锥形海山是马里亚纳弧前区非火山成因的海山。
The Conical Seamount is a non-volcanic one in the Mariana Fore Arc.
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。
An integrated analysis of the facies sequence, fabrics, sedimentary characteristics and provenance indi-cates that the Hengdan turbidite sequence is turbidity sediments fillings.
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