Blue Biggs Jasper is a silicated volcanic ash. It was formed during a volcanic eruption and is part of a Miocene series of rocks called the John Day Formation, near Biggs, Oregon, USA. It is a decorative stone used for jewellery and trinkets.
How a T-Shirt Can Save Your Life One disaster that is difficult to prepare for is a volcanic eruption. Even if several miles away, not safe from the thick cloud of volcanic ash the gets pumped into the air.
MAMMATUS clouds are most often associated with the anvil cloud & severe thunderstorms. They often extend from the base of a cumulonimbus but may also be found under altocumulus, altostratus, stratocumulus, & cirrus clouds as well as volcanic ash clouds^
SPILL, Daniel Beltra Images from the Deepwater Horizon Oil Spill A plume of smoke rises from a burn of collected oil. A total of 411 controlled burns were used to try rid the Gulf of the most visible surface oil from the BP Deepwater Horizon wellhead.
A red phone box lies half buried in volcanic ash in the exclusion zone in Montserrat, West Indies. [1247 × 783].
Welcome to the Volcanic Earth Healing Centre, the Vanuatu spa in Port Vila that offers you the world's first Infrared Volcanic Ash Therapy Baths, together with the most personalised, uniquely Melanesian spa rituals in the country