MAGMA (magmata)

Pronunciation (US):

(GB):

IPA (US):

Irregular inflected form: magmata   

 Dictionary entry overview: What does magma mean? 

• MAGMA (noun)
  The noun MAGMA has 1 sense:

1. molten rock in the earth's crust

  Familiarity information: MAGMA used as a noun is very rare.

 Dictionary entry details 

• MAGMA (noun)

Sense 1

Meaning:

Molten rock in the earth's crust

Classified under:

Nouns denoting substances

Hypernyms ("magma" is a kind of...):

rock; stone (material consisting of the aggregate of minerals like those making up the Earth's crust)

 Context examples 

Some create channels that transport magma to the crust.

(Earth's mantle looks like a painting, National Science Foundation)

This is the first estimate of magma storage times near the boundary of the Earth’s crust and the mantle, called the Moho.

(‘Crystal clocks’ used to time magma storage before volcanic eruptions, University of Cambridge)

In this case, the planet's large size means that a magma ocean could have existed on its surface for millions of years.

(Super-Earth in Habitable Zone, The Titi Tudorancea Bulletin)

That means the magma chamber of an undersea volcano is not buried as deeply.

(Underwater volcano's fiery eruption captured in detail by seafloor observatory, NSF)

Volcanic eruptions over the past 70,000 or so years produced silica-rich magmas and hydrothermal waters that may have contributed to the Oregon deposit's antibacterial properties.

(New answer to MRSA, other 'superbug' infections: clay minerals?, NSF)

Curtain eruptions occur on Earth where molten rock, or magma, gushes out of a deep fracture.

(Saturn Moon's Activity Could Be 'Curtain Eruptions', NASA)

The pool is over four times larger than a shallower, long-known magma chamber.

(Yellowstone magma discovery, NSF)

Monitoring Io's surface annually will reveal the style of volcanic eruptions there, constrain the magma composition, and accurately map the spatial distribution of the heat flow and potential variations over time.

(A Hellacious Two Weeks on Jupiter's Moon Io, NASA)

If these ancient rocks are analogs for the magma systems underlying modern supervolcanoes, then explosive volcanism may have been far more abundant in Earth's past than it is today.

(Supervolcanoes like Yellowstone may have been more active in the past, NSF)

About 30 million years ago, a disturbance in the transition zone caused an upwelling of magma material to rise to the surface, forming a now-dormant volcano under the Atlantic Ocean, then forming Bermuda.

(Scientists discover a new way volcanoes form, NSF)