穹窿构造（dome structure）是一种特殊形态的发育在地台盖层上的背斜，形态大致呈圆形，中部呈穹窿状。 是有利的储油构造，因而对其平面轮廓和最高点的研究有重要的实际意义，常用组成穹窿的某个标志层的构造等高线图（见地质构造图）来表示其详细的形态。
矿床呈一穹窿构造，东界为批江断层。
The ore deposit displays a dome structure, bounded by the Pijiang fracture eastward.
认为穹窿构造为彭山地区的主要构造形迹，它控制着该区层控型矿床。
The Pengshan dome structure has been discussed in the paper and so has the SN structure, the function of dominating magma and mine in this area has been overall discussed, too.
认为该构造带金锑矿找矿应依托穹窿构造来开展，并提出进一步找矿的方向。
It is concluded that gold antimony exploration should be arranged along the dome structure in this region.
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