Proterozoic Crustal Evolution - Google Books

https://books.google.de/books?id=nHfwi-mXYgIC&pg=PA60&lpg=PA60&focus=viewport&hl=de#v=onepage&q&f=false

As a final product of the International Geological Correlation Program (IGCP) Project 217, this volume brings together significant advances in the understanding of Proterozoic crustal evolution. This IGCP Project focussed on nine research objectives: 1)…