Geological background
The Isua Supracrustal Belt (ISB) in SW Greenland is one of few Eoarchean supracrustal terranes on Earth. Metamorphosed volcanic, hypabyssal and plutonic rocks as well as sediments are exposed along the ~30 km long arcuate…
Preserved carbon isotope compositions in 3.7 billion year old detrital organic matter from the Isua Supracrustal Belt
