Sentences with phrase «glaciation events»

"Glaciation events" refer to periods in the Earth's history when large portions of land were covered by massive ice sheets or glaciers. These events occurred over millions of years and had a significant impact on shaping the planet's landscape. Full definition
The first Ediacaran to begin crawling around would have discovered a world devoid of predatory animals, with a seafloor covered either in thick bacterial mats or toxic sediment and, possibly, a climate thawing from a worldwide glaciation event known as «Snowball Earth.»
One of the extreme events, which has mystified scientists for long, took place 717 million years ago and is called «snowball Earth» — the largest glaciation event in history during which the planet was covered almost entirely in ice.
The period between was a period where oscillation of Climate was observed as variation of (much higher) sea levels rather than recurring glaciation events, for well over 200 Million years until the last ~ 3 Million.
«Genetic studies of Hermit Thrushes in North America have defined three different groups of subspecies, with major splits most likely occurring as a consequence of two glaciation events.
a b c d e f g h i j k l m n o p q r s t u v w x y z