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PostPosted: 10/09/2017 9:21 pm    Post subject: ]Wholesale Rishard Matthews Jersey[/     Reply to topic

around 11 Wholesale Ben Jones Jersey ,000 years ago. The last glacial had peaked 20,000 year ago. The average global temperature back then was about 10F (5C) colder than it is now, and some regions were 40F (22C) colder than they are now.

Icehouse Earth
Ice ages are not normal, for the Earth has been ice-free for 85 percent of its history. The first known ice age was the Huronian ice age or Icehouse Earth. It lasted from 2400 to 2100 million years ago. It took place after the Great Oxygenation Event which saw a lot of oxygen enter the Earth's atmosphere. The oxygen reacted with methane and greatly reduced its concentration. That triggered a decline in global temperatures and brought about an ice age.

The Huronian ice age was named after Lake Huron, the site of some ancient glacial deposits. It was the longest known ice age and was probably one of the most severe. The only organisms on Earth at the time were very simple one-celled creatures.

Snowball Earth
Also known as the Cryogenian Ice Age, it lasted from 850 to 635 million years ago. It was actually several severe ice ages that happened one after the other. It owes its nickname to the hypothesis that the glaciation was so extreme and severe that it reached the equator and therefore covered the whole planet

Andean-Saharan Ice Age
The Andean-Saharan Ice Age lasted from 460 to 430 million years ago. Evidence indicating its occurrence have been found in the Andes, the Brazilian Amazon region, western Africa Wholesale Rishard Matthews Jersey , the Arabian Peninsula, and the Sahara desert


Karoo Ice Age
The Karoo ice age owes its name to the Karoo region of South Africa were glacial tills from this ice
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