• 也是在一个火山硬化逐步侵蚀中剥离出洋葱岩石层形成

    It formed when a volcanic dome hardened and gradually eroded, exposing the onion-like layers of rock.

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  • 尽管看起来像是个陨石撞击坑,它是在一个火山硬化逐步侵蚀中剥离出洋葱岩石层结果。

    Although it resembles an impact crater, it formed when a volcanic dome hardened and gradually eroded, exposing the onion-like layers of rock.

    youdao

  • 沼泽植物群落优势度指数大于丘状沼泽。

    Simpson index of aquatic swamp is higher than mound swamp.

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  • 一些地震相、披复相、前积相和杂乱相与油气聚集直接关系

    Some of the facies like mounds, drapings, foreset and chaotic facies are believed to be directly related to oil and gas accumulations.

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  • 华宁盘溪火车站以北金山大石山地区发育中、晚泥世的丘状珊瑚礁

    Middle-Upper Devonian coral reef assemblage was studied in Jinshan Dashishan region near the station of Panxi, Huaning of Eastern Yunnan Province.

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  • 华南泥盆纪加拿大泥盆纪”较为相似,而礁则与加拿大“礁”德国的泥盆纪类似。

    The 'layer-reef' in South China is similar to the 'low reef' of Devonian period in Canada and the 'mound reef' is similar to the 'high reef' of Devonian period in Canada and Devonian reefs in Germany.

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  • 精细解释表明此类丘状倾角断层构造斜坡滑塌堆积积扇等非礁滩沉积地震响应。

    The accurate interpretation shows that such domal bodies are the seismic reflections of non-reef-bank deposits of low angle thrust faults, slope slump accumulative zones and turbidite fans.

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  • 四川盆地中部地震水平叠加时间剖面上,三叠统顶部广泛发育绕射结构

    The diffraction hilly structures widely develop on the top of Middle Triassic and Lower Triassic in the seismic horizontal stacking time sections in the central part of Sichuan Basin.

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  • 丘状、洼交错层平行层理的砂岩

    B. sandstone with hummocky or sunken cross bedding and parallel bedding;

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  • 贝壳堤风暴沉积也具有丘状层理、切割充填结构等典型的风暴沉积特征 ,但贝壳堤风暴沉积浅海陆架上的风暴沉积沉积过程、堆积层保存条件等方面具有明显差异。

    The comparison of the deposition processes, depositional height and preserved conditions of the storm deposits formed in chenier is made with those formed in a shallow sea or a continental shelf.

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  • 贝壳堤风暴沉积也具有丘状层理、切割充填结构等典型的风暴沉积特征 ,但贝壳堤风暴沉积浅海陆架上的风暴沉积沉积过程、堆积层保存条件等方面具有明显差异。

    The comparison of the deposition processes, depositional height and preserved conditions of the storm deposits formed in chenier is made with those formed in a shallow sea or a continental shelf.

    youdao

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