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combination with regional geological setting
相关语句
  结合区域地质背景
     Based on 1:200000 regional geochemical exploration data obained from "Sanjiang area", eastern Tibet, in combination with regional geological setting and ore-forming regularity, this paper probes into mineral resources and prospecting potential of this area in the light of geochemical exploration.
     根据藏东“三江”地区 1∶2 0万区域地球化学勘查资料 ,结合区域地质背景及成矿规律 ,从地球化学勘查角度对该区矿产资源及找矿潜力进行探讨。
短句来源
  相似匹配句对
     Outline of regional geological setting
     区域地质概况
短句来源
     On combination of feeling and setting
     论情景组合
短句来源
     With combination of M. D.
     D.
短句来源
     On Geological Survey of Regional Environment
     论区域环境地质调查研究
短句来源
     THE GEOLOGICAL SETTING OF TENGCHONGITE AND YINGJIANGITE
     腾冲铀矿与盈江铀矿产出的地质背景
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Based on 1:200000 regional geochemical exploration data obained from "Sanjiang area", eastern Tibet, in combination with regional geological setting and ore-forming regularity, this paper probes into mineral resources and prospecting potential of this area in the light of geochemical exploration. The geochemical exploration achievements made in "Sanjiang Area" are of great reference and utilization significance to the basic geological researches and mineral resources evaluation of this area.

根据藏东“三江”地区 1∶2 0万区域地球化学勘查资料 ,结合区域地质背景及成矿规律 ,从地球化学勘查角度对该区矿产资源及找矿潜力进行探讨。有关地球化学勘查成果 ,对“三江”地区基础地质的研究及矿产资源评价具有重要的参考和利用价值

The Nandan-Hechi metallogenetic belt is the most important tin-polymetallic producing district in China, and is the location of the Dachang super-large tin deposit. Based on the detailed field investigation and isotopic data, the stages of magmatic activity in the Nandan-Hechi metallogenetic belt have been lined out in this paper. Through the study about the geochemical characteristics of different granites, and by using Al_2O_3 vs SiO_2?TFeO/(TFeO+ MgO) vs SiO_2, AFM, ACF and Rb vs Y+Ta, Rb vs Y+Nb, Ta vs...

The Nandan-Hechi metallogenetic belt is the most important tin-polymetallic producing district in China, and is the location of the Dachang super-large tin deposit. Based on the detailed field investigation and isotopic data, the stages of magmatic activity in the Nandan-Hechi metallogenetic belt have been lined out in this paper. Through the study about the geochemical characteristics of different granites, and by using Al_2O_3 vs SiO_2?TFeO/(TFeO+ MgO) vs SiO_2, AFM, ACF and Rb vs Y+Ta, Rb vs Y+Nb, Ta vs Yb, Nb vs Y discrimination diagrams in combination with regional geological setting analysis, the authors carried out analyses about the structural environment for the formation of the granites, and discussed the structural environment and dynamic setting for the large scale mineralization in this area. Our study indicates that the majority of the granites in Nandan-Hechi metallogenetic belt belong to POG, while the later stage alaskite belongs to RRG+CEUG. The granites were formed at the stage of structure transformation from postorogenic phase to intraplate setting. But the major structural environment is steady regional extension. The formation age for the granites represents the time of this transformation, and this translation environment is favored for large-scale metallogenesis.

丹池成矿带是我国重要的锡多金属矿业基地和著名的大厂超大型锡矿产出地。本文根据野外地质观察 ,结合同位素测年资料厘定了丹池成矿带内岩浆侵入期次。在研究不同岩石类型花岗岩地球化学特征的基础上 ,运用Al2 O3 —SiO2 、TFeO/(TFeO +MgO)—SiO2 、AFM、ACF图解以及Rb—Yb +Ta、Rb—Y +Nb、Ta—Yb和Nb—Y判别图 ,结合区域地质背景分析 ,对成矿带内花岗岩成岩构造环境进行了综合判别 ,进而对区内大规模成矿作用的构造环境和动力学背景进行了探讨。研究表明 ,区内燕山晚期花岗岩主体属后造山花岗岩类 (POG型 ) ,最晚期的白岗岩为RRG +CEUG型 ,带内岩浆岩形成于后造山向板内环境的转化阶段 ,主体构造环境则为较稳定的区域拉张 ,岩体侵位时代代表了区内构造环境的转折时期 ,这种区域构造体制的转换是大规模成矿的有利动力学条件。

 
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