a volcanic tuff cone. A Diamond Head lookout Start your weekend by heading toward Diamond Head, the Oahu landmark that was formed by a volcanic eruption some 300,000 years ago and looms on the ...

The Seongsan Ilchulbong tuff cone has exceptional exposures of its structural and sedimentological characteristics, making it a world-class location for understanding Surtseyan-type volcanic eruptions ...

"Volcanic islands are some of the simplest landforms ... which would destabilize the tuff cone in six to seven years, leaving only a land-bridge between the two adjacent older islands.

30 January 2013, 11:30am - Small tuff cone forming; Volcanic Alert remains at level 1, Aviation Colour Code remains Orange. The ‘hot lake’ has now dried out and a small tuff cone has started ...

An aerial view from the Seongsan Ilchulbong tuff cone area on Jeju Island ... lush forests and its otherworldly volcanic landscape, which was formed nearly two million years ago.

During a field trip to the Lava Creek Tuff near Shell, Wyoming, scientists discovered evidence of two major volcanic eruptions. | Credit: USGS/Photo by Madison Myers. Scientists in Wyoming have ...

The olivine here originates from nearby volcanic tuff cones, eroded over time and blended with the fine, flour-like sand. This remote shore, part of a UNESCO World Heritage site, is a sanctuary ...

Scientists in Wyoming have discovered evidence of two mysterious volcanic eruptions that are older than the last caldera-forming supereruption at Yellowstone. The ash deposits were buried beneath ...