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- The Xiaoban Gold Deposit,located in the concentration area of gold mineralization in central Fujian,is controlled by the Proterozoic basicacid bimodal volcanic rock and the ductile shear zone. 矿床受元古界基性、酸性双峰式火山岩层位及韧性剪切带双重控制,属绿岩带中的韧性剪切带型金矿床。
- This deposit is hosted within the metamorphosed submarine bimodal volcanic rocks of the Kawabulake Grou p (Pt2). 已发现 的2个矿体呈层状、透镜状产出,产状与围岩地层一致。
- 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。
- Petrochemical, microelement, rare-earth element data and the character of bimodal volcanic rocks show that the Bikou Group strata were formed in an island arc-rift valley geote ctonic environment. 岩石化学、微量元素和稀土元素等一系列图解,都一致判别为碧口群火山岩主要是钙碱系列,也有少量的拉斑系列,并具双峰式火山岩特征。因此,认为碧口群可能形成于岛弧裂谷环境。
- Immiscibility of basalt magma at high pressure and its significance to the bimodal volcanic rock 高压下玄武岩浆的不混溶及其对双峰式火山岩的成因意义
- bimodal volcanic rock 双峰式火山岩
- 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
- Keywords volcanogenic massive sulfide deposits;magmatic differentiation;bimodal volcanic rocks;Altay;Xinjiang; 火山岩型块状硫化物矿床;岩浆分异;双峰式火山岩;新疆阿尔泰;
- Keywords central Fujian;Dongyan Formation;bimodal volcanic rocks;greenschist;lead-zinc deposit; 闽中;东岩组;双峰式火山岩;绿片岩;铅锌矿床;
- Keywords Devonian rift basin bimodal volcanic rocks delta deposition submarine fan deposition Northern Guangdong; 泥盆纪;裂陷盆地;三角洲相“双峰式”火山岩套;海底扇相;粤北;
- Basalt is the commonest volcanic rock. 玄武岩是最普通的火山岩。
- [Qiu Jiansheng, Wang Dezi and Zhou Jincheng. 1999.Geochemistry and petrogenesis of the late Mesozoic bimodal volcanic rocks at Yunshan caldera, Yongtai county, Fujian province. 邱检生;王德滋;周金城.;1999
- A volcanic rock containing many amygdules. 杏仁岩有很多杏仁状小气孔的火成岩
- The hotel is a cave on a volcanic rock in fact. 洞穴酒店其实就是一个火山岩上的洞穴。
- bimodal volcanic rocks 双峰式火山岩
- In each bimodal volcanic succession, there exists a differentiation crystallization relationship between basic and silicic lavas. 各个双峰式火山岩系中,基性和酸性熔岩间为分异结晶关系。
- Studies show that bimodal volcanics constitute the most favorable host rock association for volcanogenic massive sulfide deposits. 整理结果表明,双峰式火山岩是火山成因块状硫化物矿床的最佳含矿岩石组合;
- A light-colored volcanic rock composed largely of feldspars. 响石,响岩大部分由长岩组成的淡色的火山岩
- Resembling a volcanic rock that contains many amygdules. 杏仁岩的类似包含杏仁孔的火成岩的
- Volcanic rock can become favorable oil-gas reservoirs. 火山岩可以成为良好的油气储层。