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shield volcano
[ sheeld vol-key-noh ]
noun
, Geology.
- a volcano formed entirely from accumulated flows of fluid lava, growing a few feet at a time and giving the volcano its broad, gently sloping profile.
shield volcano
noun
- a broad volcano built up from the repeated nonexplosive eruption of basalt to form a low dome or shield, usually having a large caldera at the summit
shield volcano
- See under volcano
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Word History and Origins
Origin of shield volcano1
First recorded in 1910–15; translation of German Schildvulkan, from the resemblance of the volcano to an upturned circular shield
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Example Sentences
The largest shield volcano on Earth, Mauna Loa in Hawaii, is only 120 kilometers wide at the base.
From Singularity Hub
If the conduit to the magma below remains open, the Geldingadalur eruption could end up building a small shield volcano, an extremely broad magmatic mound with a very low-angle slope.
From Quanta Magazine
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