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Crustal activities recorded incoral reefs in the northwestern South China Sea 被引量:1
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作者 ZHAN Wenhuan YAO Yantao ZHANG Zhiqiang SUN Zongxun ZHAN Meizhen SUN Longtao LIU Zaifeng 《Chinese Science Bulletin》 SCIE EI CAS 2006年第B12期89-94,共6页
Coral reefs in the northwest of South China Sea have recorded the information from not only the environmental variation but also the crustal activities there during their development. The main crustal activities corre... Coral reefs in the northwest of South China Sea have recorded the information from not only the environmental variation but also the crustal activities there during their development. The main crustal activities correlated with the coral reef development include fault, seismic, and volcano activities, etc. The high-resolution spark seismic profiles in the northwestern South China Sea show that the fault activities in the coral reef region have been clearly recorded, and appear as neonatal faults incising reefs. Earthquakes in the coral reef region are rather intense, especially the two occurring on December, 31, 1994, and January, 10, 1995, around the southwest of Leizhou Peninsula, with the magnitude of 6.1 and 6.2, respectively. They have great influence on the growth of the local coral reefs. Quaternary volcanos are active in the northwestern South China Sea, especially around the southwest of Leizhou Peninsula, and they have obvious control of the coral reef development. Some submarine volcanoes form the substrates of coral reef, while a few emerge above the sea surface and form coral islands. 展开更多
关键词 南海西北部海域 珊瑚礁 外壳活动性 环境变化
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