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Limalok (formerly known as Harrie or Harriet) is a Cretaceous-Paleocene guyot/tablemount in the southeastern Marshall Islands, one of a number of seamounts (a type of underwater volcanic mountain) in the Pacific Ocean. It was probably formed by a volcanic hotspot in present-day French Polynesia. Limalok lies southeast of Mili Atoll and Knox Atoll, which rise above sea level, and is joined to each of them through a volcanic ridge. It is located at a depth of 1,255 metres (4,117 ft) and has a summit platform with an area of 636 square kilometres (246 sq mi).

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  • Limalok (en)
  • Limalok (zh)
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  • Limalok(原称Harrie或Harriet),是白垩纪—古新世时期成型的海底平顶山,是太平洋东南马绍尔群岛的一座海底山(水下火山)。它可能由今法属波利尼西亚一带的火山热点形成。Limalok坐落于米利環礁和諾克斯環礁东南部,并通过火山脊与两座环礁相连。其位置距海平面深约1,255米(4117英尺),并且有一个面积约636平方千米(246英亩)的山顶平面。 Limalok由玄武岩构成,最初可能是一座盾狀火山。、、、可能都参与了Limalok的形成。火山活动停止后,Limalok逐渐被侵蚀和削平,在古新世和始新世时期,上面形成了一个碳酸化的平面。这些碳酸主要由红藻生成,红藻会形成环礁状或类环礁状的结构以及暗礁。 山顶平面可能在48±2百万年前的始新世沉入海底,原因可能是当其经过赤道地区时,珊瑚礁因温度较高或有丰富营养物质而得以持续生长,后受作用下沉到目前的高度。在中新世时期,山体沉降开始,导致锰结壳与浮游沉积物的沉积形成。随着时间的推移,部分沉积物中积聚起磷酸鹽。 (zh)
  • Limalok (formerly known as Harrie or Harriet) is a Cretaceous-Paleocene guyot/tablemount in the southeastern Marshall Islands, one of a number of seamounts (a type of underwater volcanic mountain) in the Pacific Ocean. It was probably formed by a volcanic hotspot in present-day French Polynesia. Limalok lies southeast of Mili Atoll and Knox Atoll, which rise above sea level, and is joined to each of them through a volcanic ridge. It is located at a depth of 1,255 metres (4,117 ft) and has a summit platform with an area of 636 square kilometres (246 sq mi). (en)
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  • Limalok (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Micronesia_and_Marshall_islands_bathymetry,_Limalok_(Harrie)_Guyot.png
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