机构

• 地质与地球物理研究所 [2]
• 烟台海岸带研究所 [1]

采集方式

• OAI收割 [3]

内容类型

• 期刊论文 [3]

发表日期

• 2022 [2]
• 2018 [1]

学科主题

筛选

浏览/检索结果: 共3条，第1-3条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Genetic discussion between the Triassic plutons and rare metal pegmatite in the Muji area from north section of the Western Kunlun, China. 期刊论文  OAI收割 ACTA PETROLOGICA SINICA, 2022, 卷号: 38, 期号: 7, 页码: 2003-2016 作者:  Zhu MingTian;  Dong ZhiGuo;  Zhang LianChang   |  收藏  |  浏览/下载：26/0  |  提交时间：2023/03/31 P anomaly  Volatile accumulation  Rare metal pegmatite  Triassic pluton  Western Kunlun orogenic belt   Volatile accumulation for the mineralization of Li-Be pegmatites in the northeastern Pamir, Western Kunlun, China 期刊论文  OAI收割 INTERNATIONAL GEOLOGY REVIEW, 2022, 页码: 18 作者:  Zhu, Mingtian;  Dong, Zhiguo;  Zhang, Lianchang   |  收藏  |  浏览/下载：54/0  |  提交时间：2022/07/19 P anomaly  volatile accumulation  Li-Be pegmatite  Western Kunlun   烟台夹河口外柱状沉积物还原性无机硫、活性铁的变化特征及其相互关系 期刊论文  OAI收割 海洋科学, 2018, 卷号: 42, 期号: 8, 页码: 90-97 作者:  姜明;  赵国强;  李兆冉;  盛彦清   |  收藏  |  浏览/下载：26/0  |  提交时间：2020/07/08 还原性无机硫  活性铁  深层柱状沉积物  硫化度  矿化度  Reduced inorganic sulfur  Reactive iron  Deep core sediments  Degree of pyritization  Degree of sulfidity  The distribution characteristics and coupling mechanism of reduced inorganic sulfur (RIS)and reactive iron in marine core sediments are closely related to the evolution of environment quality.In this study,an improved cold diffusion method and hydrochloric acid extraction method were applied to the acid-volatile sulfur (AVS),pyrite sulfur (CRS),elemental sulfur (ES),and reactive iron [Fe (Ⅱ)and Fe (III)] analyses.The distribution characteristics and coupling mechanism of S and Fe were investigated based on a core sediment 4 meters deep collected in the northern sea area of the mouth of Jiahe River,Yantai.The results showed that the RIS in sediments was dominated by CRS,followed by AVS and ES.The content of AVS presented a narrow range with depth,whereas the CRS and ES were higher at the top and bottom layers than the middle layer  reactive iron was dominated by Fe (II),which increased with depth,while Fe (Ⅲ)gradually decreased with depth.Most of the Fe (III)was reduced to the disssolved Fe(II),which was combined with the soluble H_2S of the sulfate-reducing bacteria to produce CRS and ES in the deep layer,resulting in their accumulation at the bottom of core sediments.Furthermore,this study showed that reactive iron was not a limiting factor for the accumulation of RIS with lower degree of pyritization and degree of sulfidity.