This volcanic glass is abundant and significant within the Azufres ... However, there are many color variations of obsidian, with red and green being common. (1−3) Historically, several well-known ...

Here we delve inside Egypt's pyramids to reveal their many treasures and secrets, while also shining a light on Egypt's ...

Discover the hidden natural wonders of Nevada beyond Las Vegas. Explore the majestic Sierra Nevada mountains and vast deserts ...

His usage has jumped to 28.7 percent, placing him in the 86th percentile, according to Cleaning the Glass. But that increase hasn’t correlated to lost possessions. Green is averaging just 1.4 ...

By analyzing sulfur and volcanic ash entrained in ice cores, researchers pinpointed a caldera in the remote Kuril Islands as ...

Obsidian is a black volcanic glass; deposits found here were historically used by Indigenous peoples to craft tools. Over 80 plant species in the area have traditional uses in medicine ...

A new study based on the sampling and analysis of volcanic ash at Cumbre Vieja volcano ... were sent back to the Museum for chemical analysis of the glass within the ash, which originated from ...

Green Day's long-awaited South African debut on Jan. 19 was anything but ordinary. By Jessica Lynch Green Day delivered a politically charged performance during their Jan. 19 concert at ...

For example, that year, he collaborated with geologists, using trace elemental analysis to discriminate between Aegean sources of the volcanic glass obsidian, used to make cutting tools.

A study based on the sampling and analysis of volcanic ash at Cumbre Vieja volcano ... were sent back to the Museum for chemical analysis of the glass within the ash, which originated from the ...

Archaeologists and climate scientists from the University of Copenhagen can now show that these ritual sacrifices coincided with a large volcanic eruption that made the sun disappear throughout ...