Mass Spectormetric Studies of U-Th Series Isotopes in MORBs and Young Seamount Basalts
Mass Spectormetric Studies of U-Th Series Isotopes in MORBs and Young Seamount Basalts
批准号:
9204223
负责人:
Alan Zindler
金额:
$31.5万
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:
1992-06-01 至 1994-05-31
中文摘要
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英文摘要
The P.I.'s will continue the projects involving SIMS measurement of U-Th isotopes of oceanic basalts. They have selected two ridge segments, one from EPR and th other from MAR, with very different spreading rates for their study. Whereas the EPR segment is free of any hot spot or plume contamination, the MAR segment chosen has been effected by the Azores plume. The purpose of the proposed research is to evaluate the effects of the melting process (melt generation, magma transit times, fractional crystallization effects) and source characteristics using U-Th disequilibrium as a tool.
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批准号:9628083
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Renovation of the Carraway Building Research Facilities
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批准号:9415178
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资助金额:$61.0万
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财政年份:1995
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Technician Support for L-DGO Solid-Source Isotope Facility: Phase I
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批准号:9596060
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项目类别:Standard Grant
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资助金额:$1.08万
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财政年份:1994
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依托单位:
Os Isotopes in Ocean Island Basalts: An Investigation Aimed at Identifying Primary Mantle-Source Variations
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批准号:9596052
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项目类别:Continuing Grant
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资助金额:$7.24万
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财政年份:1994
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依托单位:
The Acquisition of a High Abundance Sensitivity Thermal Ionization Mass Spectrometer
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批准号:9406370
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项目类别:Standard Grant
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资助金额:$24.43万
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财政年份:1994
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依托单位:
Os Isotopes in Ocean Island Basalts: An Investigation Aimed at Identifying Primary Mantle-Source Variations
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批准号:9304582
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项目类别:Continuing Grant
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资助金额:$14.0万
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财政年份:1993
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负责人:Alan Zindler
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依托单位:
Technician Support for L-DGO Solid-Source Isotope Facility: Phase I
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批准号:9219933
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资助金额:$9.0万
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财政年份:1993
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依托单位:
Re-Os Systematics in the Earth's Mantle: Evidence from Mantle-Derived Basalts and Ultramafic Nodules
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批准号:9220004
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资助金额:$4.0万
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财政年份:1993
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依托单位:
Os Isotopic Investigations of Earth's Evolution
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资助金额:$4.5万
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财政年份:1992
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依托单位:
Os Isotopic Investigations of Earth's Evolution
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批准号:9019330
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项目类别:Standard Grant
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资助金额:$0.0万
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财政年份:1991
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依托单位:
Engineering Support for Mass Spectrometer Development: Phase II
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批准号:9105306
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资助金额:$10.0万
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依托单位:
Experimental Development of a Geochronometer Based on ESR- Detected Radiation-Induced Defects in Quartz: Collaborative Investigation Between FSU and L-DGO
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批准号:9007776
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项目类别:Standard Grant
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资助金额:$2.5万
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财政年份:1991
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负责人:Alan Zindler
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依托单位:
Mass Spectrometric Studies of U-Th Series Isotopes in MORBs and Young Seamount Basalts
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批准号:9000838
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项目类别:Continuing Grant
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资助金额:$14.17万
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财政年份:1990
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依托单位:
Engineering Support for Mass Spectrometer Development
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批准号:8916531
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项目类别:Standard Grant
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资助金额:$10.0万
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财政年份:1990
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依托单位:
Dynamics and Evolution of Magma Systems: Mass Spectrometry of U and Th Isotopes in Young Volcanics
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批准号:8916694
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项目类别:Continuing Grant
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资助金额:$36.04万
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财政年份:1990
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负责人:Alan Zindler
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依托单位:
Petrogenesis of the Lower Crust in a Collisional Zone: S. W. Norway
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批准号:8721037
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项目类别:Standard Grant
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资助金额:$0.0万
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财政年份:1988
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负责人:Alan Zindler
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依托单位:
Os Isotopic Investigations of Earth's Evolution
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批准号:8804401
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项目类别:Continuing grant
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资助金额:$0.0万
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财政年份:1988
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依托单位:
Acquisition of Triple-Focussing Mass Spectrometer with RIMS and SIMS Capabilities
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批准号:8713584
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项目类别:Continuing grant
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财政年份:1987
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依托单位:
Isotopic Studies of Pacific Seamounts and Selected Ridge Segments
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批准号:8711798
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项目类别:Continuing grant
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资助金额:$0.0万
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财政年份:1987
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负责人:Alan Zindler
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依托单位: