单词Ordovician
n.: 奥陶系；【地】奥陶纪；奥陶时期；奥陶纪层
adj.: 【地】奥陶纪[系]的
网络: 奥陶世；O奥陶纪；古生代奥陶纪
【地质学;地理学】奥陶纪[系]的
奥陶系的
【地质学;地理学】奥陶纪;奥陶系;奥陶时期;奥陶纪层
It was an important evolution and marked the end of transgression and regression cycle of the Cambrian and Ordovician in Tarim area.
这标志着塔里木地区寒武纪和奥陶纪海进海退旋回的终结。
The tectonic framework of North Qilian in Early Ordovician should be similar to that of the Bafin Bay and the Queen Elizabeth Islands.
北祁连早奥陶世海域与现在加拿大北部巴芬湾及伊丽莎白女王群岛的构造格局相似。
tussles at the International Commission on Stratigraphy over the boundaries of the Ordovician era do not normally capture headlines.
国际地层学委员会上关于奥陶纪边界的争论也一般不会占据新闻头条。
The configuration of Ordovician of lower Palaeozoic system highly inherits that of Archaean group and both have a strong consistency.
下古生界奥陶系构造具有很强的继承性，其构造格局与太古界有很强的一致性；
This proposed method has been used for quality evaluation of natural Gamma spectral log in the Ordovician carbonate strata in Tahe oilfield.
目前这种方法在塔河油田奥陶系碳酸岩盐地层的能谱测井资料质量评价中取得了明显的效果。
The long distance thrust system is composed of Ordovician and Silurian and some part of it shows as a klippe.
远距离冲断系统由奥陶系和志留系构成，局部地区表现为飞来峰；
The Middle and Upper Ordovician is one of the main target zones of oil and gas in the Central Tarim area.
中及上奥陶统是塔里木盆地中部地区主要的油气勘探目的层。
Ordos Basin, China"s second-largest gas basin gas reservoirs are developed in Jingbian field at the top of the Ordovician weathering crust.
鄂尔多斯盆地是我国第二大含气盆地，气藏主要发育在靖边气田奥陶系顶部古风化壳内。
The Early Caledonian movement resulted in a pseudo-conformity between Cambrian and Lower Ordovician.
早加里东运动，造成下早奥陶统与寒武系的假整合；
Fractures and caverns are the main spaces of carbonate reservoirs of the Ordovician system in Tahe Oilfield.
裂缝和溶蚀孔洞是塔河油田奥陶系碳酸盐岩主要的储集空间。