Hengdan turbidite sequence 横丹浊积岩系
The Hengdan turbidite sequence is composed of very thick, normal turbidity current deposits. It is marked by a monocline dipping south or southeast.
南秦岭横丹浊积岩系是一套巨厚的浊流沉积，以向南或南东倾的单斜构造产出。
At other hand, the golden content of the sandstone is higher than that of fine grain siltstone and mudstone, and tends to decrease and stabilize upward in the turbidite sequence.
另外，砂质单元金含量比细粒的粉砂岩和泥岩要高，从浊积岩序列的底部旋回至上部回金的含量降低并由不稳定到稳定等规律。
An integrated analysis of the facies sequence, fabrics, sedimentary characteristics and provenance indi-cates that the Hengdan turbidite sequence is turbidity sediments fillings.
相序、组构、沉积特征和物源区综合分析表明，横丹浊积岩系为弧前盆地充填物。
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