Chemical reactions between carbonates and pyrolite mantle and the origin of ultra-deep diamonds

碳酸盐与叶熔岩地幔之间的化学反应以及超深金刚石的起源

基本信息

项目摘要

Despite the number of studies performed at conditions of the Earth's mantle, very little (if something at all) is known about the carbon solubility and/or carbon-silicon substitution in major lower mantle silicates - bridgmanite (the most abundant mineral in the Earth) and CaSiO3 perovskite. Our and other groups investigations (in framework of the first funding period) of carbonate's behaviour at high pressures and temperatures reveal the formation of numerous compounds containing CO4-units. These works pointed out drastic changes in the crystal chemistry of carbonates above approximately 70 GPa and 2000 K. The novel observations on silica and carbon-bearing systems strongly suggest carbon may possibly be incorporated in Mg-, Fe-, Al-bearing or Ca-silicate perovskites, or even form silicate-carbonate phase(s) in the lowermost part of the lower mantle, and maybe in other regions of the Earth in its earlier stages of formation, when temperatures were higher. One of the major aims of this project is therefore the experimental investigation of possible carbon incorporation in (Mg,Fe)(Si,Al)O3 (bridgmanite) and CaSiO3 perovskite and/or the formation of complex compounds, containing both CO4 and SiO6 groups, at conditions of Earth's lower mantle. If carbon can really dissolve into silicate perovskites, it would have a major impact on our understanding of the deep carbon cycle, possible deep carbon reservoirs, and processes which may be capable of recycling a big amount of carbon deep inside the Earth.
尽管在地球地幔条件下进行了大量研究,但对主要下地幔硅酸盐中的碳溶解度和/或碳-硅取代知之甚少(如果有的话)- bridgmanite(地球上最丰富的矿物)和CaSiO 3钙钛矿。我们和其他小组(在第一个供资期的框架内)对碳酸盐在高压和高温下的行为进行的研究表明,形成了许多含有CO 4单位的化合物。这些工作指出了大约70 GPa和2000 K以上碳酸盐晶体化学的急剧变化。对含硅和含碳系统的新观察强烈表明,碳可能掺入含Mg、Fe、Al或Ca的硅酸盐钙钛矿中,甚至在下地幔的最下部形成硅酸盐-碳酸盐相,并且可能在地球的其他地区形成早期阶段,当温度较高时。因此,该项目的主要目的之一是实验研究在地球下地幔条件下,(Mg,Fe)(Si,Al)O3(硼镁石)和CaSiO 3钙钛矿中可能的碳结合和/或含有CO 4和SiO 6基团的复杂化合物的形成。如果碳真的可以溶解到硅酸盐钙钛矿中,这将对我们理解深层碳循环,可能的深层碳库以及可能能够在地球深处回收大量碳的过程产生重大影响。

项目成果

期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)

数据更新时间:{{ journalArticles.updateTime }}

{{ item.title }}
{{ item.translation_title }}
  • DOI:
    {{ item.doi }}
  • 发表时间:
    {{ item.publish_year }}
  • 期刊:
  • 影响因子:
    {{ item.factor }}
  • 作者:
    {{ item.authors }}
  • 通讯作者:
    {{ item.author }}

数据更新时间:{{ journalArticles.updateTime }}

{{ item.title }}
  • 作者:
    {{ item.author }}

数据更新时间:{{ monograph.updateTime }}

{{ item.title }}
  • 作者:
    {{ item.author }}

数据更新时间:{{ sciAawards.updateTime }}

{{ item.title }}
  • 作者:
    {{ item.author }}

数据更新时间:{{ conferencePapers.updateTime }}

{{ item.title }}
  • 作者:
    {{ item.author }}

数据更新时间:{{ patent.updateTime }}

Professor Dr. Leonid Dubrovinsky其他文献

Professor Dr. Leonid Dubrovinsky的其他文献

{{ item.title }}
{{ item.translation_title }}
  • DOI:
    {{ item.doi }}
  • 发表时间:
    {{ item.publish_year }}
  • 期刊:
  • 影响因子:
    {{ item.factor }}
  • 作者:
    {{ item.authors }}
  • 通讯作者:
    {{ item.author }}

