The carbonate source rocks of Middle-Upper Ordovician in Tarim basin are widely distributed in different sedimentary environments at the same period such as platform margin slope, platform inner sag, continental shelf, abyssal basin, etc.
塔里木盆地中上奥陶统碳酸盐岩烃源岩在同一时期不同的沉积环境(台缘斜坡、台地内凹陷、陆棚、深海盆地等)中均有发育。
In the first classification, the reef can be divided into fringing reef, platform inner reef, platform margin reef, slope reef and basin reef.
在一级分类中可划分出岸礁、台内礁、台地边缘礁、斜坡礁和盆地礁这5种生物礁类型。
In the middle stage, withe the deepening of the sea water, horizontal bedding, deformation bedding and convolution bedding developed, suggesting a platform-marginal slope facies.
中期海水加深,发育了水平层理、变形层理及包卷层理等,近于台地边缘斜坡相。
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