metallogenic epoch

The principal metallogenic epoch is the late Variscianearly Yanshan .

华力西晚期&燕山早期为主要成矿期。

Secondly , the factor loading matrix is calculated according to quadrant using factorial analysis and elementary paragenetic rules of combination and metallogenic epoch represented by factor axis are analyzed .

其次，按象限计算因子载荷矩阵，分析各因子轴所代表的元素共生组合规律和成矿期次。

A primary discussion on metallogenic epoch of china 's gold deposits

初论中国金矿床的成矿时代

Discussion on the metallogenic epoch of gold deposits in Fujian province , southeast China

福建省金矿床成矿时代特点

The metallogenic epoch of gold deposits in China

中国金矿床成矿时代初探

Finally a new exploration theory has been put forward according to the new idea of metallogenic epoch and key controlling factor .

最后，根据成矿时代和关键控矿因素的新认识，提出新的找矿理论。

: Fission track analysis of minerals may be effective in the study of the metallogenic epoch of hydrothermal deposits .

矿物的裂变径迹年龄分析可有效地用于热液矿床成矿时代的研究。

All these fluorite deposits are young in their metallogenic epoch and related to the late - magmatic active process .

萤石矿床形成时代都较晚，且大多数与晚期岩浆活动有关。

All of mineralization are related to structural deformation magmatic activity . Metallogenic epoch principally concentrates in 260 & 120 Ma .

成矿作用均伴随有强烈的构造&岩浆活动，成矿时代多集中在260～120Ma。

Metallogenic epoch and genesis of the Bayan Obo niobium-ree-iron deposit , Inner Mongolia

内蒙白云鄂博铌、稀土、铁矿床的成矿时代和矿床成因

The coupling of tectonic stress field of metallogenic epoch , thermodynamic field and geochemical field and metallogenic analysis in the middle of shanhu , Guangxi

广西珊瑚矿区中部成矿期构造应力场、热力场和地球化学场的耦合作用及成矿分析

On metallogenic epoch , major metallogenic epoch were Triassic , Jurassic-Cretaceous and Lower Tertiary-Upper Tertiary .

在成矿时代上指出三叠纪、侏罗白垩纪和古近纪新近纪为主要成矿期；

Geological characteristics and metallogenic epoch of the Lishan molybdenum deposit-A discussion on regional prospecting for Mo in the southeastern coast of China

福建砺山钼矿的地质特征、成矿时代及区域找矿前景

The structure breaking up and rock alteration stage after dike rock formation is the main metallogenic epoch . The genesis type of the gold deposit is structure alteration rock type .

主成矿期发生于脉岩形成后的构造破碎及岩石蚀变阶段，矿床为构造蚀变岩型金矿床。

Metallogenic epoch and geodynamic framework of Cu-Au-Mo - ( W ) deposits in Southeastern Hubei Province : Constraints from Re-Os molybdenite ages

鄂东南地区Cu-Au-Mo-（W）矿床的成矿时代及其成矿地球动力学背景探讨：辉钼矿Re-Os同位素年龄

Aiming at the metallogenic epoch , metallogenic depth and the genesis of the deposit in Xiaoqinling gold field , the evidence of tectonic geology is given out .

对小秦岭金矿田的成矿时代、成矿深度、矿床成因等地质问题，给出了构造地质学方面的判据。

In gold deposit , the gold fineness is related with lots of factors such as the genesis , metallogenic epoch , depth of ore deposit and property of metallogenic fluids etc.

金矿床中金的成色与矿床的成因、成矿时代、成矿深度、成矿流体的性质等多种因素有关。

Abstract The period from the end of Late Proterozoic Era to Cambrian is an important metallogenic epoch of the massive sulfide copper-polymetallic deposits , which occurs in marine volcanic rocks .

元古代末－寒武纪是北祁连山与海相火山岩有关的块状铜多金属硫化物矿床的主要成矿时期。

According to the view of structural ore control , the author has expounded the relation between the tectonic activities and orebody location by way of the analysing of ore hosted faulted activities in the metallogenic epoch .

根据构造控矿的观点，通过对成矿期内容矿断裂活动分析，阐述了构造活动与矿体定位的关系。

Based on the isotope dates available for antimony deposits , South China , the authors , guided by the theory of tectonic-magmatic activation , preliminarily studied the metallogenic epoch and metallogenic tectonic background of the Sb ore belt , South China .

在收集整理已有的同位素定年数据的基础上，应用构造-岩浆活化理论分析了华南锑矿带的成矿时代和成矿构造环境。

According to the metallogenic epoch of 704 main gold deposit in China , the gold deposit can be divided into seven mineralization epoch : Early Proterozoic , Middle Late Proterozoic , Lower Paleozoic , Upper Paleozoic , Cenozoic Eras and Triassic , Jurassic Cretaceous Periods .

根据704个主要金矿床的成矿时代研究，将中国金矿床划分为古元古代、中新元古代、早古生代、晚古生代、三叠纪、侏罗-白垩纪、新生代7个成矿期。

Metallogenic epoch belongs to Late-Caledonian . According to Rb Sr K At and U Pb isotopic dating , and oxygen , lead and sulfur stable isotope data along with the geologic characteristics of the ore deposit it is believed that the oreforming solution was derived dominantly form meteoric water ;

根据RbSr，UPb和KAr同位素年龄以及氧、铅和硫稳定同位素资料，并结合矿区的地质特征，笔者认为：成矿溶液以大气降水来源为主；

The gold deposits , related to volcanic-subvolcanic-porphyry metallogenic series of Yanshan epoch in Northern Jiangxi Province , belong to one of the most important gold metallogenic series .

南天山英买来花岗岩：磁铁矿系列还是钛铁矿系列？燕山期火山－次火山－浅成斑岩金矿成矿系列构成了赣北地区一个重要的金矿成矿系列。

Characteristics and metallogenic geological conditions , distributive pattern and main metallogenic epoch of rare and rare-earth metal and precious metal deposits are summarized .

概述了湖南省稀有稀土贵金属矿床特征及其成矿地质条件、矿床分布规律和主要成矿期。