| 词汇 | migmatite |
| 释义 | BETA Examples of migmatitemigmatite isn’t in the Cambridge Dictionary yet. You can help! In some areas the melt fraction is so high that the migmatite layering is completely disrupted. The southern three quarters of the region consists of metamorphic rock such as gneiss, schist, mica, and migmatite. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Although made of metamorphic rock, the mountain is actually composed of migmatite, metamorphosed at higher temperatures than gneiss but not sufficiently melted to become granite. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Ptygmatic folds can occur restricted to compositional zones of the migmatite, for instance in fine-grained shale protoliths versus in coarse granoblastic sandy protolith. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. No direct genetic connection between migmatite formation and larger plutonic masses has ever been established. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The ridge is divided between two different rock formations, one made up of granitoid gneiss, the other of mixed gneiss and different kinds of migmatite. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Structures in the migmatite include folds and foliations; the foliations cut across both limbs of earlier-phase folds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. |
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