因此，找矿重点是寻找矿源层。
矿源层为中三叠统浊积岩。
矿源层是某些类型金矿成矿的必要条件之一。
The feature of the source bed is the essential condition for the formation of gold deposits of cer-tain types.
二云母片岩不仅是矿源层，而且还是赋矿围岩。
Two mica schists are considered to be the source bed and host rock of gold.
花岗岩不仅使金活化转移，而且也是第二矿源层。
The granites not only caused the remobilization of gold but also serve as the secondary source bed.
上震旦统灯影组前震旦系康定群是本区有利矿源层。
The favorable source beds in this district are Presinian Kangding Group and DengyingFormation of upper Sinian series.
成矿受矿源层、地层岩性、气候、构造、地貌等因素控制。
The mineralization of the bauxite deposits is controlled by source-bed, lithology, climate, structure and geography.
在杨子地块北缘的被动陆缘拉张海盆形成了与沉积有关的矿源层。
In contrast, sedimentation related source beds were traceable to some basins caused by tensional events along the northern margin of the Yangtze massif.
成矿作用以特有的断层—不整合面复合构造控制和改造锡矿源层；
The mineralization was controlled by the specific fault- unconformity composite tectonics and by the transformation of tin source bed.
同生沉积（成岩）作用形成矿源层，后期改造（叠加）形成矿体。
The metallogenetic model is that the ore origin bed was formed by syngenetic sedimentation (diagenesis) and the ore body by the later reformation (superimposition).
认为含矿岩系的物源主要来自海底火山喷发作用形成的黄铁矿化矿源层。
According to the study of the mineral evolving, origin analysis etc., it is considered that the source of minerals etc mainly comes from the pyritization sources of the submarine volcano eruption.
矿床的形成是在板溪群矿源层的基础上，经构造—变质作用的改造富集而成。
The deposits were formed on the foundation of the source beds of Banxi Group through reworking and enrichment of structural metamorphism.
四川若尔盖北部寒武系太阳顶群为金矿矿源层，硅质岩为其中的主要组成部分。
Cambrian Taiyangding Group, located in the northern part of Ruoergai in Sichuan province, is an important gold-bearing formation.
即地洼盆地沉积前基盘构造控制了盆地的形态及矿源层的展布方向和物质来源；
That is' the structures before sedimenting control the shape of basin, the distributed directions of source beds and the material source;
区域地层岩石中微量元素分析结果显示，前泥盆系浅变质碎屑岩是主要的矿源层。
The results of trace element analysis of regional stratigraphy show that slightly metamorphosed pre Devonian clastic rocks are main source strata for gold and antimony deposits.
通过对矿区矿石、岩石中铅、硫、氧同位素组成研究，查明青龙村群为金的矿源层。
Based on the research of isotope ratios of lead, sulfur, oxygen and carbon in the ores and rocks of this area, it is held that Qinglongcun Group serve as the source bed of gold.
通过稀土元素特征的分析，认为基性火山岩为该矿的矿源层，并指出了找矿远景地段。
The REE geochemical characteristics indicate that the basic volcanic rock is the source bed. The prospecting targets are pointed out.
始态可概括为源区、源岩、库岩、矿源层和剥蚀区等，终态可以概括为矿带、矿田和矿床等多个等级体制。
The initial state can be summarized as source region, source rock, reservoir rock, source bed, a denudation area, etc.
小秦岭金矿田的成矿地质条件是矿源（矿源层）、热源、搬运介质和构造条件构成的统一整体，缺一不可。
Source bed, transporting medium and structural status make up the whole ore-forming geological conditions on Xiaoqinling gold ore field.
从区域成矿地质背景及控矿因素来看，大地构造环境制约着“矿源层”及赋矿地层的形成，区域断裂构造控制着金成矿带及金矿床的空间分布。
The formation and distribution of gold-deposits were controlled by tectonic setting in the area. The gold deposits controlled by ore-forming structure were discussed in this paper.
从区域成矿地质背景及控矿因素来看，大地构造环境制约着“矿源层”及赋矿地层的形成，区域断裂构造控制着金成矿带及金矿床的空间分布。
The formation and distribution of gold-deposits were controlled by tectonic setting in the area. The gold deposits controlled by ore-forming structure were discussed in this paper.
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