SGER:Geochronology of Ross Sea Carbonates: Collaborative participation with the Italian National Antarctic Research Program CARBONANT Cruise 2002

SGER:罗斯海碳酸盐岩地质年代学:与意大利国家南极研究计划 CARBONANT Cruise 2002 合作参与

基本信息

  • 批准号:
    0202911
  • 负责人:
  • 金额:
    $ 3.44万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2001
  • 资助国家:
    美国
  • 起止时间:
    2001-12-01 至 2004-05-31
  • 项目状态:
    已结题

项目摘要

0202911HartThis award, provided by the Office of Polar Programs, allows a US investigator to join a marine geological research cruise (the CARBONANT project) sponsored by the Italian National Antarctic Research Program and to begin a new collaborative research project with Italian scientists. The project is to study Quaternary to recent biogenic carbonate production and sedimentation in the Ross Sea. Sediment facies enriched in biogenic carbonate are known from several portions of the Ross Sea continental shelf and slope, however, the content and distribution of these facies are incompletely known. In addition, the accumulation rates for these facies have never been documented. Shipboard work will provide an initial assessment of carbonate preservation and faunal content. Marine biogenic carbonates (e.g. mollusc shells, foraminifera) are important vectors for paleoclimatic and geochronologic information. Collections made during this cruise are intended for use as baseline for Ross Sea biogenic carbonate stable isotope and geochronologic data. Following the shipboard work, samples will be analyzed in the Amino Acid Dating Laboratory at INSTAAR at the University of Colorado. This lab will perform amino acid analysis on carbonate shelly fossils isolated from sediment samples collected on the CARBONANT cruise. Amino acid analysis is a useful geochronologic tool that has received only limited use in previous Antarctic geologic studies. This analytical method can discern fossil ages between modern and 5 million years before present. Amino acid analysis is best applied to biogenic carbonate (e.g. mollusc shells). Paired geochronologic analyses will be performed on single shell specimens including AMS radiocarbon and amino acid analysis. The use of paired analyses will enable calibration of amino acid racemization rates in Ross Sea sediments and an initial assessment of Ross Sea bottom water temperatures. The data collected through this project will be interpreted jointly with Italian researchers.
[0202911]该奖项由极地项目办公室提供,允许一名美国研究人员参加由意大利国家南极研究计划赞助的海洋地质研究巡航(CARBONANT项目),并开始与意大利科学家开展新的合作研究项目。该项目旨在研究罗斯海第四纪至近代生物碳酸盐岩的生产和沉积。在罗斯海陆架和陆坡的几个部分已知富含生物碳酸盐的沉积相,但这些沉积相的含量和分布尚不完全清楚。此外,这些相的成藏速率从未被记录过。船上工作将提供碳酸盐保存和动物含量的初步评估。海洋生物碳酸盐(如软体动物壳、有孔虫)是古气候和地质年代学信息的重要载体。在这次航行中收集的数据将用作罗斯海生物碳酸盐稳定同位素和地质年代学数据的基线。在船上工作之后,样本将在科罗拉多大学INSTAAR的氨基酸测年实验室进行分析。本实验室将对碳酸盐壳类化石进行氨基酸分析,这些化石是从“碳酸盐”号邮轮收集的沉积物样本中分离出来的。氨基酸分析是一种有用的地质年代学工具,在以前的南极地质研究中只得到有限的使用。这种分析方法可以分辨出现代和距今500万年之间的化石年代。氨基酸分析最适用于生物碳酸盐(如软体动物壳)。对单壳标本进行配对地质年代学分析,包括AMS放射性碳和氨基酸分析。配对分析的使用将使罗斯海沉积物中氨基酸消旋速率的校准和罗斯海海底水温的初步评估成为可能。通过该项目收集的数据将与意大利研究人员共同进行解释。

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)

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Charles Hart其他文献

Using Platelets to Identify Metabolic Hubs Associated with Pulmonary Hypertension Pathogenesis
  • DOI:
    10.1016/j.freeradbiomed.2021.12.120
  • 发表时间:
    2022-02-20
  • 期刊:
  • 影响因子:
    8.200
  • 作者:
    Matthew Ryan Smith;Aaron Trammell;Tamara Murphy;Jing Ma;Jane Gillespie;ViLinh Tran;Young-Mi Go;Roy Sutliff;Dean Jones;Charles Hart
  • 通讯作者:
    Charles Hart
Microplates, Assay Reagents, Screening Consumables, and Kits
  • DOI:
    10.1177/1087057113500121
  • 发表时间:
    2013-10-01
  • 期刊:
  • 影响因子:
  • 作者:
    Charles Hart
  • 通讯作者:
    Charles Hart
Chromosome 1 studies in Wilms' tumor.
维尔姆斯氏肿瘤的 1 号染色体研究。
  • DOI:
    10.1016/0165-4608(89)90031-9
  • 发表时间:
    1989
  • 期刊:
  • 影响因子:
    0
  • 作者:
    H. Mcdowell;P. Howard;John Martin;Charles Hart;J. Crampton
  • 通讯作者:
    J. Crampton
Metabolic Dysregulation in Group 3 Pulmonary Hypertension
第 3 组肺动脉高压中的代谢失调
  • DOI:
    10.1016/j.freeradbiomed.2023.10.216
  • 发表时间:
    2023-11-01
  • 期刊:
  • 影响因子:
    8.200
  • 作者:
    Matthew Ryan Smith;Aaron Trammell;Tamara Murphy;Young-Mi Go;Dean Jones;Charles Hart
  • 通讯作者:
    Charles Hart
Late Miocene paleoenvironment of the Lambert Graben embayment, East Antarctica, evident from: Mollusc paleontology, sedimentology and geochemistry
  • DOI:
    10.1016/j.gloplacha.2005.07.003
  • 发表时间:
    2006-04-01
  • 期刊:
  • 影响因子:
  • 作者:
    Jason M. Whitehead;Werner Ehrmann;David M. Harwood;Claus-Dieter Hillenbrand;Patrick G. Quilty;Charles Hart;Marco Taviani;Vanessa Thorn;Andrew McMinn
  • 通讯作者:
    Andrew McMinn

Charles Hart的其他文献

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