| 单词 | Quartz vein |
| 释义 |
Quartz vein
英语例句库
Gold quartz vein is the major orebody which is controlled by E-W-extrusion fracture zone in the Damiaozi gold mineralized district.The granite-porphyry,spessartite and diabase are the major wallrock. 大庙子金矿化区内金矿体以石英脉型为主,矿体的产出受东西向挤压破碎带控制,花岗斑岩和闪斜煌斑岩、辉绿岩是矿体的主要围岩。
英语百科
Vein (geology)    In geology, a vein is a distinct sheetlike body of crystallized minerals within a rock. Veins form when mineral constituents carried by an aqueous solution within the rock mass are deposited through precipitation. The hydraulic flow involved is usually due to hydrothermal circulation. |
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