地层单位的英文

stratigraphic unit

stratigraphicunit

• 地层:    stratum; layer; se ...
• 单位:    unit
• 时代-地层单位:    time-rock unit

例句与用法

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1. Time - stratigraphic unit
   时代地层单位
2. The ayadeng and sailinhudong formations were established in the 1970 ' s by the regional geological survey , and the former was considered to belong to the proterozoic baiyunebo group and the later belonged to the sinian system
   摘要阿牙登组和腮林忽洞组是上世纪70年代1 / 20万区调建立的地层单位，当时将阿牙登组置于白云鄂博群，腮林忽洞组归于震旦系。
3. According to representative section , tectono - stratigraphic unite , rock association character , beidahe group is divided a , b , c petrofabrics . the lithology of a petrofabric is amphibolite , gneiss interlated with schist , accidental marble . the lithology of b petrofabric is schist interlated with marble , quartzite
   根据代表性剖面的研究，在构造岩石地层单位序列划分变质地层的原则指导下，按变质岩石组合特征划分了a 、 b 、 c三个岩组。
4. According to the characteristics of lithology and lithofacies , the principle that lithostratic unit group is related to volcano cycle or sedimentary cycle , jiangnan region can be divided into two groups , wuyi region can be divided into three groups , nanling region can be divided into four groups
   根据岩性岩相特征，结合岩石地层单位群与火山旋回或沉积旋回相对应的原则，将江南区划分为两个群，武夷区划分为三个群，南岭区划分为四个群。
5. Abstract according to the " stratigraphic guide of china and its explanation " and based on the general rules for naming stratigraphic units and the principles of priority , a fairly detailed discussion is made on the correct use of the formation - rank names of the lithostratigraphic units of the mesozoic paralic facies of the longzhaogou group in the east of heilongjiang province
   摘要以《中国地层指南及中国地层指南说明书》 （修订版）为依据，以地层单位命名的一般规定为准绳，以地层单位命名的优先权为法则，对黑龙江省东部地区中生代晚期海陆交互相地层龙爪沟群组级岩石地层单位名称的正确使用问题，进行了较为详细的讨论。

百科释义

地层单位在地层学中是指根据岩层的不同特征或属性将其划分成的不同单位。由于划分依据的不同，可分为岩石地层单位、年代地层单位、生物地层单位等。