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- 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。
- STUDY PROGRESS OF THE ALKALINE ROCKS: A REVIEW 碱性岩研究进展述评
- alkaline rocks related REE-Au(Ag) deposit 与碱性岩有关的稀土-金(银)矿床
- What shall we grow in this alkaline soil? 我们应该在碱性土壤里种什么?
- Navigation is difficult on this river because of the hidden rocks. 因为河上有暗礁,所以在这条河上航行很困难。
- The storm cast the little rowboat on the rocks. 风暴把这条小划艇抛到岩石上。
- The stricken tanker began to break up on the rocks. 油轮被击中后撞上礁石,毁了。
- These rocks are awash at high tide. 这些礁石在涨潮时被海水淹没。
- Rocks are worn smooth through the agency of water. 岩石由于水的作用而变得光滑。
- The waterfall is wearing away the rocks. 瀑布不断地冲蚀着岩石。
- The waves are lashing against the rocks. 波浪冲击着岩石。
- A fall of rocks blocked the road. 掉落的岩石把路封住了。
- Becoming alkaline; slightly alkaline. 碱化的变成碱的; 弱碱性的
- The ship was battered against the rocks. 船被岩石撞坏了。
- The water frothed as it tumbled down the rocks. 水冲击在岩石上溅起了泡沫。
- Huge waves drove the yacht onto the rocks. 巨浪把游艇卷到岩石上。
- There are two types of rocks in this area. 这个地区有两种类型的岩石。
- The boat was heading for some rocks. 那船正驶向礁石。
- The boys were climbing about on the rocks. 男孩子都在岩石上乱爬呢。