Latest Rodinia Stories
Two studies show that the movement rate of plates carrying the Earth's crust may not be constant over time.
While we never managed to find the lost city of Atlantis, an international group of scientists has found evidence of an ancient lost micro-continent resting beneath two islands in the Indian Ocean.
The April/May GSA Today science article is now online at www.geosociety.org/gsatoday/.
All of Earth's continents, believed to have once been joined together as a supercontinent known as Pangaea, will be reunited as a single landmass near the North Pole within the next 50 million to 200 million years.
The Neoproterozoic is the third of three subdivisions of the Proterozoic Eon (occurring from 1 billion years ago to 542 million years ago). This terminal era of the Proterozoic is itself divided into three sub-periods called the Tonian, Cryogenian, and Ediacaran Periods. The most severe glaciation known in the geologic record occurred during the Cryogenian Period, when ice sheets reached the equator and formed a possible “Snowball Earth.” And the earliest fossils of multi-cellular life...
- an ornament or knob in the shape of a flower