Assessing the mode and fluctuations of Earth’s surface redox changes across and after the Great Oxidation Event using a unique set of Hamersley Basin iron formations, W-Australia
Assessing the mode and fluctuations of Earth’s surface redox changes across and after the Great Oxidation Event using a unique set of Hamersley Basin iron formations, W-Australia
批准号:
442738734
负责人:
Professor Dr. Ronny Schönberg, Ph.D.
金额:
$0.0万
依托单位国家:
德国
项目类别:
Research Grants
财政年份:
--
资助国家:
德国
项目状态:
未结题
起止时间:
中文摘要
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英文摘要
In this project we aim to further our understanding of the evolution of oxygen levels and ocean chemistry throughout the Paleoproterozoic, assess different modes of precipitation for iron formations and evaluate a changing environment for the evolution of complex life. We will investigate a unique set of iron formations from Western Australia, spanning a time from 2.42 Ga to 1.86 Ga across and beyond the Great Oxidation Event, for their redox potential. For this, we will combine field observations and petrography with state-of-the-art major and trace element measurements (including REE+Y analyses), and stable Mo- and Fe-isotope data.
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Coupled Cr and Mo isotope investigations of post-GOE Paleoproterozoic sediments: Testing the hypothesis of an oxygen overshoot in atmospheric O2 levels
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批准号:398425896
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项目类别:Infrastructure Priority Programmes
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资助金额:$0.0万
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财政年份:2018
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负责人:Professor Dr. Ronny Schönberg, Ph.D.
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依托单位:
Was the Great Oxidation Event a sharp or an oscillating build-up of free atmospheric oxygen? A combined S-Mo-Se isotope study of continuous drill core records through the Duitschland/ Rooihoogte and Timeball Hill Formations, Transvaal Basin, South Africa
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批准号:404683989
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项目类别:Priority Programmes
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资助金额:$0.0万
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财政年份:2018
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负责人:Professor Dr. Ronny Schönberg, Ph.D.
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依托单位:
Co-evolution of atmosphere-hydrosphere redox states and life at the end of the Lomagundi-Jatuli Event: A failed natural experiment for a prelude of the Cambrian Explosion of life?
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批准号:398445499
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项目类别:Research Grants
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资助金额:$0.0万
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财政年份:2018
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负责人:Professor Dr. Ronny Schönberg, Ph.D.
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依托单位:
Investigation of stable Cr isotopic fractionation during Earths silicate differentiation and reassessment of the accurate Bulk Silicate Earth delta53Cr value
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批准号:383556308
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项目类别:Research Grants
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资助金额:$0.0万
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财政年份:2017
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负责人:Professor Dr. Ronny Schönberg, Ph.D.
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依托单位:
Cr(III)-mobility and isotopic effects by adsorption on Mn- and Fe-(hydr-)oxides in the Critical Zone and in marine sediments: Doubts that Mesoarchean Cr isotopic variations directly record free atmospheric oxygen
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批准号:277010024
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项目类别:Priority Programmes
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资助金额:$0.0万
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财政年份:2015
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负责人:Professor Dr. Ronny Schönberg, Ph.D.
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依托单位:
Rekonstruktion der Redoxbedingungen während der Ablagerung der ca. 2,6 - 2,2 Millarden Jahre alten Griqualand West und Transvaal Beckensedimente, Südafrika, anhand von Cr- und Mo-Isotopenvariationen in Karbonaten und Schwarzschiefern
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批准号:214490509
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项目类别:Research Grants
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资助金额:$0.0万
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财政年份:2012
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负责人:Professor Dr. Ronny Schönberg, Ph.D.
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依托单位:
Experimentelle Kalibration der Fraktionierungsfaktoren von Eisen-Isotopen zwischen silikatischen Schmelzen und Mineralen bei magmatischen Bedingungen
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批准号:5446628
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项目类别:Research Grants
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资助金额:$0.0万
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财政年份:2004
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负责人:Professor Dr. Ronny Schönberg, Ph.D.
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依托单位:
Changes in weathering, elemental cycling, bioproductivity and redox-conditions of shallow to deep marine environments during the Great Oxidation Episode
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批准号:543675433
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项目类别:Research Grants
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资助金额:$0.0万
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财政年份:--
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负责人:Professor Dr. Ronny Schönberg, Ph.D.
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依托单位:
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