Reappraisal of purported ca. 3.7 Ga stromatolites from the Isua Supracrustal Belt (West Greenland) from detailed chemical and structural analysis

The biogenicity of proposed stromatolite structures from Eoarchean (ca. 3.71 Ga) rocks of the Isua Supracrustal Belt (ISB) in West Greenland is under debate. The structures in question are found within a suite of multiply deformed greenschist- to amphibolite-facies metamorphic rocks. To assess their...

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Détails bibliographiques
Auteurs principaux: Zawaski, MJ, Kelly, NM, Orlandini, OF, Nichols, CIO, Allwood, AC, Mojzsis, SJ
Format: Journal article
Langue:English
Publié: Elsevier 2020