Lingula flag
Geology
noun
Each of a series of Cambrian deposits, mainly micaceous flagstones and slates (originally in North Wales), containing abundant fossils of lingulate brachiopods; usually in plural.
Origin
Mid 19th century.
| 单词 | Lingula flag |
| 释义 | Lingula flagGeology noun Each of a series of Cambrian deposits, mainly micaceous flagstones and slates (originally in North Wales), containing abundant fossils of lingulate brachiopods; usually in plural. Origin |
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