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单词 vesicular structure
释义 vesicular structure
[vǝ`sik·yǝ·lǝr `strǝk·chǝr]
PETROLOGY
A structure that is common in many volcanic rocks and which forms when magma is brought to or near the earth's surface; may form a structure with small cavities, or produce a pumiceous structure or a scoriaceous structure.
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