oil bearing horizon 含油地层
group of oil bearing horizon 可采油层组
ore-bearing horizon 赋矿层位
bird-bearing horizon 鸟化石层位
Distribution of gold placer deposits is closely related with gold-bearing horizon, morphology and tectonism.
使金重新分布，砂金分布与金源、地貌和新构造运动关系密切。
The basin's Late Triassic coal-bearing strata are the major coal-bearing horizon in central Yunnan and southwestern Sichuan.
其中的晚三叠世含煤岩系是滇中与川西南重要含煤层位。
Outwards from the mantle uplift center, the metallogenesis becomes weaker, the deposit scale smaller and the ore-bearing horizon older.
该矿带具有自幔隆中心向外矿化渐弱、矿床规模变小、赋矿层位变老等规律。
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