Middle and Late Ordovician 中及晚奥陶世
This discovery changed the sole knowledge of structural feature in Tazhong area and aroused new knowledge of Middle-Late Ordovician structural anticlines background in Tarim basin.
这一发现改变了对塔中地区构造特征的单一认识，启发了对塔里木盆地中晚奥陶世构造背景的新认识。
The study of reservoir bitumen showed that the source is not only the carbonate in middle and late ordovician, but also the carbonate in Cambrian.
储层沥青研究表明烃源岩不仅仅只有中上奥陶系烃源岩，还有寒武系烃源岩。
Organic reef formation and development rely on very unique environment, but original sedimentary environment in middle to late Ordovician in Tarim was destroyed completely due to structure eroded.
生物礁生存和发育有着严格的生存环境，但由于构造剥蚀作用，造成塔里木盆地中晚奥陶世原始沉积环境破坏殆尽。
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