Natural Thermoluminescence Levels in Antarctic Meteorites and Related Studies
Natural Thermoluminescence Levels in Antarctic Meteorites and Related Studies
批准号:
9115521
负责人:
Derek Sears
金额:
$8.92万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1992
资助国家:
美国
项目状态:
已结题
起止时间:
1992-05-01 至 1995-10-31
中文摘要
该奖项是与美国宇航局共同资助的, 天然热释光水平的系统测量 在合适的南极陨石中。 由于天然 热释光是辐射和热的函数 历史,它的测量使部分评估的问题, 关于陨石的起源以及如何选择 重要的陨石进行详细研究。 一些 要研究的陨石经历了最小的暴露, 宇宙射线(那些与26铝不饱和),因此 非常有趣。 该项目旨在帮助 阐明天然热释光产生系统, 改进对地球化学分析结果的解释, 陨石
英文摘要
This award, which is jointly funded with NASA, supports the systematic measurement of the natural thermoluminescence levels in suitable Antarctic meteorites. Since natural thermoluminescence is a function of radiation and thermal history, its measurement enables partial assessment of questions relating to the origin of the meteorites and how to choose significant meteorites for detailed study. Some of the meteorites to be studied have experienced minimal exposure to cosmic rays (those that are undersaturated with 26Al) and thus are extremely interesting. This project is designed to help clarify natural thermoluminescence production systematics and to improve interpretation of the results of geochemical analyses of meteorites.
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REU Site: New Frontiers: Research Experience for Undergraduates in the Space and Planetary Sciences
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批准号:0138942
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项目类别:Standard Grant
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资助金额:$21.08万
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财政年份:2002
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负责人:Derek Sears
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依托单位:
Establishment of the Arkansas-Oklahoma Center of Instrumentation and Science for Planetary Surfaces
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批准号:0083095
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项目类别:Standard Grant
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资助金额:$74.63万
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财政年份:2000
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负责人:Derek Sears
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依托单位:
US-UK Cooperative Research: In Situ Oxygen Isotope Measurements in Chondrules from Meteorites
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批准号:9722882
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项目类别:Continuing Grant
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资助金额:$2.1万
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财政年份:1997
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负责人:Derek Sears
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依托单位:
Natural Thermoluminescence Levels in Antarctic Meteorites and Related Studies
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批准号:8817569
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项目类别:Continuing Grant
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资助金额:$9.97万
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财政年份:1989
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负责人:Derek Sears
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依托单位:
Natural Thermoluminescence Levels in Antarctic Meteorites and Related Studies
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批准号:8613998
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项目类别:Continuing Grant
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资助金额:$5.35万
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财政年份:1987
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负责人:Derek Sears
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依托单位:
US-United Kingdom Cooperative Research: Secondary Alteration Processes in Primitive Type 3 Ordinary Chondrite Meteorites.
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批准号:8612744
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项目类别:Standard Grant
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资助金额:$0.98万
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财政年份:1987
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负责人:Derek Sears
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依托单位:
海外基金