Geology. A mineral mass containing a different mineral; a rock containing an ore deposit or foreign rock. Frequently attributive.
| 单词 | θ4901 |
| 释义 | the world > the earth > structure of the earth > structural features > discontinuity or unconformity > [noun] > intrusion > host (3) host1889 Geology. A mineral mass containing a different mineral; a rock containing an ore deposit or foreign rock. Frequently attributive. aureole1896 Geology. The belt of metamorphosed rocks surrounding an igneous intrusion. metamorphic aureole1910 = aureole, n. 6. |
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