Thread: What solidifies with air?
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Old 01-07-2004, 15:43   #27
gazzae
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Re: What solidifies with air?
Quote:
Originally Posted by Alanmelon
Lava just solidifies cause it's cooling.
http://www.ic.sunysb.edu/Stu/jcvirga/
Cinder Cone Volcanoes Unlike the violently explosive eruptions that created the rocks of Hole-in-the-wall, cinder cones form when lava erupts as relatively benign liquid fountains. As lava is spewed through the air, it solidifies instantly, often preserving bubbles created by escaping gasses. If an eruption of this type continues long enough, fragments accumulate to form a cinder cone. Cinder cones can develop very quickly. They typically end their lives with an outpouring of black basalt lava that flows across the landscape.
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