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ELEMIN SIGNED

How the earliest life on Earth became mineralized

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

ELEMIN project word cloud

Explore the words cloud of the ELEMIN project. It provides you a very rough idea of what is the project "ELEMIN" about.

carbonate ago marine mineralisation stage trace date truly knowing formed manifested yield 3 archives source redox combination hydrothermal stromatolite contrasting origin distinction dissolved signatures sediments incompletely ga time pristine prevailing dating mapping precipitated petrographic stromatolites differentiate indicative seawater backscatter mineralised submarine australia preservation phases neodymium environmental cradle suggested life weathering generations isotope microbial mineral diffraction either cements syn primary silica electron radiometric overprint ocean elemin models ancient history chemical suggesting local compositions depositional billion cement individual appearance reconstruct post physico habitats peculiar insights later chemistry site continental earliest pilbara earth proxies resolution

Project "ELEMIN" data sheet

The following table provides information about the project.

Coordinator	UNIVERSITAT WIEN Organization address address: UNIVERSITATSRING 1 city: WIEN postcode: 1010 website: www.univie.ac.at contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	Austria [AT]
Project website	https://fums-research.webnode.at/
Total cost	166˙156 €
EC max contribution	166˙156 € (100%)
Programme	1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
Code Call	H2020-MSCA-IF-2016
Funding Scheme	MSCA-IF-EF-ST
Starting year	2017
Duration (year-month-day)	from 2017-04-01 to 2019-09-14

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	UNIVERSITAT WIEN UNIVERSITAT WIEN Organization address address: UNIVERSITATSRING 1 city: WIEN postcode: 1010 website: www.univie.ac.at contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	AT (WIEN)	coordinator	166˙156.00

Map

Project objective

The appearance of microbial life on Earth is manifested by stromatolites in ~3.5 billion year (Ga) old marine sediments in Pilbara, Australia. The processes involved in the mineralisation and preservation of these earliest signatures of life remain incompletely understood. It has been observed that the stromatolites are mineralised by several generations of carbonate and silica phases, but when and how the different cement phases formed is under debate. Knowing the time and conditions of mineralisation of the stromatolites is necessary to evaluate whether the cements represent primary phases truly indicative of past environmental conditions or a post-depositional overprint. As some of the mineral phases have been suggested to represent reliable archives of ancient Pilbara seawater, they can be used to reconstruct the habitats of the earliest life on Earth. The goal of project ELEMIN is to reconstruct the syn- and post-depositional history of the Pilbara stromatolites and differentiate between primary and later-stage carbonate/silica mineral phases. High-resolution petrographic methods, such as electron backscatter diffraction mapping, in combination with radiometric isotope dating will be applied to date individual mineral phases and to identify pristine mineral phases that were directly precipitated from seawater ~3.5 Ga ago. Trace elements and neodymium isotope compositions of these pristine mineral phases yield detailed insights into the local physico-chemical conditions prevailing at the site of stromatolite growth, such as redox conditions and the source(s) of elements dissolved in Pilbara seawater. Both proxies trace the origin of elements to either continental weathering or to submarine hydrothermal systems. This distinction is essential as it allows us to evaluate contrasting models for early life, suggesting either a peculiar ocean chemistry or submarine hydrothermal systems as the cradle of life.

