Possible Eoarchean Records of the Geomagnetic Field Preserved in the Isua Supracrustal Belt, Southern West Greenland

Possible Eoarchean Records of the Geomagnetic Field Preserved in the Isua Supracrustal Belt, Southern West Greenland Nichols, Claire IO; Weiss, Benjamin P; Eyster, Athena; Martin, Craig R; Maloof, Adam C; Kelly, Nigel M; Zawaski, Mike J; Mojzsis, Stephen J; Watson, E Bruce; Cherniak, Daniele J Recovering ancient records of Earth's magnetic field is essential for determining the role of the magnetosphere in protecting early Earth from cosmic radiation and atmospheric escape. We present paleomagne