埕岛油田的结晶基底为太古界花岗片麻岩，沉积基底为古生界碳酸盐岩和中生界碎屑岩。
Chengdao oil field has a crystalline basement of Achaean granite gneiss and a sedimentary basement of Paleozonic carbonate rock or Mesozonic clastic rock.
矿区出露中朱罗统叶巴组火山次火山沉积岩、古新世黑云母花岗斑岩、中新世二长石英斑岩以及渐新世花岗斑岩。
The middle Jurassic Yeba formation volcanics, Paleocene biotite granite porphyry, Miocene quartz monzonite and Oligocene granite porphyry could be found in the ore field.
花洒的堵塞往往是由于筛网罩堆积杂质造成的，花洒永久了难免会有水垢沉积，如果无法得到清理，有些喷口可能会被堵塞。
The blockings of head are always resulted by accumulated wastes in the screen mesh. Scale deposit is inevitable after long term using, some spray bores might be blocked without cleaning up.
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