[PDF] Top 20 Geochemical and Sr¡VNd isotopic characteristics of granitic rocks from northern Vietnam
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Geochemical and Sr¡VNd isotopic characteristics of granitic rocks from northern Vietnam
... aliquots of the ®ne powder weighing 10±55 mg were spiked for isotope dilution measurements prior to digestion using a mixture of HNO 3 and HF acids in tightly closed te¯on jars maintained at a ... See full document
14
Geochemical and Sr–Nd isotopic constraints from the Kontum massif, central Vietnam on the crustal evolution of the Indochina block
... 5a and b, all the gneisses and schists are plotted in (La/Yb) N versus Yb N and (Sr/Y) versus Y ...gneisses of Figs. 3b and 4b plus KT308) and two schists (except KT8049 ... See full document
21
Crust–mantle interaction induced by deep subduction of the continental crust: geochemical and Sr–Nd isotopic evidence from post-collisional mafic–ultramafic intrusions of the northern Dabie complex, central China
... Korean and Yangtse cratons Fig. 1 . Coesite-bearing Ž . rocks mainly eclogites are widely distributed in the two terranes which are truncated by the Tanlu Fault and offset by about 500 ... See full document
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Geochemical, Sr and Nd isotopic characteristics and tectonic implications for three stages of igneous rock in the Late Yanshanian (Cretaceous) orogeny, SE China
... intrusion of mantle-derived melts, partial melting of mafic residues, mig- matisation between mafic magmas and the country rocks, metasomatism caused by ductile deformation in the shear zone, ... See full document
12
Geochemical and Sr–Nd–Pb isotopic compositions of mafic dikes from the Jiaodong Peninsula, China: evidence for vein-plus-peridotite melting in the lithospheric mantle
... dikes from the Jiaodong Peninsula, eastern China occurred in the Early Cretaceous (135 – 115 Ma), broadly synchronous with the massive emplacement of granitic plutons and gold mineralization ... See full document
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Geochemical and Sm–Nd isotopic characteristics of metabasites from central Hainan Island, South China and their tectonic significance
... Remnants of fragmented oceanic crust in Hainan Our geochemical and Sm–Nd isotopic data demon- strate that the Bangxi–Chenxing metabasites with MORB affinity were formed in an oceanic environ- ... See full document
13
Mesozoic high-Ba–Sr granitoids from North China: geochemical characteristics and geological implications
... The geochemical data presented here suggest that in the NCB and DSO the intermediate-acidic rocks of the Yan- shanian post-collisional magmatism consist dominantly of high-Ba–Sr ... See full document
7
Nd-Sr ISOTOPIC COMPOSITION AND GEOCHEMISTRY OF SEDIMENTS FROM TAIWAN AND THEIR IMPLICATIONS
... Nd isotopic composition and geochemistry of the earliest Cenozoic to Oligocene metasedimentary and sedimentary rocks together with those of metasedimentary rocks of ... See full document
18
Petrogenesis of post-orogenic syenites in the Sulu Orogenic Belt, East China: Geochronological, geochemical and Nd-Sr isotopic evidence
... the characteristics of post-orogenic alkaline sequences as defined by Bonin, (1990, 1998), ...event of the Sulu orogenesis due to partial melting of the subducted Yangtze lithospheric mantle ... See full document
27
40Ar–39Ar dating and geochemical characteristics of late Cenozoic basaltic rocks from the Zhejiang–Fujian region, SE China: eruption ages, magma evolution and petrogenesis
... gradually and propagated westward and northward due to the collision of the Luzon arc with the eastern edge of the Eurasia continent during late Miocene to ...element and ... See full document
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Whole-rock elemental and zircon Hf isotopic geochemistry of mafic and ultramafic rocks from the Early Cretaceous Comei large igneous province in SE Tibet: constraints on mantle source characteristics and petrogenesis
... EXTENDED ABSTRACTS: 23RD HIMALAYAN-KARAKORAM-TIBET WORKSHOP, 2008, INDIA HIMALAYAN JOURNAL OF SCIENCES | VOL. 5 | ISSUE 7 (SPECIAL ISSUE) | 2008 178 The Early Cretaceous Comei large igneous province (CLIP) aged ... See full document
3
Retardation behavior of Sr and Cs in Crushed and Intact Rocks：Two potential LLWrepository Taiwan host rocks
... crushed and intact samples were performed in the work to assess the actual geological ...granite, and it may play a more suitable role than granite in the site selection for the HLW ...retardation of ... See full document
16
Retardation behavior of Sr and Cs in Crushed and Intact Rocks：Two potential LLWrepository Taiwan host rocks
... Department of Earth Sciences, National Cheng Kung University, Tainan ,Taiwan 2 Department of Chemical and Materials Engineering, National Central University, Taoyuan, Taiwan 3 Chemical Division, ... See full document
1
A hybrid origin for the Qianshan A-type granite, northeast China: Geochemical and Sr–Nd–Hf isotopic evidence
... 87 Sr / 86 Sr ratios than the hornblende granites, ruling out magma derivation solely by partial melting of an upper crustal ...20) and Sr (initial 87 Sr / 86 Sr = ... See full document
18
Geochemical and carbon isotopic characterization of particles collected in sediment traps from the East China Sea continental slope and the Okinawa Trough northeast of Taiwan
... Trough and turns eastwards to continue its journey to the North Pacific, the shelf-side of the Kuroshio water branches off from its mainstream and intrudes northwestwards through the NMHC onto ... See full document
21
Carbon isotopic composition of suspended and sinking particulate organic matter in the northern South China Sea—From production to deposition
... size and cell wall permeability, within the normal ranges may have contributed signifi- cantly to the observed isotope ...carbon isotopic composition of phytoplankton in the surface water worked in ... See full document
24
Petrogenesis of the Nanling Mountains granites from South China: Constraints from systematic apatite geochemistry and whole-rock geochemical and Sr–Nd isotope compositions
... 2007 and references ...generation of such a large and complicated batholith needs to address the regional control for the distribution of magmatism, rather than rely- ing on a single batholith ... See full document
24
Geochemical constraints on the petrogenesis of high-Mg basaltic andesites from the Northern Taiwan Volcanic Zone
... andesites from the Iriomote-jima, southern Ryukyus, ...LILE and LREE enrichments and Pb positive spike, their Aintraplate-typeB incompatible element variation patterns are comparable to those ... See full document
16
Distribution Characteristics of Methamphetamine and Amphetamine in Urine and Hair Specimens Collected from Alleged Methamphetamine Users in Northern Taiwan.
... consumption of MA) and hair (for long-term ...7, and 8, it turned out that, with only few exceptions, those who had relatively higher levels of MA in the hair sections also showed relatively ... See full document
7
Geochemical Constraints for the Genesis of Post-collisional Magmatism and the Geodynamic Evolution of the Northern Taiwan Region
... removal of some of the thickened lithosphere and thus induce decompressional melting to generate asthenospheric melts first (Turner et ...rheology of both plates in collision, the extent ... See full document
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