columnar jointing in a sentence

Example sentences for columnar jointing

You'll see quartz and feldspar and a great example of columnar jointing that forms a natural staircase.
Columnar jointing, as this formation is called, is another result of the rapid cooling of magma.
Vertical borings do not disclose the nature of columnar jointing.
Columnar jointing in the lava fans out to meet the canyon wall, staying perpendicular to the cooling surface.
Good columnar jointing and other geologic formations.
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