Publications

List of publications.
year	authors and title	journal	last update
2018	Katharina Schier, Michael Bau, Carsten MÃ¼nker, Nicolas Beukes, Sebastian Viehmann Trace element and Nd isotope composition of shallow seawater prior to the Great Oxidation Event: Evidence from stromatolitic bioherms in the Paleoproterozoic Rooinekke and Nelani Formations, South Africa published pages: 92-102, ISSN: 0301-9268, DOI: 10.1016/j.precamres.2018.07.014	Precambrian Research 315	2019-11-18
2019	Sebastian Viehmann, Simon V. Hohl, Dennis Kraemer, Michael Bau, Detlef H.G. Walde, Stephen J. Galer, Shao-Yong Jiang, Patrick Meister The reconstruction of Precambrian microbial habitats. published pages: , ISSN: , DOI:	Marie Curie Alumni Conference 2019	2019-11-18
2017	Katharina Schier, Michael Bau, Carsten MÃ¼nker, Nic Beukes, Sebastian Viehmann Declining importance of high-temperature hydrothermal input into shallow Transvaal seawater prior to the GOE. published pages: , ISSN: , DOI:	GeoBremen 2017	2019-11-18
2017	Sebastian Viehmann, Michael Bau, Bernhard BÃ¼hn, Elton L. Dantas, Fabio R.D. Andrade, Detlef HG. Walde Reconstruction of the Neoprotoerzoic Urucum habitat in the fate of severe glaciogenic epochs. published pages: , ISSN: , DOI:	GeoBremen 2017	2019-11-18
2019	Tobias Prost, Sebastian Viehmann, Simon V. Hohl, Nathalie Tepe, Shao-Yong Jiang, Patrick Meister The depositional environment of the Sturtian Fulu Iron Formation(China) published pages: , ISSN: , DOI:	EGU Conference 2019	2019-11-18
2017	Sebastian Viehmann, Michael Bau, Bernhard BÃ¼hn, Elton L. Dantas, Fabio Andrade, Detlef H.G. Walde Geochemical Reconstruction of the Neoproterozoic Urucum Habitat published pages: , ISSN: , DOI:	Goldschmidt Conference 2017	2019-11-18
2018	Simon V. Hohl, Sebastian Viehmann, Dennis Kraemer, Michael Bau, Detlef H.G. Walde, Stephen J.G. Galer, Shao-Yong Jiang, and Patrick Meister Cd isotopes record changes in biologic productivity of Mesoproterozoic stromatolites published pages: , ISSN: , DOI:	EGU Conference 2018	2019-11-18
2018	Sebastian Viehmann, Simon V. Hohl, Dennis Kraemer, Michael Bau, Detlef H.G. Walde, Stephen J. Galer, Shao-Yong Jiang, Patrick Meister The reconstruction of Mesoproterozoic microbial habitats during stromatolite formation. published pages: , ISSN: , DOI:	PanGeo 2018	2019-11-18
2019	Toni Schulz, Sebastian Viehmann, Dominik C. Hezel, Christian Koeberl Coupled Fe-Os isotope signatures in banded iron formations - decoding oxygenation history and the chemical evolution of Precambrian seawater. published pages: , ISSN: , DOI:	The first billion years - habitability	2019-11-18
2019	Sukanya Sengupta , Andreas Pack , Sebastian Viehmann Triple oxygen isotope study of manganese formations for the triple oxygen isotope composition of Precambrian air published pages: , ISSN: , DOI:	GeoMÃ¼nster 2019	2019-11-18
2019	Dennis Kraemer, Robert Frei, Sebastian Viehmann, Michael Bau Mobilization and isotope fractionation of chromium during water-rock interaction in presence of siderophores published pages: 44-54, ISSN: 0883-2927, DOI: 10.1016/j.apgeochem.2019.01.007	Applied Geochemistry 102	2019-11-18
2018	Chris S. Marien, Sebastian Viehmann, Axel Gerdes, Jonas Tusch, Martin van Kranendonk, Carsten MÃ¼nker Pristine 87Sr/86Sr isotope compositions of Paleo- and Mesoarchean seawater inferred from carbonate interstitials in pillow lavas from the Pilbara Craton, Western Australia. published pages: , ISSN: , DOI:	GeoBonn 2018	2019-11-18
