1) bimodal rock association
双峰式岩石组合
2) bimodal volcanic rock association
双峰式火山岩组合
1.
A typical bimodal volcanic rock association,composed of basalt a nd rhyolitic volcanic rocks,is distributed in the Mesozoic Linjiang volcanic-s edimentary basin,which is located in the eastern segment of the Nanling tecto no-magmatic belt and controlled by the Sannan-Xunwu fault belt.
位于南岭构造岩浆带东段,受三南—寻邬断裂带控制的临江中生代火山沉积盆地内发育一套由玄武岩及流纹质火山岩组成的十分典型的双峰式火山岩组合。
3) bimodal magmatism
双峰式岩浆
4) rock association
岩石组合
1.
Researches on characteristics of mineral rock association show that there is a great interdependency between gas oil enrichments and types of association.
鄂尔多斯盆地古生界与中生界是重要的油气储层,矿物岩石组合特征研究表明,组合类型与油气富集存在明显相关性。
2.
The reservoir properties of favorable sandstones in strata are associated with the rock association and can be predicted within small areas.
不同岩石组合中有利砂体的储集性能是随着组合特征有规律变化的,在面积较小的范围内是可预测的。
3.
The early middle Jurassic strata are outcropped in the Paducuo, Shuanghu area, Tibet, the rock association characteristics are different from Yanshiping Group, and correspond to the outcropped Sewa Formation in the Xiangcuo area, up to now, the upper of the strata is the richest ammonitic fossils in Bajocian stage, Jurassic in the northern part of Tibet.
藏北帕度错一带出露的早—中侏罗世地层,其岩石组合特征不同于雁石坪群,与其香错一带出露的色哇组相当,在该套地层的上部层位产迄今为止藏北地区最为丰富的侏罗纪巴柔期菊石化石。
5) rock assemblage
岩石组合
1.
A complete ophiolite section can be divided from bottom to top into four units, namely metaperidotite unit, plutonic complex unit, sheeted dike complex unit and extrusive rock unit, each unit having varied rock assemblages.
蛇绿岩的岩石组合从下至上分为 4个单元 ,即 :变质橄榄岩单元、深成杂岩单元、席状岩墙群杂岩单元和喷出岩单元。
2.
A study of lithofacies, petrochemical and geochemical characteristics of the Motianling raparkivi granite and the rock assemblage shows that it is different from the representative anorogenic raparkivi granite of the Precambrian orogenic belt.
其岩相学、岩石地球化学特征研究表明,摩天岭环斑花岗岩及其岩石组合为不同于前寒武纪典型非造山环斑花岗岩的造山带型环斑花岗岩,为形成于造山带与板块俯冲体制有关的岛弧或活动大陆边缘环境下的I型花岗岩。
6) bimodal volcanic rocks
双峰式火山岩
1.
Definition of Neoproterozoic bimodal volcanic rocks in the south of Hangzhou and its tectonic significance;
杭州南部新元古代双峰式火山岩的厘定及其构造意义
2.
The metamorphic rocks consist of three basic-acid volcanic-sedimentary cycles and show the features of bimodal volcanic rocks.
东岩组地层由3个基性、酸性火山喷发 (溢)沉积旋回组成,具有双峰式火山岩特征。
3.
The results showed that the metamorphic volcanic rocks were bimodal volcanic rocks,and its primary rocks were the alkali-basalt and the calc-alkaline rhyolite which both had the similar geochemical characteristics with those of t.
结果表明,矿区变质火山岩为一套以玄武岩为主的双峰式火山岩,其原岩为基性的玄武岩和酸性的流纹岩。
补充资料：组合模式或组合振动
分子式：
CAS号：
性质：在红外光谱中通常出现很多的弱吸收，组合模式或组合振动系指对应于两个或多个基本振动频率之和起源，它的弱吸收于多原子分子振动态相互作用的振子的非谐性。与基频振动及倍频所引起的吸收相比，这些吸收是比较弱的。
CAS号：
性质：在红外光谱中通常出现很多的弱吸收，组合模式或组合振动系指对应于两个或多个基本振动频率之和起源，它的弱吸收于多原子分子振动态相互作用的振子的非谐性。与基频振动及倍频所引起的吸收相比，这些吸收是比较弱的。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条