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• a  relating to or produced by or consisting of volcanoes
  volcanic steam
  volcanic islands such as Iceland
  a volcanic cone is a conical mountain or hill built up of material from volcanic eruptions
• s  explosively unstable
  a volcanic temper
• s  igneous rock produced by eruption and solidified on or near the earth's surface; rhyolite or andesite or basalt
  volcanic rock includes the volcanic glass obsidian

• The hot lunar material and huge chunks of rubble floating in it, says Kuiper, created the volcanic structures that can be seen in Orbiter's picture.
• Chen Kaiges stately, volcanic epic was one of the first Mainland films to acknowledge that damage wrought by Maoism.
• Even a single major volcanic outburst adds so much dust to the atmosphere that it reduces the amount of sunlight reaching the earth's surface; the result can be a brief but .

News & Articles

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• From the Sea to the Pump: Is Kelp a Viable Biofuel?
  Brown kelp macroalgae — the strange, foul-smelling seaweed so often found washed up on the Pacific Northwest’s volcanic sand beaches — could ultimately offer an almost unlimited global supply of commercial-quality ethanol or biomethane.
  June 14, 2013 - Renewable Energy World
• Lassen Volcanic National Park gives tour of the burn area left by the 2012 Reading fire
  Shasta CountyLassen Volcanic National Park has begun its natural process of regeneration following last summer’s Reading fire.
  June 12, 2013 - KRCR TV Redding
• Volcanic Eruptions Linked to Cold Weather Events
  When a volcano erupts, it's not just the local area and weather that will be affected. In fact, weather and climate around the world can be influenced, as large eruptions throw volcanic ash particles into the stratosphere. Locally, these particles attract water droplets and therefore cause rain events. In addition, higher occurrences of thunder and lightening are observed in the area. But the ...
  June 10, 2013 - Environmental News Network

Quotes

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• Gary Numan in The Guardian
  The last thing I expected this morning when I woke up was to hear that volcanic ash might be preventing us from flying to America,wrote Gary Numan, on his blog.
• Russell T Davies in ic Wales
  Doctor Who executive producer and head writer Russell T Davies said: "Arriving in Pompeii marks the start of another exciting adventure for The Doctor and Donna. Donna is stunned to find herself in the midst of history's most famous volcanic...
• James Hansen in HULIQ
  It is unlikely that 2008 will be a year with truly exceptional global mean temperature,said Hansen. "Barring a large volcanic eruption, a record global temperature clearly exceeding that of 2005 can be expected within the next few years,...