Isotopic相关论文
The role of crustal contamination in the formation of Ni-Cu sulfide deposits in Eastern Tianshan,Xin
Tulaergen,Xiangshan,Huangshan.Tianyu,and Baishiquan magmatic Ni-Cu sulfide deposits,which are all located in the eastern......
Provenance of metasedimentary rocks from the Beishan orogenic collage,southern Altaids:Constraints f
The origin and tectonic settings of metasedimentary sequences in the Central Asian Orogenic Belt have been a matter of d......
U-Pb ages and Hf-O isotopes of zircons from Late Paleozoic mafic-ultramafic units in the southern Ce
U-Pb age and Hf-O isotope data of zircons from the mafic-ultramafic complexes and their related rhyolites and granites i......
Subduction-induced mantle heterogeneity beneath Eastern Tianshan and Beishan:Insights from Nd-Sr-Hf-
Extensive late Paleozoic mafic-ultramafic complexes in the Eastern Tianshan and Beishan regions in the southern Central ......
Zinc, copper, and strontium isotopic variability in the Baiyangping Cu–Pb–Zn–Ag polymetallic ore fie
The Baiyangping Cu-Ag polymetallic ore district is located in the northern part of the Lanping-Simao foreland fold belt,......
Re-Os Isotopic Age of Molybdenite of the Jingren Deposit and its Mineralogical Significance of Magne
The Jingren deposit is part of the Qimantage metallogenic belt within the eastern Kunlun orogenic belt,the largest metal......
The aim of this work is to characterize the geographical origin of cocoa beans and coffee beans. This study aims to cont......
Nitrogen isotopic fractionation of particulate organic matter production and remineralization in the
During the 29 th Chinese National Antarctic Research Expedition,spatial variations in nitrogen isotopic composition of p......
The variation of stable isotope ratios in natural waters provides valuable information that can be used to trace water m......
Carbon isotopic composition and its implications on paleoclimate of the underground ancient forest e
We present the carbon isotopic composition of the total organic carbon(TOC) and fine roots in the sedimentary profile fr......
Impact of hydrothermal alteration on the U-Pb isotopic system of zircons from the Fangcheng syenites
Disturbance of the zircon U-Pb isotopic system has been investigated extensively, but mostly in lab, in the last decades......
Sm-Nd isotopic compositions of Cambrian-Ordovician strata at the Jinggangshan area in Jiangxi Provin
Whole-rock Sm-Nd isotopes were investigated for Cambrian-Ordovician strata from the Jinggangshan area between the Yangtz......
Although the gas cracked from oil has been believed to be one of the important sources in highly matured marine basins, ......
Molecular fossils and sources of Cambrian heavy oil of Well Tadong-2 in theTarim Basin,Xinjiang,Chin
Research on the molecular fossil characteristics of heavy oil from Well Tadong-2 is of great importance to constrain the......
The carbon and hydrogen isotopic composition of biogenic gas is of great importance for the study of its generation path......
Recently abiogenic alkanes have been found in various locations in the world and other celestial bodies.The chemical com......
Early Paleozoic ridge subduction in the Chinese Altai: Insight from the abrupt change in zircon Hf i
Zircons were separated from granitoids, gneisses, and sedimentary rocks of the Chinese Altai. Those with igneous charact......
Hydrogen isotopic compositions and their environmental significance for individual n-alkanes in typi
Hydrogen isotopes of n-alkanes in grasses, tree leaves and reeds from six regions with latitudes of 20° to 39°N in Chi......
Constraints on the age of the Tuchengzi Formation by LA-ICP-MS dating in northern Hebei-western Liao
Accurately determining the age of the Tuchengzi Formation has direct influence on confirming the boundary between the Ju......
Mo isotopes in the Lower Cambrian formation of southern China and its implications on paleo-ocean en
Over the past decade, as one of nontraditional stable isotopes, Mo isotope has developed rapidly and now become an impor......
The Early Holocene paleoclimate in Bosten Lake on the northern margin of the Tarim Basin, southern Xinjiang, is reconstr......
Basaltic magmatism that builds intra-plate ocean islands is often considered to be genetically associated with “hotspot......
This paper presents an overview of recent studies dealing with different ages of mantle peridotitic xenoliths and xenocr......
Evaluating the Provenance of Metasedimentary Rocks of the Jiangxian Group from the Zhongtiao Mountai
In this study,whole-rock geochemical and Nd isotopic data,as well as detrital zircon Hf isotopes of Palaeoproterozoic me......
