铀成矿时代主要集中于白垩-第三纪。
Metallogenetic epoch of uranium is mainly concentrated in Cretaceous-Teytiary periods.
成矿时代属早—中海西期。
成矿时代为中元古代早期。
The mineralization epoch is the early period of mesoproterozoic era.
成矿时代以新生代及白垩纪—新生代为主。
The mineralization ages are represented by the Cenozoic and Cretaceous-Cenozoic times.
应用裂变径迹法研究成矿时代是一新的尝试。
It is a new attempt to study mineralization age using fission track method.
热水沉积型矿床，矿体呈层状，规模为大型，成矿时代为二叠纪。
About hot water depositional ore deposit, the ore body present layer in shape, large scale ore deposit, and formed in Permian period.
这一结果与粤西-海南成矿带的成矿时代特征及特提斯构造演化特点相吻合。
This is identical with the characteristics of west Guangdong Hainan gold metallogenic belt and the evolution of Tethys tectonics.
矿床成矿时代是矿床成因研究的重要任务之一，长期以来只能通过间接方法确定。
The mineralization age of ore deposits is one of the important subjects in the study of the genesis of ore deposits and it has long been obtained by means of indirect methods.
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。
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.
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。
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.
通过对北山南带西段金矿的成矿环境和控制因素的分析，讨论了矿床的成矿时代和空间分布规律。
This paper deals with the metallogenic environment and ore controlling factors of gold ore deposits in western section of south belt of Beishan.
尽管我国好多矿床已经测得了大量同位素年龄资料，但这决不等于这些年龄数据均能标定成矿过程中某一地质事件发生的时代。
A lot of isotopic age data of many significant ore deposits in China have been obtained, but a certain geologic event in the mineralization process can not be marked by them.
结合地质特征，认为其代表了成矿热事件的活动时代和特征。
They reflect the ages and characteristics of mineralizing thermal events in accordance with geological setting.
但由于该区的层间氧化带形成的时代较新，且成矿的铀源条件相对较差，因此，该区黄色层间氧化带的成矿前景还需进一步探索。
Due to the young age of interlayer oxidation and unsatisfied uranium sources, uranium metallogenic prospect of this area need more research and exploration.
研究认为在不同时代、不同地质构造单元中重复出现的矿床成矿系列，可称为矿床成矿系列类型。
Metallogenic series of ore deposits that could occur repeatedly in different epochs and different tectonic units are named metallogenic series types of ore deposits.
详细研究了燕山东段地区花岗岩类的侵入时代、产出形式和成因类型，指出该区与花岗岩有关的三个金属成矿系列。
A close research has been carried out on the intrusion age, occurrence and genetic type of granitoid rocks in east section of Yanshan area. Three metallogenic series have been pointed out.
详细研究了燕山东段地区花岗岩类的侵入时代、产出形式和成因类型，指出该区与花岗岩有关的三个金属成矿系列。
A close research has been carried out on the intrusion age, occurrence and genetic type of granitoid rocks in east section of Yanshan area. Three metallogenic series have been pointed out.
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