Mineral, palaeontology, middle devonian, permian to early jurassic, and cretaceous.

收藏矿物 、 古生物学 、 中泥盆纪 、 二叠纪到早期的侏罗纪和白恶纪.

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The Bafangshan polymetallic deposit occurs in Middle Devonian Fengtai apart pull basin.

陕西八方山大型(金)多金属矿床赋存在于中泥盆统吉维特晚期的热水沉积岩相中.

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This area was in an arc and rear - arc basin on convergent plates in the Middle Devonian.

其岩石化学及地球化学显示岛弧火山岩特征.

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The slope mudflow around the seat of Ningshaan County on a slope of Middle Devonian strata.

宁陕县城周围坡面型泥石流发育于中泥盆统地层的陡坡上.

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Few volcanic a SEDEX - type Pb - Zn deposit was formed in Middle Devonian ( Altay town Formation ).

中泥盆世火山作用减弱,在阿勒泰镇组沉积地层中形成 SEDEX 型红墩铅锌矿床.

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