EESB15H3 Lecture Notes - Lecture 8: Kazakhstania, Caspian Sea, Baltica
15 Dec 2015
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Chapter 10 early paleozoic events (cambrian, ordovician, silurian) Cambrian period: 542 to 488 million years ago. Ordovician period: 488 to 447 million years ago. Silurian period: 447 to 416 million years ago. During this period, rodinia fragmented to form smaller continents, which the converged to form pangea: the smaller continents are: Laurentia (north america, parts of greenland, northwestern ireland and scotland), baltica (west. Caspian sea on the east and china on the west), siberia (mostly east. Malay peninsula) and gondwana (south america, africa, india, In north america, the mountain-building events are called the taconic, acadian, and allegheny orogenies. After rodinia broke up about 750 million years ago, laurentia drifted towards the. South pole and collided with what is now the west coast of chile. The continent drifted northward until it lay astride the equator. margin. Iapetus had opened and separated laurentia from baltica and siberia.
