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- It belongs to the micrograined Au deposit of structural hydrothermal alteration type. 明显受构造、地层及岩性控制,属构造一热液蚀变岩型微粒金矿。
- The faulted structure,hydrothermal alteration,gossan,geophysical-geochemical exploration anomalies are comprehensive ore-hunting indicators. 断裂构造、热液蚀变、铁帽、物化探异常为重要的找矿标志。
- Hydrothermal alteration is closely associated with gold mineralization, but different types play different roles in gold mineralization. 热液蚀变与金矿化关系密切,但不同的蚀变对金矿化作用不同。
- Sarbulak gold deposit in Xinjiang is of structural-hydrothermal alteration type, with many types of hydrothermal alteration and complicated alignment. 摘要新疆萨尔布拉克金矿床为典型的构造-热液蚀变型矿床。
- The results show feasibility of the infrared band for interpretation of hydrothermal alteration anomalies in east Tibet. 解译结果显示:在藏东特殊的地质成因下,应用热红外波段进行蚀变异常解译具有可行性。
- Illite jade, in vein, was discovered in some copper mine, located in Daye county, HubeiProvince, and is a rind hydrothermal alteration rock from anorthosite. 伊利石玉产于湖北省大冶市某铜矿区内。玉石矿体呈脉状产出,系由斜长岩脉经热液蚀变而形成。
- The original rocks of the mineral deposit are rhyolite and tuff.Due to hydrothermal alteration under proper conditions the ore can be formed.It is also shown that the bentonites are calcareous ones. 综合研究表明,该矿床是以流纹岩及凝灰岩为成矿原岩,在特定的条件下,经热液蚀变改造而形成的矿床。
- The research results show that the degrees of hydrothermal alteration, silicification and mineralization are higher, and the prospecting target is located in the south part and the deep district. 黄铁绢英岩中出现微细石膏,反映在成矿过程中可能出现过氧化阶段,是出现富矿的显示。
- The Sn granites are characterized by biotite and titanite as Sn-bearing minerals, which suffured hydrothermal alteration, leading to tin leaching and subsequent crystallization of cassiterite. 前者以黑云母、榍石为典型含锡矿物,它们在流体富集阶段,经热液蚀变作用,导致锡的淋滤和结晶富集作用;
- Chen, C.-C. and Yuan, Jennwei(1984) Theoretical consideration on the possibility of a hydrothermal alteration trap: a new model of trap for hydrocarbon. Petroleum Geology of Taiwan, 20, 165-171. 陈其瑞、原振维(1984)热水换质封闭的理论探讨:储油气封闭的新模式。台湾石油地质,第20号,第165-171页。
- Petrological and mineralogical examinations of core material can be used to identify hydrothermal alterations. 岩芯的岩石学和矿物学研究也能用来鉴定水热蚀变。
- Hydrothermal alterations in gold-hosting turbidites include silicification, py-ritization,and decarbonatization. 成矿溶液具有还原、偏酸性特征。
- hydrothermal alteration signatures 热液蚀变标志
- This is due to the higher weathering resistance of hydrothermally altered rock. 这是由于热液蚀变岩石具有较高的抗风化力的缘故。
- Hydrothermal Alteration and Evalution in Yangyi Geothermal Field 西藏羊易地热田的水热蚀变及地热地质意义
- No one can alter the fact, ex post facto. 没有人能在事后改变事实本身。
- The ore body and the mineralization occurs in the SN-trending fault.The hydrothermal alterations related to the mineralization are sericitization,silicification,pyritization and albitization. 产于太古宇建平群小塔子沟组片麻岩中,受生金皋断裂控制,矿体和矿化体产于近SN向断裂内,与矿化有关的热液蚀变有绢云母化、硅化、黄铁矿化、钠长石化等。
- There is a structural alteration to the building. 这座建筑物在这有一处结构上的改变。
- A small alteration, adjustment, or limitation. 更改小小的改变,调正或限制
- This agreement is not susceptible to alteration. 这一协议不容更改。