岩浆

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定。

The volcano disgorges lava.

火山喷出岩浆。

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作用与岩浆热液成矿作用叠加成矿的产物。

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个主活动期。

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。

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

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

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

矿床类型岩浆晚期分异交代型、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，基性次火山岩浆多次脉动式入侵是矿床形成的必要条件。

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、西断裂及裂隙构造控制,矿床成因为岩浆热液—层控与岩浆热液复合型。

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。

B its of strombolian-type scoria and Hawaii-type effusive lava may accompany lately after Phreatomagmaticerup tion, they constitute a erup tive activity cycle in its entirely.

岩浆射汽喷发晚期往往伴随斯通博利式喷发和夏威夷式熔岩流,三者构成一个完整火山活动旋回。

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，分出了分异火山岩系中的火山成因矿床和未分异基性火山岩系中的共生矿床，认为前者的金属聚集与岩浆分异有密切关系。

Being the residual island are of the convergent plate subducted to the south, the central Baiyin Minerogenetic Belt is located at the southeast edge of the north Qilian Caledonian eugeosyncline.

摘要内蒙油房一二把伙地区位于华地台缘南兴安晚华力西期地槽褶皱带，中生代火山岩系发育，燕山期中酸性岩浆活动强烈，形成了一系列火山、潜火山热液型银多金属矿床。

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、地幔成因等各种来源时，可分别求出某单一事件的年龄。