2019	Stephan Schuth, Annika BrÃ¼ske, Simon V. Hohl, Shao-Yong Jiang, Daniel D. Gregory, Sebastian Viehmann, Stefan Weyer Vanadium Isotopes of the Yangtze River System, China published pages: , ISSN: , DOI:	Goldschmidt Conference 2019	2019-11-18
2018	Sebastian Viehmann, Simon V. Hohl, Dennis Kraemer, Michael Bau, Detlef H.G. Walde, Stephen J. Galer, Shao-Yong Jiang, Patrick Meister The reconstruction of Mesoproterozoic microbial habitats during stromatolite formation published pages: , ISSN: , DOI:	GeoBonn 2018	2019-11-18
2019	Simon V. Hohl, Sebastian Viehmann, Yibo Lin, Hai-Zhen Wei, Michael Steiner, Stephen J. G. Galer Use of Ba and Cd isotope systematics to reconstruct microbialite paleo-habitats and bio-productivity. published pages: , ISSN: , DOI:	Goldschmidt Conference 2019	2019-11-18
2019	Simon V. Hohl, Shao-Yong Jiang, Hai-Zhen Wei, Dao-Hui Pi, Qian Liu, Sebastian Viehmann, Stephen J.G. Galer Cd isotopes trace periodic (bio)geochemical metal cycling at the verge of the Cambrian animal evolution published pages: 195-214, ISSN: 0016-7037, DOI: 10.1016/j.gca.2019.07.036	Geochimica et Cosmochimica Acta 263	2019-11-18
2019	Stephan Schuth, Annika BrÃ¼ske, Simon V. Hohl, Shao-Yong Jiang, Ann-Katrin Meinhardt, Daniel D. Gregory, Sebastian Viehmann, Stefan Weyer Vanadium and its isotope composition of river water and seawater: Analytical improvement and implications for vanadium isotope fractionation published pages: 119261, ISSN: 0009-2541, DOI: 10.1016/j.chemgeo.2019.07.036	Chemical Geology 528	2019-11-18
2018	Sebastian Viehmann, Simon V. Hohl, Dennis Kraemer, Michael Bau, Detlef H.G. Walde, Stephen J. Galer, Shao-Yong Jiang, Patrick Meister The reconstruction of Mesoproterozoic microbial habitats during stromatolite formation. published pages: , ISSN: , DOI:	EGU Conference 2018	2019-11-18
2019	Michael Bau, Robert Frei, Dieter Garbe-Schoenberg, Sebastian Viehmann The Origin of Banding in BIFs: II. Cr Isotopes and Th/U in the Neoarchean Temagami IF, Canada published pages: , ISSN: , DOI:	Goldschmidt Conference 2019	2019-11-18
2019	Dennis Kraemer, Sebastian Viehmann, David Banks, Anjani D. Sumoondur, Christian Koeberl, Michael Bau Regional variations in fluid formation and metal sources in MVT mineralization in the Pennine Orefield, UK: Implications from rare earth element and yttrium distribution, Sr-Nd isotopes and fluid inclusion compositions of hydrothermal vein fluorites published pages: 960-972, ISSN: 0169-1368, DOI: 10.1016/j.oregeorev.2019.03.014	Ore Geology Reviews 107	2019-11-14
2019	Sebastian Viehmann, Simon V. Hohl, Dennis Kraemer, Michael Bau, Detlef H.G. Walde, Stephen J.G. Galer, Shao-Yong Jiang, Patrick Meister Metal cycling in Mesoproterozoic microbial habitats: Insights from trace elements and stable Cd isotopes in stromatolites published pages: 101-114, ISSN: 1342-937X, DOI: 10.1016/j.gr.2018.10.014	Gondwana Research 67	2019-11-14
2018	Sebastian Viehmann, Michael Bau, J. Elis Hoffmann, Carsten MÃ¼nker Decoupled Hf and Nd isotopes in suspended particles and in the dissolved load of Late Archean seawater published pages: 111-118, ISSN: 0009-2541, DOI: 10.1016/j.chemgeo.2018.01.017	Chemical Geology 483	2019-11-14

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