limestone reef

基本解释

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；
The Huayuan lead zinc deposit is a large MVT ore deposit in Hunan Province, southern China, which occurs in the algal reef limestone of Lower Cambrian.
湖南西部花垣铅锌矿床，是近年来发现的产于下寒武统清虚洞组上部藻礁灰岩中的大型MVT矿床。
Bleaching occurs when the tiny plant-like coral organisms die, often because of higher temperatures, and leave behind only a white limestone reef skeleton.
细小而形似植物的珊瑚生物死亡时会褪色变白，原因通常是不断升高的温度，留下的只是一具白色的石灰岩珊瑚礁骨架。