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The Eoarchean legacy of Isua (Greenland) worth preserving for future generations

Nutman, Allen P.; Bennett, Vickie; Friend, C R L; Van Kranendonk, M J

Description

The Eoarchean (> 3600 Ma, or millions of years ago) folded and metamorphosed Isua supracrustal belt and the adjacent orthogneiss exposures of Greenland contain rare low deformation lenses that display some uniquelypreserved components of Earth's oldest rock record. These include world's oldest (but contested) stromatolites in dolomitic carbonates, conglomerates, pillow basalts demonstrating submarine eruption, slivers of upper mantle rocks, formation of earliest continental crust by multistage...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
URI: http://hdl.handle.net/1885/205395
Source: Earth-Science Reviews
DOI: 10.1016/j.earscirev.2019.102923

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