Sulfur isotopic composition of the Bainiuchang super-large Ag polymetallic deposit,Yunnan Province,C
The Bainiuchang deposit in Yunnan Province, China, is located geographically between the Gejiu ore field and the Dulong ......
Guandishan Granitoids of the Paleoproterozoic Lüliang Metamorphic Complex in the Trans-North China O
The Paleoproterozoic L(u|¨)liang Metamorphic Complex(PLMC) is situated in the middle segment of the western margin of t......
The Shijuligou deposit was separated by an arcuate ductile shear zone cross the center of the deposit region, resulting ......
Variations in carbon isotope ratios of C_3 plants and distribution of C_4 plants along an altitudina
Variations in carbon isotopic ratios (δ 13C) of C3 plants and distribution of C4 plants were investigated along an alti......
Based on petrological and geochemical characteristics such as rock assemblage, petrogeochemistry, Sr-Nd isotope, zircon ......
Lead isotopic systematics for native copper-chalcocite mineralization in basaltic lavas of the Emeis
The Emeishan continental flood basalt, which is widespread in Yunnan, Guizhou and Sichuan provinces of Southwest China, ......
Possible early Neoproterozoic magmatism associated with slab window in the Pingshui segment of the J
We report here geochemical data, U-Pb zircon ages, and Hf isotopes for the high-Mg diorites (HMDs), Nb-enriched basaltic......
Nitrogen isotopic composition of plant-soil in the Loess Plateau and its responding to environmental
The nitrogen isotope of soil is of emerging significance as an indicator of climatic change and biogeochemical cycle of ......
The helium and argon isotopic compositions of the ore-forming fluids from the molybdenum deposits such as Jinduicheng, D......
Rb-Sr isotopic dating of sphalerite from the giant Huize Zn-Pb ore field, Yunnan Province, Southwest
The giant Huize Zn-Pb ore field in Yunnan Province, southwestern China, comprises the Qilinchang and Kuangshanchang depo......
Thermal karst groundwaters with temperatures ranging from 32.8 to 62.5 ℃ were found at Taiyuan(太原) City,the capital o......
Oxygen and Hydrogen Isotopes of Waters in the Ordos Basin,China:Implications for Recharge of Groundw
Hundreds of precipitation samples collected from meteorological stations in the Ordos Basin from January 1988 to Decembe......
Role of mantle-derived magma in genesis of early Yanshanian granites in the Nanling Range, South Chi
Although a number of petrographic observations and isotopic data suggest that magma mixing is common in genesis of many ......
U-Pb Zircon Ages,Geochemical and Sr-Nd-Hf Isotopic Compositions of Granitoids in Western Songpan-Gar
Granitoids are widespread in the Songpan-Garze (松潘-甘孜) fold belt,western China. These granitoids provide insight int......
<正> Recently, there have been many reports on experiments of laser isotopic enrichment of SF6 with infrared multiphoton......
<正> Reference samples of lithium isotopes can be prepared by mixing pure materials with moderately high content of eith......
<正> Organic liquids usually possess much greater coefficient of thermal expansion than inorganic crystals. Such a fact ......
Re-Os geochronometry based on the Os isotopic changes caused by the radioactive de-cay of <sup>187</sup>Re to <sup>187</......
煌斑岩广泛地在北艾劳山结构地区在 Laowangzhai 金 orefield 上被散布,云南省。在 orefield 的 Lampmphyres 是时间地并且空间地与......
Nd-Sr isotopic compositions of 12 Mesozoic granitoids from Jiangxi Province have been reported. They show loe-ε<sub>ND<......
Sm-Nd isotopic ages for C-type eclogite (243.9±5.6 Ma) and mafic and ultramafic rocks(230.6±30.7 Ma and 402.6&......
An unusual isotopic fractionation of boron in synthetic calcium carbonate precipitated from seawater
Inorganic calcium carbonate precipitation from natural seawater and saline water at various pH values was carried out ex......
Early Paleozoic (Pan African) thermal event of the Larsemann Hills and its neighbours, Prydz Bay, Ea
The early Paleozoic (Pan African) thermal event of the Larsemann Hills and its adjacent areas, East Antarctica is discus......
The 982 Ma Re-Os age of copper-nickel sulfide ores in the Baotan area, Guangxi and its geological si
Re-Os dating on copper-nickel sulfide ores from the Baotan area, Guangxi, yielded an ore-forming age of 982±21 Ma(2......
The LA-ICP-MS zircons U-Pb ages and geochemistry of the Baihua basic igneous complexes in Tianshui a
Baihua meta-igneous complex consists mainly of pyroxenite-gabbro(diorite)-diorite-quartz diorite. They form a complete c......