| 单词 |
columnar jointing |
| 释义 |
columnar jointing columnar jointing[kə′ləm·nər ′jȯint·iŋ] (geology) Parallel, prismatic columns that are formed as a result of contraction during cooling in basaltic flow and other extrusive and intrusive rocks. Also known as columnar structure; prismatic jointing; prismatic structure. |
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