搜索结果: 1-15 共查到“地质学 elements”相关记录30条 . 查询时间(0.093 秒)
Platinum-Group Elements Geochemistry and Chromian Spinel Composition in Podiform Chromitites and Associated Peridotites from the Cheshmeh-Bid Deposit, Neyriz, Southern Iran: Implications for Geotectonic Setting
Cheshmeh-Bid Chromitite trace elements platinum-group elements boninitic magma supra-subduction zone
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2018/4/10
Dunite and serpentinized harzburgite in the Cheshmeh-Bid area, northwest of the Neyriz ophiolite in Iran, host podiform chromitite that occur as schlieren-type, tabular and aligned massive lenses of v...
Abundances of rare earth elements in crude oils and their partitions in water
rare earth elements crude oil partition coefficient NMR Junggar Basin
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2017/8/9
Patterns of the entire range of REE in crude oils and coexisting water, collected from mud volcanoes in Xinjiang Province of China, are reported here for the first time. Crude oils show light REE enri...
Simultaneous determination of 58 major and trace elements in volcanic glass shards from the INTAV sample mount using femtosecond laser ablation-inductively coupled plasma-mass spectrometry
volcanic glass tephra LA-ICP-MS element abundance femtosecond lasert
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2017/4/10
Four volcanic glass samples on the INternational focus group on Tephrochronology And Volcanism (INTAV) sample
mount described by Kuehn et al. (2011) were analyzed to establish a new methodology for m...
Contribution of Asian outflow to atmospheric concentrations of sulfate and trace elements in aerosols during winter in Japan
Asian outflow nonsea-salt sulfate trace elements sulfur isotopes coal combustion
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2017/4/11
The atmospheric concentrations of nonsea-salt (nss) SO4
2– and trace elements (As, Cd, Co, Cr, Cu, Mn, Ni, Pb, Sb, Se,
V, and Zn) were measured for aerosol samples collected concurrently at ten site...
Water–rock interactions and trace elements distribution in dolomite aquifers: The Sassolungo and Sella systems (Northern Italy)
groundwater carbonate minerals carbon dioxide trace elements isotopes
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2017/4/11
Water–rock interaction processes and trace elements distribution were studied in the Triassic dolomite aquifers of
Sassolungo and Sella group (Dolomite mountains, northern Italy). These systems consi...
Speciation of 38 elements in eight GSJ geochemical sedimentary reference materials determined using a sequential extraction technique
CR protocol geochemical reference material sequential extraction speciation
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2017/4/11
A sequential extraction procedure developed by the European Community Bureau of Reference (BCR) was applied to
eight sediment geochemical reference materials provided by the Geological Survey of Japa...
Sequential chemical extraction of arsenic and related elements from the Holocene sediments of Sonargaon, Bangladesh, in relation to formation of arsenic-contaminated groundwater
BCR method ferrihydrite goethite chlorite chemical weathering
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2017/4/11
The mineralogy and chemistry of aquifer sediments of As-contaminated groundwater in Sonargaon, Bangladesh were
analyzed to identify the host phases of As and to understand release mechanism of As int...
北京大学地空学院鲁安怀在《元素》（Elements）上负责出版矿物与微生物专辑（图）
北京大学 地空学院 鲁安怀 元素 Elements 出版 矿物 微生物 专辑
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2012/5/11
由北京大学地球与空间科学学院鲁安怀教授担任第一特邀主编的“Minerals, Microbes, and Remediation”主题专辑，最近由国际地学著名学术刊物《元素》（Elements）出版（2012年第2期，网址：http://elements.geoscienceworld.org/content/current）。该刊由国际矿物学协会和国际地球化学协会主办，并联合美、加、英、德、法和...
Contents, Enrichment, Toxicity and Baselines of trace elements in the estuarine and coastal sediments of the Daliao River System, China
estuary sediment trace element enrichment toxicity regional geochemical baseline
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2017/4/11
The Daliao River System (DRS) estuary in the Liaodong Bay has a highly industrial, urbanized, and agricultural
catchment. The objective of this study was to investigate the multi-elemental geochemist...
Enrichment of trace elements in ferromanganese concretions from terra rossa and their potential desorption
dolomite karst weathering terra rossa ferromanganese concretions simulated acid rain toxic element desorption
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2017/4/11
The distributions of trace elements in ferromanganese concretions (FMCs) and the surrounding terra rossa (TR) matrix
overlying dolomite have been examined to extend our understanding of their mobiliz...
The forms of plant nutrient elements in Australian native plant ash derived from several species and the incubation effects on soil
forms plant nutrient elements Australian native plant ash derived several species the incubation effects soil
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2012/3/30
Wildfires and prescribed fires burn many thousand of hectares of forest annually (Ulery et al., 1996). The intensity of forest burning is related to weather conditions, amount of fuel available and th...
The development of whole rock analysis of major and trace elements in XRF glass beads by fsLA-ICPMS in GSJ geochemical reference samples
bulk chemistry major and trace elements glass beads
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2017/4/12
Using laser-ablation inductively coupled plasma mass spectrometer (LA-ICPMS), we have improved the reliability of
the abundance data for trace-elements in geochemical samples using a glass bead ablat...
Dissolution processes of elements from subducting sediments into fluids: Evidence from the chemical composition of the Sanbagawa pelitic schists
element mobility subduction zones pelitic schists
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2017/4/12
In order to evaluate the dissolution processes of elements from subducting sediments into fluids during early stages of
metamorphism (up to oligoclase–biotite zone at about 30 km depth), the chemical...
Rare earth elements in the ornithogenic sediments from the Maritime Antarctic: A potential new palaeoecology proxy
Antarctica ornithogenic sediments rare earth elements
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2017/4/12
The ornithogenic sediments in the maritime Antarctic are good archives for studying the changes of historical penguin
population. Rare earth elements (REEs) along with biological and lithophile eleme...
Use of immobile trace elements for the correlation of Telychian bentonites on Saaremaa Island,Estonia,and mapping of volcanic ash clouds
bentonites K-bentonites Telychian correlation isopach schemes East Baltic
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2009/10/21
Thirty suspected altered volcanic ash (bentonite) samples from the Nässumaa-825 and Orissaare-859 sections were analysed by the X-ray fluorescence method. Twenty of these samples revealed chemica...