Archive for National Geographic
Amazing Petrified Forests
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Here’s something that’ll stump your chainsaw: wood from petrified forests! The mineralized branch you hold today just might have been nibbled on by a dinosaur in some long-ago Jurassic brunch. These beautifully colored remnants of long-vanished landscapes are important links to the world as it was many millions of years ago.
Petrified Forest National Park, Arizona, USA
Perhaps the most famous of the world’s petrified forests can be found in the Petrified Forest National Park, located in northeastern Arizona state. The park features a number of distinct concentrations of petrified wood which have been given names such as the Black Forest, the Crystal Forest, the Rainbow Forest and so on.
Volatile Volcanoes That Are Ready to Blow
Posted by: | CommentsWhen Indonesia’s Mount Tambora erupted in 1815, the world got an all too vivid glimpse at just how far-reaching the damage can be. The largest volcanic eruption in the earth’s history killed 100,000 people and caused ‘The Year Without a Summer‘, crop-killing summer snow and freezing temperatures in the United States and Europe. Today, Iceland’s Mount Eyjafjallajökull is far from the only one to worry about.There’s an unusual amount of seismic activity happening everywhere from Washington State to North Korea, with 12 deadly volcanoes nearing potential eruption.
Katla Volcano, Iceland
If you thought Iceland’s Eyjafjallajökull eruption was bad, you haven’t seen anything yet. Think of the Katla volcano as Eyjafjallajökull’s fiercer, angrier, more violent sister. A Katla volcano eruption would be ten times stronger and would shoot larger plumes of ash much higher in the air. Though experts feared that Katla might be set off by the eruption back in April, it hasn’t happened yet – but that doesn’t mean it won’t.