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Collaborative: Investigation of a new class of hydrothermal systems: The Lost City Hydrothermal Field: A Peridotite-hosted, Off-axis System at 30 degree N on the Mid-Atlantic Ridge

Collaborative: Investigation of a new class of hydrothermal systems: The Lost City Hydrothermal Field: A Peridotite-hosted, Off-axis System at 30 degree N on the Mid-Atlantic Ridge
合作:调查一类新型热液系统:失落之城热液场:位于大西洋中脊北纬 30 度的橄榄岩离轴系统
批准号:
0136816
负责人:
Jeffrey Karson
金额:
$31.39万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
2003
资助国家:
美国
项目状态:
已结题
起止时间:
2003-03-01 至 2006-02-28

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中文摘要
翻译
这是对最近发现的失落的城市喷口场地的调查,它位于大西洋中部山脊北纬30度的圆顶状的亚特兰蒂斯山丘上。与已知的所有海底热液气田不同的是,该气田位于1.5 Ma的地壳上,以陡峭的碳酸盐烟囱为主,并有明显的蛇纹岩橄榄岩出露。将进行详细的绘图和采样计划,以解决以下问题:重点关注喷口的构造和地质控制,喷口结构和流体的化学和同位素组成,微生物的指示和植物多样性,以及是否存在大型动物。
英文摘要
This is an investigation of the recently discovered Lost City Vent Field, atop the dome-like Atlantis Massif at 30 degrees north on the Mid-Atlantic Ridge. This field is different from all other known seafloor hydrothermal fields in that it is located on 1.5 Ma crust, is dominated by steep-sided carbonate chimneys, and is underlain by significiant exposures of serpentinized peridotite. A detailed mapping and sampling program will be conducted to address the following: the tectonic and geologic controls that focus venting, the chemical and isotopic compositions of the vent structures and fluids, the indicence and phylogentic diversity of microorganisms, and whether macrofauna exist.
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RAPID Investigation of Active Fissure Eruptions, Holuhraun, Iceland
  • 批准号:
    1505710
  • 项目类别:
    Standard Grant
  • 资助金额:
    $1.65万
  • 财政年份:
    2014
  • 负责人:
    Jeffrey Karson
  • 依托单位:
Rift Propagation, Transform Migration, and Microplate Tectonics in Iceland
  • 批准号:
    1153497
  • 项目类别:
    Standard Grant
  • 资助金额:
    $35.0万
  • 财政年份:
    2012
  • 负责人:
    Jeffrey Karson
  • 依托单位:
Structural control of hydrothermal flow: A comparison between the RIDGE2000 sites and the Iceland spreading centers
  • 批准号:
    0937393
  • 项目类别:
    Standard Grant
  • 资助金额:
    $15.94万
  • 财政年份:
    2009
  • 负责人:
    Jeffrey Karson
  • 依托单位:
Collaborative Research: Iceland Flexure Zones: Analogs for Mid-Ocean Ridge Spreading Centers
  • 批准号:
    0701422
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $0.0万
  • 财政年份:
    2007
  • 负责人:
    Jeffrey Karson
  • 依托单位:
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