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Zircon U-Pb age, Trace Element, and Hf Isotopic Compositions of Nordmarkite in the Lizhuang Rare Earth Element Deposit in the Western Margin of the Yangtze Block
nordmarkite REE deposit Hf isotopic characteristics of zircon Lizhuang
2018/4/10
The Mianning–Dechang (MD) rare earth element (REE) belt, located in the northern Kangdian axis (KDA) in the western margin of the Yangtze platform, is one of the most economically significant REE mine...
Long time-series of chemical and isotopic compositions of Vesuvius fumaroles: evidence for deep and shallow processes
Chemical and isotopic composition mount Vesuvius jet orifice
2015/8/27
Long time-series of chemical and isotopic compositions of Vesuvius fumaroles were acquired in the framework of the volcanic surveillance in the 1998-2010 period. These allow the identification of proc...
Isotopic compositions of asteroidal liquid water trapped in fluid inclusions of chondrites
fluid inclusion hydrogen isotope oxygen isotope asteroid water
2017/4/11
Determination of isotopic composition of extraterrestrial liquid water provides important information regarding the
origin of water on Earth and the terrestrial planets. Fluid inclusions in halite of...
East-west mantle geochemical hemispheres constrained from Independent Component Analysis of basalt isotopic compositions
mantle isotope domain basalt supercontinent
2017/4/11
In order to decipher the mantle geochemical heterogeneity that reflects material differentiation and circulation within
the Earth, we examined mid-ocean ridge basalts (MORB), ocean island basalts (OI...
Stepwise combustion analyses of distinct nitrogen isotopic compositions on Paleoproterozoic organic matter
nitrogen isotopic composition Paleoproterozoic stepwise combustion method kerogen Gunflint Formati
2017/4/11
Nitrogen isotopic analyses were conducted on two kerogenous samples from the Gunflint Formation (ca. 1.9 Ga)
using the stepwise combustion technique to evaluate a potential analytical problem for the...
Carbon isotopic compositions of fatty acids from the Japan Sea and their inferred terrestrial palaeoenvironment in Late Pleistocene
carbon isotopic compositions (δ13C) fatty acids
2017/4/12
Abundance and carbon isotopic composition (δ13C) of monocarboxylic fatty acids (n-FA) and n-alkanes in sediments
spanning the last 24 kyrs from the southeastern Oki Trough, Japan Sea (core KT96-17, P...
Elemental and Sr–Nd isotopic compositions of Cenozoic sedimentary rocks from the Dongying Sag of Jiyang depression, North China: Implications for provenance evolution
provenance Dongying Sag Jiyang depression
2017/4/12
Major, trace element and Sr–Nd isotopic compositions of Cenozoic sedimentary rocks from the Dongying Sag and the
Zhanhua Sag, Jiyang Depression, provide evidence for provenance evolution and paleogeo...
Compound-specific stable carbon and hydrogen isotopic compositions of n-alkanes in urban atmospheric aerosols from Tokyo
δD, δ13C, n-alkane urban aerosols Tokyo
2017/8/9
Stable carbon (δ13C) and hydrogen (δD) isotopic compositions of n-alkanes in total suspended particles from Tokyo were measured to decipher their source and transport in the polluted urban atmosphere....
Dicarboxylic acids, metals and isotopic compositions of C and N in atmospheric aerosols from inland China: implications for dust and coal burning emission and secondary aerosol formation
Dicarboxylic acids C N atmospheric aerosols inland China dust and coal burning emission secondary aerosol formation
2010/8/16
Dicarboxylic acids (C2–C10), metals, elemental carbon (EC), organic carbon (OC), and stable isotopic compositions of total carbon (TC) and total nitrogen (TN) were determined for PM10 samples collecte...
Unusually negative nitrogen isotopic compositions (δ15N) of mangroves and lichens in an oligotrophic,microbially-influenced ecosystem
negative nitrogen isotopic compositions mangroves lichens microbially-influenced ecosystem
2010/1/18
Extremes in δ15N values in mangrove tissues and lichens (range =+4 to −22‰) were measured from a mangrove forest ecosystem located on Twin Cays, offshore islands in Belize, Central America. The ...
Grain size effect on Sr and Nd isotopic compositions in eolian dust: Implications for tracing dust provenance and Nd model age
eolian dust Sr and Nd isotope Nd model age grain size effect isotopic tracing
2017/8/9
Strontium (Sr) and neodymium (Nd) isotopic compositions enable identification of dust sources and reconstruction of atmospheric dispersal pathways. The Sr and Nd isotopic compositions in eolian dust c...
U-Pb zircon SHRIMP ages,geochemical and Sr-Nd isotopic compositions of the Early Cretaceous I-type Sarıosman pluton,Eastern Pontides,NE Turkey
SHRIMP dating Sarı osman pluton mineral chemistry I-type Sr-Nd isotope geochemistry eastern Pontides
2010/1/11
The petrogenesis and U-Pb SHRIMP zircon ages of the Late Cretaceous Sarıosman pluton in the Eastern Pontides is investigated by means of whole-rock Sr-Nd isotope data with field, petrographic and...
Elemental and Sr-Nd-Pb isotopic compositions of late Cenozoic Abaga basalts, Inner Mongolia: Implications for petrogenesis and mantle process
geochronology geochemistry Abaga basalts late Cenozoic Inner Mongolia
2017/8/10
The Abaga volcanic field is one of the largest and least known areas of late Cenozoic intraplate igneous activities in eastern China. Twenty-seven Abaga basaltic rocks were analyzed for major and trac...
Reconstruction of the biogeochemistry and ecology of photoautotrophs based on the nitrogen and carbon isotopic compositions of vanadyl porphyrins from Miocene siliceous sediments
Reconstruction biogeochemistry ecology photoautotrophs isotopic compositions
2010/1/15
We determined both the nitrogen and carbon isotopic compositions of various vanadyl alkylporphyrins isolated from siliceous marine sediments of the Onnagawa Formation (middle Miocene, northeastern Jap...
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U-Pb isotopic compositions of the ultrahighn pressure metamorphic (UHPM) rocks from Shuanghe and gneisses from Northern Dabie zone in the Dabie Mountains, central China: Constraint on the exhu...