GRGC: Dating and Correlation of Paleoclimate Proxy Records
GRGC: Dating and Correlation of Paleoclimate Proxy Records
批准号:
9405374
负责人:
Stein Jacobsen
金额:
$4.93万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1994
资助国家:
美国
项目状态:
已结题
起止时间:
1994-08-15 至 1996-01-31
中文摘要
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英文摘要
9405374 Jacobsen Project involves development of a high-precision 87Rb-86Sr dating technique applicable to both lavas and foraminifera. One objective is the evaluation of this method for leucite-bearing Italian volcanics by study of groundmass minerals and phenocrysts in historical lavas. A second is an evaluation of the disequilibrium dating method applied to both shallow and deep water samples containing forams from the Pacific, plus initial investigation using del 234U dating of forminiferal ooze in Toba Ash horizons. The ultimate goal is to provide precisely time-resolved climate proxy records to increase our ability to understand causes of cyclic variation in climate.
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会议论文
Ca Isotope Variations in Oceanic Basalts
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批准号:1144727
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项目类别:Continuing Grant
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资助金额:$35.21万
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财政年份:2012
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负责人:Stein Jacobsen
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依托单位:
EAGER: A Test for the Younger Dryas Impact Hypothesis
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批准号:1007367
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项目类别:Standard Grant
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资助金额:$8.04万
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财政年份:2010
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负责人:Stein Jacobsen
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依托单位:
EAGER: Recycled Carbonate-Rich Sediment in the Hawaiian Plume? Evidence from Ca Isotopes
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批准号:0951487
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项目类别:Standard Grant
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资助金额:$5.27万
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财政年份:2009
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负责人:Stein Jacobsen
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依托单位:
Technician Support: EPS TIMS Facility at Harvard (Phase II)
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批准号:0093652
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项目类别:Continuing Grant
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资助金额:$8.06万
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财政年份:2001
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负责人:Stein Jacobsen
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依托单位:
Acquisition of a Laser Ablation System for Inductively Coupled Plasma Mass Spectrometers (ICP-MS)
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批准号:0093645
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项目类别:Standard Grant
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资助金额:$7.44万
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财政年份:2001
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负责人:Stein Jacobsen
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依托单位:
CSEDI: Geochemical and Geodynamical Studies of Earth Evolution
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批准号:0112563
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项目类别:Standard Grant
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资助金额:$16.5万
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财政年份:2001
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负责人:Stein Jacobsen
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依托单位:
Technician Support: EPS-TIMS Facility at Harvard
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批准号:9616072
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项目类别:Standard Grant
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资助金额:$12.85万
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财政年份:1997
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负责人:Stein Jacobsen
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依托单位:
Osmium Isotopic Evolution of the Continental Crust
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批准号:9628195
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项目类别:Standard Grant
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资助金额:$12.0万
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财政年份:1996
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负责人:Stein Jacobsen
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依托单位:
Abundances of W and Mo in MORBs: Characterization of the Depleted Mantle Reservoir
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批准号:9633498
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项目类别:Standard Grant
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资助金额:$5.0万
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财政年份:1996
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负责人:Stein Jacobsen
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依托单位:
Secular Evolution in the Composition of the Mantle
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批准号:9506517
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项目类别:Continuing Grant
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资助金额:$21.96万
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财政年份:1996
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负责人:Stein Jacobsen
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依托单位:
Isotopic Evolution of Proterozoic Sediments and Seawater
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批准号:9418445
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项目类别:Standard Grant
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资助金额:$6.95万
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财政年份:1995
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负责人:Stein Jacobsen
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依托单位:
Isotopic Constraints on the Early History of the Earth
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批准号:9220020
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项目类别:Standard Grant
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资助金额:$20.0万
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财政年份:1993
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负责人:Stein Jacobsen
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依托单位:
Isotopic Evolution of Proterozoic Sediments and Seawater
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批准号:9118628
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项目类别:Continuing Grant
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资助金额:$25.82万
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财政年份:1992
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负责人:Stein Jacobsen
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依托单位:
Crust-Mantle Interaction in Highly Extended Continental Lithosphere
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批准号:9018580
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项目类别:Standard Grant
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资助金额:$16.0万
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财政年份:1991
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负责人:Stein Jacobsen
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依托单位:
Basin and Range Geoscientific Experiment
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批准号:8916886
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项目类别:Standard Grant
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资助金额:$15.7万
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财政年份:1990
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负责人:Stein Jacobsen
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依托单位:
Acquisition of an Inductively Coupled Plasma Mass Spectrometer
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批准号:8817206
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项目类别:Standard Grant
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资助金额:$15.0万
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财政年份:1989
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负责人:Stein Jacobsen
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依托单位:
Rare Earth Element and Isotopic Studies of Precambrian Chemical Sediments
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批准号:8904593
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项目类别:Continuing Grant
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资助金额:$10.89万
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财政年份:1989
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负责人:Stein Jacobsen
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依托单位:
Hydrothermal Activity in the Bushveld Complex: A Stable Isotope, Fluid Inclusion, and Petrological Study -- Collaborative Research
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批准号:8517479
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项目类别:Continuing Grant
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资助金额:$3.16万
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财政年份:1986
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负责人:Stein Jacobsen
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依托单位:
Presidential Young Investigator Award: Evolution of the Earth's Mantle
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批准号:8451172
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项目类别:Continuing Grant
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资助金额:$22.47万
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财政年份:1985
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负责人:Stein Jacobsen
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依托单位:
Neodymium and Strontium Isotopic Evolution of the Oceans
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批准号:8511912
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项目类别:Standard Grant
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资助金额:$8.15万
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财政年份:1985
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负责人:Stein Jacobsen
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依托单位:
海外基金