单词 | clay iron-ore |
释义 | > as lemmasclay iron-ore clay iron-ore n. names given to various iron-ores containing much clay, esp. argillaceous hæmatite. ΚΠ 1888 J. Prestwich Geol. II. 94 When instead of the clay-iron-ores the shales contain iron-pyrites. < as lemmas |
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