Examlex
We refer to some of the inner regions of Jupiter and Saturn as metallic hydrogen because they
Vesicular Basalt
A basalt that contains vesicles.
Basalt
A fine-grained, dark volcanic rock created through the quick cooling of basaltic lava when it is exposed at, or just beneath, the earth's surface.
Felsic
Refers to igneous rocks that are rich in lighter elements like silicon, oxygen, aluminum, sodium, and potassium.
Pyroclastic Flow
A swiftly flowing stream of heated gas and volcanic substances that descends a volcano's slope when there's a violent eruption.
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