首页 > Term: primary gneissic banding
primary gneissic banding
Banding exhibited by certain igneous rocks of heterogeneous composition; produced by the admixture of two magmas only partly miscible or, in other cases, by magma 2458 intimately admixed with country rock into which it has been injected along bedding or foliation planes.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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创建者
- ed.young
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(Milwaukee, United States)