A World-Wide 2.2-2.0 Ga-Old Positive δ13Ccarb Anomaly as a Phenomenon in Relation to the Earth's Major Palaeoenviromental Changes
V. A. Melezhik and A. E. Fallick
Geological Survey of Norway, Leiv Erikssons vei 39, Postboks 3006-Lade, 7002 Trondheim, Norway
Scottish Universities Research and Reactor Centre, East Kilbride, Glasgow G75 0QU, Scotland, U.K