
n.生物巖礁
Permian bioclastic limestone and bioherm are the most favorable reservoirs. 二疊系生屑灰?guī)r和生物礁為最有利的儲層。
Bioherm type comprises tower reef, patch reef, massive reef, platform-edge reef and atolls etc. 生物礁類型有塔礁、補丁礁、塊礁、臺地邊緣礁、環(huán)礁。
LST reef characterized by aggradational bioherm or patch reef is generally associated with mixed clastic turbidite, siliceous limestone and mudstones reef. 低水位礁僅發(fā)育于臺盆背景,以加積丘礁或點礁為特色,常與混屑濁積巖、硅灰?guī)r、硅泥巖共生。
The Late Cambrian strata in the northern part of North China are well-known for the development of storm calcirudite and bioherm limestone, which include Gushan, Changshan and Fengshan Formations. 摘要華北北部晚寒武世地層以發(fā)育風(fēng)暴礫屑灰?guī)r及生物丘灰?guī)r著稱,包括固山組、長山組和鳳山組。
Keywords bioherm;reef oil pool;the South China Sea; 生物礁;礁油氣藏;南海;