News tagged with volcanic rocks

Rare melt key to 'Ring of Fire'

(PhysOrg.com) -- Oxford University scientists have discovered the explanation for why the world?s explosive volcanoes are confined to bands only a few tens of kilometres wide, such as those along the Pacific ...

Oct 07, 2010
4.2 / 5 (11) 0 | with audio podcast

'Jake_M': Unusual Mars rock described

The first rock that scientists analyzed on Mars with a pair of chemical instruments aboard the Curiosity rover turned out to be a doozy – a pyramid-shaped volcanic rock called a "mugearite" that is unlike ...

Sep 26, 2013
4.8 / 5 (9) 2 | with audio podcast