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How to use magma in a sentence

Looking for sentences and phrases with the word magma? Here are some examples.

Sentence Examples
Early minerals, such as the chromium-bearing mineral chromite, crystallize early and are denser than the surrounding magma.
The size and depth of these magma chambers can be determined by mapping the earthquake activity around them.
When magma moves beneath a volcano, such as when the magma chamber fills prior to an eruption, there is swelling of the volcanic cone above.
The magmatic fabric of a plutonic rock forms during a relatively short time interval, after ascent and before final crystallization of magma.
The deepest layer is gabbro, coarse-grained but chemically equivalent to basalt, which forms when magma cools and crystallizes slowly.
What's under threat here is simply civilization, the thin crust we lay across the seething magma of nature, including human nature.
This results in boiling and separation of a hydrothermal fluid from the magma.
And in the case of magma it can foam and outgas very volatile compounds that can cause explosive eruptions and throw projectiles great distances.
Variations in composition within each series reflect differentiation in magma chambers under volcanoes.
Once the gas-saturated magma is ponded and retained in a holding reservoir, it will cool and crystallize, causing further degassing.
Whatever the source, an alkalic basaltic magma pooled in the potassium-poor rocks of the lower crust.
The dominant magma types are basalts and hawaiites, with lesser amounts of trachytes, quartz trachytes, alkali rhyolites and phonolites.
The bulk of the T2 magma is represented by the lava domes and coulees, which are the most evolved.
When gas from the magma chamber has been exhausted, the lava erupts more quietly to form a broader and lower edifice, a shield volcano.
We suggest that primitive magmas ascending from the mantle are normally trapped in magma chamber complexes situated at or near the Moho.
The selective removal of these minerals resulted in a change of the composition of the magma to one near that of the rock syenite.
Several pools of syenitic magma were separated from the main body of the melt.
Increased concentrations of carbon dioxide and hydrogen sulfide were detected in the air, signs of fresh magma rising.
Eruptions after 26 October 1986 were phreatic steam explosions, not direct expressions of magma.
These eruptions are thought to rise first as vertical sheets of magma, before separating into individual pipes.
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Examples from Classical Literature
Corundum is a product of contact metamorphism and also a result of direct crystallization from molten magma.
If the initial composition of the magma is represented by a point between the two eutectic points, orthoclase will separate first.
This curve would represent the conditions under which orthoclase is in equilibrium with the molten magma.
After gas evolution had ceased the mixture was saturated with zinc chloride and the magma distilled under reduced pressure.
Near the ores there are likely to be granitic rocks, which, like the ores, seem to be segregations from the norite magma.
The appearance of the magma under them, almost like a mushroom cloud in shape, was pretty ominous.
At any rate, it is somewhat above this discontinuity that magma is formed.
However, contrary to the conventional volcano wisdom, this mixed magma did not erupt immediately, but remained in the chamber.
On Earth, volcanic magma contains more hydrogen than chlorine, so most of the chlorine bonds with hydrogen.
As the theory goes, melting ice caps relieve that pressure and allow the rocks to become magma.
You generate magma by melting in the interior, it comes to the surface and, just like the applejack, when you cool it, it crystallizes.
They are probably the result of the differentiation of the parent magma.
The scientist pointed out the magma on Dr. Williams' sketch.
Notice that the magma is not following the original channels.
Now, two magma areas were showing where only one had shown before.
The tunnel would have to be done before the magma started to move.
On the other hand, the magma could find weaknesses we haven't detected.
According to what we have, this is the shape of a magma front.
And it is strange to love and seek out and celebrate and clamber trustingly into the lap of a half-million-year-old smoldering mass of glaciers and magma, but we did.
That means that having a magma that can erupt is a special condition.
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