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Article
Zircon SHRIMP U-Pb dating for gabbro at Chaotiehe in the Haicheng area, eastern Liaoning
Chaotiehe gabbroic intrusion in the eastern part of Liaoning Province was dated by the zircon SHRIMP U-Pb technique. The results gave an emplacement age of 126±4 Ma, indicating that the intrusion thus formed d...
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Article
SHRIMP zircon U-Pb dating of the Gangou granitoids, Central Tianshan Mountains, Northwest China and tectonic significances
Two types of granitoids, highly deformed augen granitoids and undeformed fine-grained granitoids, are widely distributed in Gangou area, Central Tianshan Mountains, Northwest China. The augen granitoids are hi...
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Article
Zircon SHRIMP U-Pb ages of the “**nghuadukou Group” in Hanjiayuanzi and **nlin areas and the “Zhalantun Group” in Inner Mongolia, Da Hinggan Mountains
A report is presented of SHRIMP zircon U-Pb dating data of meta-igneous and meta-sedimentary rocks of the **nghuadukou Group (**nlin-Hanjiayuanzi area, Heilongjiang Province) and meta-volcanic rocks of the Zha...
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Article
Zircon SHRIMP U-Pb dating of meta-diorite from the basement of the Songliao Basin and its geological significance
The basement of the Songliao Basin mainly contains low-grade metamorphic rocks and granites. It has been long disputed whether the basin has Precambrian metamorphic basement. This is a report of zircon SHRIMP ...
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Article
SHRIMP U-Pb zircon geochronology and its implications on the **lin Gol Complex, Inner Mongolia, China
The **lin Gol Complex, consisting of deformed and metamorphosed rocks, was exposed as a large geological unit within the Central Asian Orogenic Belt, but its forming and subsequent deformed and metamorphic tim...
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Article
Paleomagnetism of early Paleozoic volcanic rocks from the Beishan area, Gansu of northwest China: Preliminary insight into early Paleozoic kinemics of the Beishan terrane
We report rock magnetic and paleomagnetic results for Middle Silurian Gongpoquan and Middle Ordovician Huaniushan volcanic samples collected from the Mazongshan and Hongliuyuan areas of Gansu Province, north-w...
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Article
Oxygen isotopic (17O-18O) heterogeneity in Archaean continental nucleus, North China Craton
The oxygen isotopic data for amphibolites from Archaean continental nucleus, North China Craton indicate that ( i ) the evolving lines structured by the data are parallel to the geoselenic evolving line, which...
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Article
Oxygen and hydrogen isotopic compositions of coexistent minerals of the Tasigake alkali granite pluton, northern **njiang: constraints upon the cause of18OD depletion and the18O/16O exchange kinetics
Oxygen and hydrogen isotopic compositions have been determined of three coexistent mineral triplets of alkali feldspar, quartz, arfvedsonite of 11 samples collected from the Tasigake alkali granite pluton, Ulu...
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Article
Evidence of Nd isotope for unhomogeneity and origin of upper mantle of North China platform
Based on isptopic age of Sm-Nd and its initial composition and its evolution obtained during the recent years of archean metamorphic magnesio-ferro the vocanics of upper mantle of the North China platform, it ...