{{ truncateString('Professor Dr. Leonid Dubrovinsky', 18)}}的其他基金

Super-Earth's Mantle Forming Materials at Static Pressures over 500 GPa and High Temperatures
超过 500 GPa 的静压和高温下超级地球的地幔形成材料
  • 批准号:
    329508115
  • 财政年份:
    2017
  • 资助金额:
    --
  • 项目类别:
    Research Units
Light elements in the core of a habitable Earth
宜居地球核心的轻元素
  • 批准号:
    276313641
  • 财政年份:
    2015
  • 资助金额:
    --
  • 项目类别:
    Priority Programmes
Elasticity or iron and iron-based alloys at conditions of the Earth`s and planetary cores
地球和行星核心条件下的铁和铁基合金的弹性
  • 批准号:
    139716461
  • 财政年份:
    2009
  • 资助金额:
    --
  • 项目类别:
    Priority Programmes
Mineralogy and Chemistry of Earth`s core (MCEC) (FP 08)
地核矿物学和化学 (MCEC) (FP 08)
  • 批准号:
    18592059
  • 财政年份:
    2006
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Synthesis and in-situ characterization of boron-doped superhard nanodiamond materials
硼掺杂超硬纳米金刚石材料的合成及原位表征
  • 批准号:
    24757086
  • 财政年份:
    2006
  • 资助金额:
    --
  • 项目类别:
    Priority Programmes
Ultrahigh-pressure mineralogy of the MgO-FeO-CaO-Al2O3-SiO2 system at Earth`s lower mantle conditions
地球下地幔条件下 MgO-FeO-CaO-Al2O3-SiO2 系统的超高压矿物学
  • 批准号:
    5362850
  • 财政年份:
    2002
  • 资助金额:
    --
  • 项目类别:
    Research Grants

相似海外基金

Establishment of solid-state particle bonding technology using the interaction between ultrafast deformation and chemical reactions, and its scientific principles
利用超快形变与化学反应相互作用建立固态颗粒键合技术及其科学原理
  • 批准号:
    23H01721
  • 财政年份:
    2023
  • 资助金额:
    --
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Comprehensive screening of drug-binding proteins using a detection method for their interactions based on chemical reactions between reactive peptide tags
使用基于反应性肽标签之间的化学反应的相互作用检测方法来全面筛选药物结合蛋白
  • 批准号:
    18K05348
  • 财政年份:
    2018
  • 资助金额:
    --
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Mechanistic underpinnings of biological oxidative processes: Chemical, computational and genetic analysis of reactions between metalloproteins and redox signalling molecules
生物氧化过程的机制基础:金属蛋白和氧化还原信号分子之间反应的化学、计算和遗传分析
  • 批准号:
    1530-2013
  • 财政年份:
    2017
  • 资助金额:
    --
  • 项目类别:
    Discovery Grants Program - Individual
Mechanistic underpinnings of biological oxidative processes: Chemical, computational and genetic analysis of reactions between metalloproteins and redox signalling molecules
生物氧化过程的机制基础:金属蛋白和氧化还原信号分子之间反应的化学、计算和遗传分析
  • 批准号:
    1530-2013
  • 财政年份:
    2015
  • 资助金额:
    --
  • 项目类别:
    Discovery Grants Program - Individual
Mechanistic underpinnings of biological oxidative processes: Chemical, computational and genetic analysis of reactions between metalloproteins and redox signalling molecules
生物氧化过程的机制基础:金属蛋白和氧化还原信号分子之间反应的化学、计算和遗传分析
  • 批准号:
    1530-2013
  • 财政年份:
    2014
  • 资助金额:
    --
  • 项目类别:
    Discovery Grants Program - Individual
Fundamental studies of (photo)chemical reactions at atmospheric interfaces: bridging the gap between nano-scale and macroscale atmospheric chemistry
大气界面(光)化学反应的基础研究:弥合纳米尺度和宏观大气化学之间的差距
  • 批准号:
    217091-2010
  • 财政年份:
    2014
  • 资助金额:
    --
  • 项目类别:
    Discovery Grants Program - Individual
Mechanistic underpinnings of biological oxidative processes: Chemical, computational and genetic analysis of reactions between metalloproteins and redox signalling molecules
生物氧化过程的机制基础:金属蛋白和氧化还原信号分子之间反应的化学、计算和遗传分析
  • 批准号:
    1530-2013
  • 财政年份:
    2013
  • 资助金额:
    --
  • 项目类别:
    Discovery Grants Program - Individual
Fundamental studies of (photo)chemical reactions at atmospheric interfaces: bridging the gap between nano-scale and macroscale atmospheric chemistry
大气界面(光)化学反应的基础研究:弥合纳米尺度和宏观大气化学之间的差距
  • 批准号:
    217091-2010
  • 财政年份:
    2013
  • 资助金额:
    --
  • 项目类别:
    Discovery Grants Program - Individual
Dynamic Change of Interfacial Tension between Liquid Fe Alloy and Molten Slag Induced by Chemical Reactions
化学反应引起液态铁合金与熔渣界面张力的动态变化
  • 批准号:
    25289269
  • 财政年份:
    2013
  • 资助金额:
    --
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Fundamental studies of (photo)chemical reactions at atmospheric interfaces: bridging the gap between nano-scale and macroscale atmospheric chemistry
大气界面(光)化学反应的基础研究:弥合纳米尺度和宏观大气化学之间的差距
  • 批准号:
    217091-2010
  • 财政年份:
    2012
  • 资助金额:
    --
  • 项目类别:
    Discovery Grants Program - Individual
{{ showInfoDetail.title }}

作者:{{ showInfoDetail.author }}

知道了