Goldschmidt Abstracts最新文献

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Experimental Investigations of Boron Isotopic Fractionation during Incorporation into Calcium Carbonate 碳酸钙掺入过程中硼同位素分馏的实验研究
Goldschmidt Abstracts Pub Date : 2020-01-01 DOI: 10.46427/gold2020.1975
Ryuzo Ogawa, T. Ohno, Y. Fukami, Katsuhiko Suzuki
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引用次数: 0
Release of Trace Metals during Wildfires 野火中微量金属的释放
Goldschmidt Abstracts Pub Date : 2020-01-01 DOI: 10.46427/gold2020.1150
C. Isley, M. Taylor
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引用次数: 0
Determining the Rate of Microbially-Mediated Pyrrhotite Dissolution Using Integrated Geochemical, Magnetic, and Genomic Analyses 利用综合地球化学、磁性和基因组分析确定微生物介导的磁黄铁矿溶解速率
Goldschmidt Abstracts Pub Date : 2020-01-01 DOI: 10.46427/gold2020.1040
K. Hobart, J. Feinberg, Daniel S. Jones, J. Bailey
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引用次数: 0
U(VI) Reduction in an Oligotrophic Ferruginous Ocean Analog? 贫营养含铁海洋模拟物的U(VI)还原?
Goldschmidt Abstracts Pub Date : 2020-01-01 DOI: 10.46427/gold2020.2221
S. Romaniello, G. Gilleaudeau, E. Swanner, C. Wittkop, Xinming Chen
{"title":"U(VI) Reduction in an Oligotrophic Ferruginous Ocean Analog?","authors":"S. Romaniello, G. Gilleaudeau, E. Swanner, C. Wittkop, Xinming Chen","doi":"10.46427/gold2020.2221","DOIUrl":"https://doi.org/10.46427/gold2020.2221","url":null,"abstract":"","PeriodicalId":12817,"journal":{"name":"Goldschmidt Abstracts","volume":"113 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79837449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tracing Dissolved Trace Elements from Source to Sink: Spatio-Temporal Variability and Baseline Concentrations in Ganges River to Judge Future Changes 从源到汇追踪溶解微量元素:恒河中时空变化和基线浓度判断未来变化
Goldschmidt Abstracts Pub Date : 2020-01-01 DOI: 10.46427/gold2020.224
S. Boral, I. Sen
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引用次数: 0
Lead in Water and Soil: Education and Assessment Involving Vermont Middle and High School Students 水和土壤中的铅:涉及佛蒙特州中学生和高中生的教育和评估
Goldschmidt Abstracts Pub Date : 2020-01-01 DOI: 10.46427/gold2020.2061
N. Perdrial, Sandra L. Walser, Christine Massey, P. Bierman
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引用次数: 0
Volcanic Evolution of the Kauaʻi Shield, Northern Hawaiian Islands 北夏威夷群岛考阿伊岛地盾的火山演化
Goldschmidt Abstracts Pub Date : 2020-01-01 DOI: 10.46427/gold2020.2873
N. Williamson, D. Weis, J. Scoates
{"title":"Volcanic Evolution of the Kauaʻi Shield, Northern Hawaiian Islands","authors":"N. Williamson, D. Weis, J. Scoates","doi":"10.46427/gold2020.2873","DOIUrl":"https://doi.org/10.46427/gold2020.2873","url":null,"abstract":"a complex geological history [1] that is different from the typical paired-volcano configuration of the younger Hawaiian Islands. Kaua‘i appears to consist of a single volcanic centre with an unusually large caldera and a gravity anomaly offset from this caldera to the east [1,2,3] . Previous studies of Kaua‘i shield-stage geochemistry have shown that lavas in the west part of the island have an isotopic composition distinct from those in the east (Kea vs. Loa) and that these compositions are geographically flipped relative to those on the younger Hawaiian Islands [e.g., 4,5] . To gain insight into the relationship between the geology and geochemistry of Kaua‘i shield lavas, 44 new samples were analysed for major element oxide and trace element concentrations and for Pb-Sr-Nd-Hf isotopic compositions, 90 olivine compositions were measured in nine samples, and 10 samples were dated by 40 Ar/ 39 Ar geochronology. The results show a change in geochemistry and olivine composition from west to east that coincides with an age progression from older to younger. West N ā pali is older and has a Kea-like composition, whereas east N ā pali is younger and is Loa-like; the geographically central units (Olokele and Makaweli) are transitional in both chemistry and age. Thus, the west and east portions of the N ā pali shield-stage volcanic unit formed at different times and sample different heterogeneities in the mantle source. These results have important implications for the sequence of geologic events on Kaua‘i.","PeriodicalId":12817,"journal":{"name":"Goldschmidt Abstracts","volume":"141 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80127578","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Elevated Concentrations of Gaseous Elemental Mercury in Air and Surface Soil in the Historical Silver Mining Region, Guanajuato, Mexico 墨西哥瓜纳华托历史银矿地区空气和表层土壤中气态元素汞浓度升高
Goldschmidt Abstracts Pub Date : 2020-01-01 DOI: 10.46427/gold2020.1637
Ainsleigh Loria, Yann René Ramos Arroyo, Diana Rocha, G. Cruz-Jiménez, Catalina Alfaro de la Torre, S. Guerrero, Feiyue Wang
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引用次数: 0
Isotope Effects of Water Adsorption at the Mineral Interface 矿物界面水吸附的同位素效应
Goldschmidt Abstracts Pub Date : 2020-01-01 DOI: 10.46427/gold2020.1062
J. Horita, Changjie Liu
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引用次数: 0
A Review on Chromite Occurrences in India-Its Genesis, Economic Importance and Mining Issues 印度铬铁矿赋存概况——成因、经济意义及开采问题
Goldschmidt Abstracts Pub Date : 2020-01-01 DOI: 10.46427/gold2020.2065
Sunder Raju Perumala Venkata
{"title":"A Review on Chromite Occurrences in India-Its Genesis, Economic Importance and Mining Issues","authors":"Sunder Raju Perumala Venkata","doi":"10.46427/gold2020.2065","DOIUrl":"https://doi.org/10.46427/gold2020.2065","url":null,"abstract":"","PeriodicalId":12817,"journal":{"name":"Goldschmidt Abstracts","volume":"399 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80229108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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