It's difficult to decide the position of the unit in evolutional seriary of magma.

该单元在岩浆演化序列中所处的位1难以确定。

Basic, acidic extrusive and volcanoclastic rocks are known as the main rock types.

石炭纪末期本区的岩浆活动开始,早二叠世晚期和晚二叠世早期是两个主活动期。

The deposit was produced by superimposition of the hot-water sedimentary mineralization and magmatic hydatogenesis.

该矿床是热水沉积成矿岩浆热液成矿叠加成矿的产物。

Hence, for the minerals to be analyzed in some rocks, when there are all sorts of genesis with xenolith, magma, mantle and so on in them,the age of a certain single event can be respectively got.

因此，当某些岩体的被测矿物有捕虏体成因、岩浆成因、地幔成因等种来源时，可别求出某单一事件的年龄。

The volcanogenic deposits hosted in differential yolcanic rock series and cogenetic deposits hosted in undifferential baste volcanic rock series have been divided and studied in this paper.

笔者通过研究，出了火山岩系中的火山成因矿床和未性火山岩系中的共生矿床，认为前者的金属聚集岩浆有密切关系。

Research for geofluids is a hot-point and frontier in the geoscience field, especially, in igeous petrology, metamorphic petrology, geotectology and study of mineral deposits.

流体研究是近年来地学界研究的热点和前沿,它不仅在岩浆岩、构造、变质岩等方面的研究中受到重视,而且在矿床研究领域得到了发展。

The orebody is controlled by SN, NW faults and fissures, the ore deposit belongs to magmatic hydrothermalism-stratabound and compound magmatic hydrothermalism type one.

矿体受南北向、北西向断裂及裂隙构造控制,矿床成因为岩浆热液—层控岩浆热液复合型。

It is inferred from the thermometry of geyserite and adarce inclusions that underground temperatures for the hot spring system in Tengchong are .

云南腾冲是中外著名的地热区，区内火山岩浆地热活动强烈，水热显示形式多样，有温泉、热泉、沸泉、水热蚀变岩石、泉华（硅华、盐华、钙华和硫华）等。

The types of deposits basically are differential metasomatism in the later magma, pneumatolytic hydrothermal process, pegmatite process, residual deposits and placer deposits.

矿床类型以岩浆晚期交代型、气成热液型、伟晶岩型、风化壳型和砂矿型为主。

The metallogenic material was from deep alkalic basaltic magma, and the pulsatory invasion was the necessary metallogenic condition of the ore deposit.

成矿物质源于碱性玄武岩浆，性次火山岩浆多次脉动式入侵是矿床形成的必要条件。

A tectno-magmatic province in relationship with the Dalimu and Sino-Korean paraplatforms defines two giant hyperalkaline to alkaline to carbonate mineralization belts.

塔里木一中朝两个准地台相关构造-岩浆带中,有两个巨大的超性-碱性-碳酸岩杂岩型磷矿成矿带。

The volcano disgorges lava.

火山喷出岩浆。

Bajiazi polymetallic ore deposit is an old mine,which occured in southeastern part of Bajiazi-Yangjiazhangzi magmatic hydrotherm metallogenic belt.

八家子多金属矿是一个老矿山,它产于八家子—杨家杖子岩浆热液成矿带南西部。