Dictionary.com
Thesaurus.com

magma chamber

British  

noun

  1. a reservoir of magma in the earth's crust where the magma may reside temporarily on its way from the upper mantle to the earth's surface

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Spanning more than five square miles, the dark, sometimes translucent mass was formed from a rhyolitic lava flow that oozed out of the magma chamber of Yellowstone Caldera beneath the park, and cooled rapidly in the bitter cold of a glacial maximum, about 180,000 years ago.

From New York Times

The mostly likely explanation for this layering is that Séítah is the eroded remnant of an underground magma chamber, Linda Kah, a planetary scientist at the University of Tennessee, Knoxville, said at LPSC.

From Science Magazine

Researchers have discovered a simple and surprising control over the depth of a volcano’s magma chamber: how much water it contains.

From Science Magazine

“A melt inclusion is like a tiny little magma chamber that gets trapped,” Rasmussen says.

From Science Magazine

As crystals in the mush of a magma chamber grow, irregularities in their structure can trap tiny bits of pure magma.

From Science Magazine