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hydrothermal region
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  热液区
     According to the stable isotope data, the δ34S of most rich ore in fissure is near zero and H,O,C isotopic composition are in the magma hydrothermal region, which show the hydrothermal of magma has an important role in the formation of rich orebody in fissure.
     据稳定同位素资料:大部分裂隙富矿的δ34S值趋于零,H、O、C同位素组成落入岩浆热液区,说明岩浆热液对裂隙富矿的形成起了重要作用。
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  相似匹配句对
     METALLOGENESIS OF CONTINENTAL HYDROTHERMAL SEDIMENTATION IN WESTERN YUNNAN REGION
     滇西地区陆相热水沉积成矿作用
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     linear region;
     在频率域内,变化过程大致可划分为三个区域:I.线性区;
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     The mountainous- region in the .
     湖南省湘西山地是我国南方山地的一个重要类型。
短句来源
     ON HYDROTHERMAL ROCK
     关于热液岩
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     Hydrothermal Eruption
     水热爆炸
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There are four active hydrothermalareas in the Xian Shui-he fracture Zone of western Sichuan province; Kang-Ding、Zhong-Ku、Chan-ning and Dao-Fu、These include more than thirty hot spring groups. Based upon analytic data on hot water quality,The author has Calcu- lated the cold water portion,the original temperature and The main ionic contents of the mixetd hot watr of each hydrothermal region.The forming,concentrating and migrating characteristic of thechemtical consit- uents of hot water,and the differences...

There are four active hydrothermalareas in the Xian Shui-he fracture Zone of western Sichuan province; Kang-Ding、Zhong-Ku、Chan-ning and Dao-Fu、These include more than thirty hot spring groups. Based upon analytic data on hot water quality,The author has Calcu- lated the cold water portion,the original temperature and The main ionic contents of the mixetd hot watr of each hydrothermal region.The forming,concentrating and migrating characteristic of thechemtical consit- uents of hot water,and the differences of the hydrogeochemical Zones are discussed in detail.Finally,the writer Suggests a model for the formation and circulation of hot water. Hydrothermal areas do not exist alone,They hare the same aquifer (or geothermal reserveir),and belong to e ormous interconnected hydro- thermal systems.Recent magma activity under the depth of Kang-Dang hydrothermal area heated the cool water which infiltrated from the grou- nd surface.The hot water contains high enthalpy chlorid-bicarbonte with rich concentrations of CO_2-H_2S gas,reserved in both upper and lower aquifers. affected by rising geothermal fluid and the earth stress field,hot water rises vertically along the main fracture Zone and moves to the nor- thwest.When it reaches Kang-Ding Zong-Ku.Chan-ning and Dao-Fu regions,it ascends Continuously along the Sub-fractures and forms Sub- hydrothemal systems.Thus four hydrogeochemical Zones have fomed: (1). a high hot water zone Containing CO_2-H_2S;(2).a high-told temperature water zone Containing CO+2; (3).a mid-lower temperature water zone Con- taining N_2-CO_2;(4).a Cool carbonate water zone.

四川西部的鲜水河断裂带有四个水热活动区,即康定,中谷、乾宁和道孚,总计30多处温热泉群。本文根据热水水质分析资料,计算了各热区混合热水中的冷水份额、原始热水温度和主要离子含量,着重讨论断裂带热水化学组分的形成和迁移富集特征以及热水水文地球化学分带,在此基础上提出了热水形成与循环模式。鲜水河断裂带各区热水不是孤立存在的,它们来自共同热储,属于相互联系的庞大水热系统。康定热区深部存在近期岩浆活动,加温地表入渗冷水,形成富含CO_2—H_2S 气体的氯化物、重碳酸盐高温热水,并储存在上,下两层热储中。在热对流和地应力场驱动下,热水沿断裂带垂直上升,并向西北方向运移,依次在康定、中谷、乾宁、道孚等地沿次级断裂上升,形成次级水热系统,并构成下列四个水文地球化学带:(1)含 CO_2—H_2S 高温水带:(2)CO_2含高中温水带;(3)含N_2—CO_2,中低温水带;(4)冷碳酸水带。

AbstractIn Dongchuan ore-field, there are many basic intrusive rock bodies with more or less Cu metallogenesis, And the commercial Cu orebody and rich Cu-Fe orebody are occurred in Xintang gabbro and Bailaxi gabbro. According to the stable isotope data, the δ34S of most rich ore in fissure is near zero and H,O,C isotopic composition are in the magma hydrothermal region, which show the hydrothermal of magma has an important role in the formation of rich orebody in fissure. In Dongchuan orefield,...

AbstractIn Dongchuan ore-field, there are many basic intrusive rock bodies with more or less Cu metallogenesis, And the commercial Cu orebody and rich Cu-Fe orebody are occurred in Xintang gabbro and Bailaxi gabbro. According to the stable isotope data, the δ34S of most rich ore in fissure is near zero and H,O,C isotopic composition are in the magma hydrothermal region, which show the hydrothermal of magma has an important role in the formation of rich orebody in fissure. In Dongchuan orefield, the intrusion of basic magma supplied a part of Cu and thermal dynamic force for the deposit formation.

东川矿区多个基性侵入岩体具不同程度的铜矿化。新塘辉长岩和白锡腊辉长岩中赋存工业铜矿体及富铜铁矿体。据稳定同位素资料:大部分裂隙富矿的δ34S值趋于零,H、O、C同位素组成落入岩浆热液区,说明岩浆热液对裂隙富矿的形成起了重要作用。东川矿区基性岩浆侵入活动,对矿床的形成提供了部分铜质和热动力,即部分铜质来自基性岩浆。

The discuss on the topographical environment characteristics of typical modern marine hydrothermal activity regions will be helpful to increase understanding of the modern hydrothermal activity,the distribution rules of its mineral resources and the forming causes and mechanism,etc.The three-dimensional topography figures of major typical hydrothermal regions are drawn on the basis of field-measured bathymetric data of the Okinawa Trough and collecting a large number of data on bathymetry,multibeam...

The discuss on the topographical environment characteristics of typical modern marine hydrothermal activity regions will be helpful to increase understanding of the modern hydrothermal activity,the distribution rules of its mineral resources and the forming causes and mechanism,etc.The three-dimensional topography figures of major typical hydrothermal regions are drawn on the basis of field-measured bathymetric data of the Okinawa Trough and collecting a large number of data on bathymetry,multibeam and seismic profiles of other major typical hydrothermal regions.Through the systematic analysis and contrast studies on topographical environment characteristics of these typical regions,it is found that the hydrothermal activity only occurs under the circumstance of the particular topographical environment,though it distributes widely in the tensional tectonic environment,for instance,the mid-ocean ridges,transform faults zones,back-arc spreading basins and the modern marine craters regions.

对现代海底热液活动区地形环境特征的分析有助于增进对现代热液活动及其矿产资源分布规律、热液活动成因机制等的了解.在冲绳海槽热液活动区实测水深资料的基础上,广泛收集了其他典型热液活动区的水深、多波束、地震剖面等资料,据此绘制出主要典型热液活动区的三维地形图.通过对典型热液区地形环境特征的系统分析和对比研究发现尽管现代海底热液活动广泛分布在大洋中脊、转换断层、弧后扩张盆地等各种不同的张性构造环境及现代海底火山活动区,但也仅出现在特殊的地形环境条件下.

 
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