Field work, Isua, Greenland (IMAGE)

University of Oxford

Field work, Isua, Greenland

Caption

Samples were extracted along transects to compare the difference between 3.5 billion year old igneous intrusions, and the surrounding rock which the researchers have shown holds a record of the 3.7 billion year old magnetic field. Credit: Claire Nichols. 

 

Credit

Claire Nichols.

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