The reef island belt from Tusuo Lake to Huashixia is mainly composed of massive reef limestone and bioclastic limestone.

托索湖—花石峡礁带的主体由块状的礁相灰岩和生物碎屑灰岩所组成；

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The eastern reef island area, with shallow seawater, is higher parts of Xisha apophysis, where the basement is directly covered with reef facies carbonate rocks.

东部岛礁区为西沙隆起的较高部位，海水较浅，基底之上直接覆盖礁相沉积地层。

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The island is encircled by a coral reef.

这个岛周围都是珊瑚礁。

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The Chazy Reef on the island contains coral, like a reef in a warm, tropical ocean.

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Surrounded by its own coral reef, the island measures 1.5 acres and contains a Bahamian-style 4-bedroom, 3-bath home.

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Or you could travel to Sablayan independently and head out to the reef with Pandan Island Resort, which for years was the region's only dive operator.

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When the cruise ship Costa Concordia struck a reef off the island of Giglio on January 13, international attention inevitably focused on the actions of the master.

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