Metamorphism and Intrusion Chronology and Tectonic Evolution of the Central and Southern Transantarctic Mountains Using Sm-Nd Isotopes
Metamorphism and Intrusion Chronology and Tectonic Evolution of the Central and Southern Transantarctic Mountains Using Sm-Nd Isotopes
批准号:
9318838
负责人:
Donald DePaolo
金额:
$13.45万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1994
资助国家:
美国
项目状态:
已结题
起止时间:
1994-03-01 至 1998-02-28
中文摘要
9318838 DEPAOLO该奖项是为了支持一个为期三年的项目,该项目使用钐钕(Sm/Nd)定年法确定了一个高精度的年代框架,用于研究横贯南极山脉的晚元古代和早古生代的深成岩作用、变形和变质作用。 测量将在专门为此目的在五个野外季节收集的岩石样品的子集上进行。 由于最近测量精度的提高,预计钐钕法将产生精确的年龄。 拟议的工作完全是一个实验室分析项目,不涉及额外的实地工作。 ***
英文摘要
9318838 DEPAOLO This award is for support of a three year program to use the Samarium Neodymium (Sm/Nd) dating method to determine a high precision chronological framework for the Late Proterozoic and Early Paleozoic plutonism, deformation and metamorphism in the Transantarctic Mountains. The measurements will be performed on a subset of rock samples collected over five field seasons specifically for this purpose. The Samarium Neodymium method is expected to yield precise ages as a result of recent improvements in measurement precision. The work proposed is entirely a laboratory analytical project with no additional field work involved. ***
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海外基金