Tarim Australia East Ant. Greater India Siberia Laurentia Baltica Amazonia West Africa Kalahari Rio de la Plata Congo- Sao Francisco North China Yangtze Cathaysia a. 1100 Ma b. 1050 Ma c. 1000 Ma Tarim Australia East Ant. Greater India Siberia Laurentia Baltica Amazonia West Africa Kalahari Rio de la Plata Congo- Sao Francisco North China Yangtze Cath- aysia Sahara Orogen Active margin Tarim Australia East Ant. Greater India Siberia Laurentia Baltica Amazonia West Africa Kalahari Rio de la Plata Congo- Sao Francisco North China Yangtze Cath- aysia Sahara