Three-Dimensional Evolution of the Early Paleozoic Western Laurentian Margin: New Insights From Detrital Zircon U-Pb Geochronology and Hf Isotope Geochemistry of the Harmony Formation of Nevada
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DOI: 10.1002/2017tc004520
Abstract: Arizona LaserChron National Science Foundation (NSF) grant [EAR-1338583]; NSF [EAR-9116000, EAR-9416933, EAR-0510915]; Raytheon Corporation Student Veterans Scholarship; Rocky Mountain Association of Geologists Veterans Memorial Scholarship; Nevada Petroleum and Geothermal Society; Graduate Student Association of the… read more here.
Keywords: three dimensional; early paleozoic; dimensional evolution; evolution early ... See more keywords
Early Paleozoic subduction initiation volcanism of the Iwatsubodani Formation, Hida Gaien belt, Southwest Japan
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DOI: 10.1007/s00531-016-1437-6
Abstract: In placing Japanese tectonics in an Asian context, variation in the Paleozoic geological environment is a significant issue. This paper investigates the geochemistry of the lower Paleozoic basalt formation (Iwatsubodani Formation) in the Hida Gaien belt,… read more here.
Keywords: early paleozoic; initiation; basalt; formation ... See more keywords
A Cambrian mixed carbonate–siliciclastic platform in SW Gondwana: evidence from the Western Sierras Pampeanas (Argentina) and implications for the early Paleozoic paleogeography of the proto-Andean margin
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DOI: 10.1007/s00531-018-1617-7
Abstract: The Western Sierras Pampeanas (WSP) of Argentina record a protracted geological history from the Mesoproterozoic assembly of the Rodinia supercontinent to the early Paleozoic tectonic evolution of SW Gondwana. Two well-known orogenies took place at… read more here.
Keywords: gondwana; early paleozoic; western sierras; proto andean ... See more keywords
Two-stage magmatic events of the early Paleozoic in the eastern Hexi Corridor Belt, NW China: petrogenesis and tectonic implications
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DOI: 10.1007/s12517-019-4605-8
Abstract: The petrogenesis and geodynamic implications of the early Paleozoic magmatic events in the eastern Hexi Corridor Belt, NW China, remain poorly constrained. In this study, we present high-quality zircon U–Pb ages as well as geochemical… read more here.
Keywords: early paleozoic; hexi corridor; zircon; eastern hexi ... See more keywords
Paleogeography of South China in the Early Paleozoic: evidence from U–Pb geochronology of detrital monazite
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DOI: 10.1007/s12517-020-05541-1
Abstract: The tectonic affinity of South China in paleogeographic reconstructions of the Gondwana supercontinent during the Early Paleozoic remains controversial. Here, we present new detrital monazite U–Pb age data from Lower Devonian Posongchong Formation clastic sedimentary… read more here.
Keywords: early paleozoic; south china; east gondwana; detrital monazite ... See more keywords
Early Paleozoic polyphase metamorphism in northern Tibet, China
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DOI: 10.1016/j.gr.2015.11.009
Abstract: Abstract The Altun–Qilian–Kunlun orogenic system in the northern Tibetan Plateau is considered as the northernmost orogenic collage of the proto-Tethyan domain. Early Paleozoic polyphase tectonothermal events related to the subduction of the proto-Tethyan ocean and… read more here.
Keywords: early paleozoic; metamorphic belt; metamorphism; polyphase ... See more keywords
Identifying late Neoproterozoic–early Paleozoic sediments in the South Qilian Belt, China: A peri-Gondwana connection in the northern Tibetan Plateau
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DOI: 10.1016/j.gr.2019.06.010
Abstract: Abstract The provenance and maximum depositional age of Neoproterozoic to early Paleozoic sedimentary rocks from the Balonggonggaer Formation (BF) in the South Qilian belt (northern Tibetan Plateau) is established using LA-ICP-MS U Pb age determinations… read more here.
Keywords: south qilian; early paleozoic; northern tibetan; gondwana ... See more keywords
Early Paleozoic accretionary orogens along the Western Gondwana margin
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DOI: 10.1016/j.gsf.2020.07.001
Abstract: Abstract Early Paleozoic accretionary orogens dominated the Western Gondwana margin and were characterized by nearly continuous subduction associated with crustal extension and back-arc basin development. The southwestern margin is represented by Famatinian and Pampean basement… read more here.
Keywords: early paleozoic; accretionary orogens; western gondwana; paleozoic accretionary ... See more keywords
Early Paleozoic tectonic reactivation of the Shaoxing-Jiangshan fault zone: Structural and geochronological constraints from the Chencai domain, South China
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DOI: 10.1016/j.jsg.2018.03.003
Abstract: Abstract The Shaoxing-Jiangshan fault zone (SJFZ), as a fundamental Neoproterozoic block boundary that separates the Yangtze Block from the Cathaysia Block, is the key to understanding the evolution of South China from Neoproterozoic block amalgamation… read more here.
Keywords: early paleozoic; tectonic reactivation; south china; block ... See more keywords
Shoshonitic- and adakitic magmatism of the Early Paleozoic age in the Western Kunlun orogenic belt, NW China: Implications for the early evolution of the northwestern Tibetan plateau
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DOI: 10.1016/j.lithos.2017.06.013
Abstract: Abstract The Western Kunlun orogenic belt in the northwestern margin of the Tibetan plateau contains two magmatic belts; early Paleozoic belt in the northern part of Western Kunlun Terrane (WKT), and early Mesozoic belt in… read more here.
Keywords: early paleozoic; belt; western kunlun; kunlun orogenic ... See more keywords
Crustal contamination versus an enriched mantle source for intracontinental mafic rocks: Insights from early Paleozoic mafic rocks of the South China Block
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DOI: 10.1016/j.lithos.2017.06.023
Abstract: Abstract Several recent studies have documented that the silicic rocks (SiO 2 > 65 wt.%) comprising Silicic Large Igneous Provinces are derived from partial melting of the crust facilitated by underplating/intraplating of “hidden” large igneous province-scale basaltic… read more here.
Keywords: early paleozoic; enriched mantle; mantle source; mafic ... See more keywords