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- calc alkaline rock 钙质 碱性岩
- Cretaceous volcanic rocks outcropped in the central part of Livingston Island consist of a basalt basaltic andesite andesite dacite association principally belonging to calc alkaline series and characters of low potassium and low Mg. 出露在利文斯顿岛中部的白垩纪火山岩为玄武岩-武安山岩-山岩-安岩组合,基本属于钙碱性系列,但具有低钾拉斑玄武岩的某些特点。
- Petrographical,petrochemical and geochemical data show that the lavas of Byers Peninsula and Cape Shirreff and the dolerite at Siddons Point belong to calc alkaline series and with the characters of lower potassium and magnesium. 岩石化学和地球化学资料表明,百耳斯半岛熔岩、史莱夫角的橄榄玄武岩和西多斯角的粗玄岩等白垩纪火山岩基本属于钙碱性岩系并且具有低钾低镁的特点。
- circum pacific calc alkaline petrographic province 环太平洋钙 碱性岩石区
- Alkaline rocks and alkalic rock related gold deposits have become a new researching topic on mineral deposit geology. 碱性岩及其相关的金矿研究已成为一个新的研究热点。
- Based on detailed field observations, the authors, using K-Ar and ~(40)Ar/~(39)Ar methods, made a study on metallogenic epoch of the Dongping gold deposit, the first large-sized gold deposit ever discovered in alkaline rocks of China. 东坪金矿是我国在碱性岩中发现的第一个大型金矿,本文在详细野外观察的基础上,用K-Ar法、~(40)Ar/~(39)Ar法测定了成矿期花岗细晶岩脉、主成矿期矿石的同位素年龄,确定东坪金矿成矿时代为燕山期。
- What shall we grow in this alkaline soil? 我们应该在碱性土壤里种什么?
- The rock was honeycombed with passages. 岩石上有许多蜂窝状的小孔。
- Fan WM.Gun F.Wang YJ.lin G Late Mesozoic calc alkaline volcanism of post orogenic extension in the northern Da-Hinggan mountains,northeastern China 2003 陈志广.;张连昌
- STUDY PROGRESS OF THE ALKALINE ROCKS: A REVIEW 碱性岩研究进展述评
- Many young rock hounds grow up to be geologists. 许许多多爱好收集岩石的少年,长大后成了地质学家。
- alkaline rocks related REE-Au(Ag) deposit 与碱性岩有关的稀土-金(银)矿床
- The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭岩石。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- The water had worn a channel in the rock. 水把岩石冲出了一条沟。
- He dash the glass bowl to bit on a rock. 他对著石块把玻璃碗砸得粉碎。
- The mountain rise up in a steep wall of rock. 这座山高而陡,形成一道岩石屏障。
- The mountain rose up in a steep wall of rock. 这座山高而陡,形成一道岩石屏障。
- He chiseled that rock into the figure of a woman. 他把那块石头凿成一个女人像。
- Becoming alkaline; slightly alkaline. 碱化的变成碱的; 弱碱性的