Known as the Snowball Earth hypothesis, it suggests that runaway cold temperatures launched a series of deep freezes that enveloped the world in glaciers. Now, scientists say those prehistoric ...

If the deglaciation of Snowball Earth occurred over a longer duration of ~10–30,000 years, it is possible that the sea level ...

This ancient period of deep freeze, known as the Neoproterozoic Era, or “Snowball Earth,” lasted from about 1 billion to 543 million years ago. During that time, landmasses consolidated into a ...

While zircons from this time period have not yet been studied, Halverson notes that previous studies of snowball Earth have tracked the presence of iron, neodymium, and osmium in the geologic record.