| 词条 | Cordillera Darwin Metamorphic Complex |
| 释义 |
| name = Cordillera Darwin Metamorphic Complex | image = | caption = | type = Complex | age = Cretaceous | period = Cretaceous | prilithology = Metasediments, metavolcanics, orthogneiss | otherlithology = | namedfor = Cordillera Darwin | namedby = | region = Magallanes Region, Tierra del Fuego Province (Argentina) | country = Chile, Argentina | coordinates = | unitof = | subunits = | underlies = Tobífera Formation | overlies = | thickness = | extent = | area = | map = | map_caption = }} The Cordillera Darwin Metamorphic Complex is a geologic complex composed chiefly of metamorphic rocks located in southern Tierra del Fuego. It has been suggested that the Cordillera Darwin Metamorphic Complex is analogous to the Eastern Andes Metamorphic Complex.[1][2] The Cordillera Darwin Metamorphic Complex is the only metamorphic complex in the southern Andes known to have amphibolite facies rocks containing kyanite and sillimanite which evidences high-grade metamorphism. High-grade metamorphism took place during the Cretaceous purportedly in association with the closure of the Rocas Verdes Basin.[2] The protoliths of Cordillera Darwin Metamorphic Complex are unrelated to Tierra del Fuego Igneous and Metamorphic Complex despite present-day proximity.[2] References1. ^{{cite book |last1=Hervé |first1=F.|last2=Faundez |first2=V. |last3=Calderón |first3=M. |last4=Massonne |first4=H.-J. |last5=Willner |first5=A.P. |author-link=Francisco Hervé |editor-last1=Moreno |editor-first1=Teresa|editor-last2=Gibbons |editor-first2=Wes |title=The Geology of Chile |publisher=Geological Society of London |date=2007 |pages=7–20 |chapter=Metamorphic and plutonic basement complexes |isbn=}} {{coord missing|Chile}}{{Geology of Chile}}{{MagellanAntarctic-geo-stub}}2. ^1 2 {{cite journal |last=Hervé |first=F. |last2=Fanning |first2=C.M. |last3=Pankhurst |first3=R.J. |last4=Mpodozis |first4=C. |last5=Klepeis |first5=K. |last6=Calderón |first6=M. |last7=Thomson |first7=S.N.|author-link1=Francisco Hervé |author-link3=Robert John Pankhurst|author-link4=Constantino Mpodozis |date=2010 |title=Detrital zircon SHRIMP U–Pb age study of the Cordillera Darwin Metamorphic Complex of Tierra del Fuego: sedimentary sources and implications for the evolution of the Pacific margin of Gondwana |url= |journal=Journal of the Geological Society, London |publisher= |volume=167 |issue= |pages=555–568 |doi= 10.1144/0016-76492009-124}} 5 : Geology of Magallanes y la Antártica Chilena Region|Geology of Tierra del Fuego|Metamorphic complexes|Lithodemic units of Argentina|Lithodemic units of Chile |
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