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massive rock
Isotropic, homogeneous rock with a strength that does not vary appreciably from point to point. Typical examples are igneous rocks such as granite and diorite; metamorphic 1921 rocks such as marble and quartzite; and some thick-bedded sedimentary rocks.
- スピーチの一部 noun
- 産業/ドメイン 炭鉱
- カテゴリ 炭鉱全般; Mineral mining
- Government Agency: USBM
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作成者
- ed.young
- 100% positive feedback
(Milwaukee, United States)