precambrian basement are proposed to play ...
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Alberto Adriazola,Bernhard Stockhert
Structural and microstructural observations combined with apatite and zircon fission track thermochronology within two sectors of the Main Andean Range in the Los Lagos Region of Chile reveal an episodic history of intrusion and deformation in the North ...
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Paul Duhart,Alberto C. Adriasola
The Coastal Ranges in the western part of the Chiloé Archipelago represent an emerged forearc high at the subduction front of south-central Chile. Prior to the Cenozoic framework of the subducting Farallón and Nazca plates beneath the South American plat...
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Stuart N. Thomson,Francisco Herve
Pág. 255 - 271
Fission-track (FT) analysis was performed on ten samples of detrital zircons from several pre-Late Jurassic metamorphic accretionary complexes at the ancestral Pacific margin of Gondwana in southern Chile (42-52°S) previously dated by U-Pb SHRIMP. Post-m...
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Zong-jie Fang,Arthur Boucot,Vladimir Covacevich,Francisco Herve
Pág. 165 - 173
The late Triassic bivalve Monotis (Pacimonotis) aff. subcircularis Gabb indicative of a Norian (probably early late Norian) age has been collected from the southeastern end of Patranca Island (45º25'S-74º09'W) in the Chonos Archipelago, Southern Chile. A...
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