One of California's latest national monuments is an enormous, pristine section of mountains, lakes, and lava flows in the ...

Volcanic eruption buried ancient Pompeii and Herculaneum Victims were preserved in sudden death in the two cities Man was exposed to heat of 510 degrees Celsius (950°F) Feb 27 (Reuters) - It was ...

A man, thought to be the custodian of a religious group, was believed to be in his bed asleep, when a super-hot ash cloud hit ...

"Taking one of these fragments, it had a black appearance and shiny surfaces quite similar to obsidian, a natural glass of volcanic origin - black and shiny, whose formation is due to the very ...

“Obsidian glass, that is a volcanic glass, forms when lava is very quickly cooled, for example, where it enters into water,” Giordano added. However, the pyroclastic flows, composed of fast ...

But, he adds, “unlike obsidian, the glassy remains were extremely ... high temperature might have resulted from super-hot volcanic gases and a few centimeters’ worth of ash, which enveloped ...

The discovery in Tunisia of obsidian (volcano glass) from Pantelleria, a small island in the Strait of Sicily, strengthens the link between the Mediterranean’s northern and southern shores.

"Taking one of these fragments, it had a black appearance and shiny surfaces quite similar to obsidian, a natural glass of volcanic origin - black and shiny, whose formation is due to the very ...