Shale interstratified between seams of coal, iron-ore, etc. Cf. bass, n.4
| 单词 | θ6290 |
| 释义 | the world > the earth > minerals > mineral deposits > features of stratum or vein > [noun] > material between (8) bat1686 Shale interstratified between seams of coal, iron-ore, etc. Cf. bass, n.4 Subcategories:— between coal (5) — between ore (2) |
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