ore-forming age

Discussion on metallogenic epoch of Puziwan gold deposit,shanxi;山西堡子湾金矿成矿时代探讨zht汉语字典

Study on metallogenic epoch and metallogenic stages of the Hadamengou gold deposit,Inner Mongolia;内蒙古哈达门沟金矿成矿时代及成矿阶段研究zht汉语字典

The metallogenic epoch of gold deposits in China can be summarized as "one older epoch and one younger epoch, different between the east and the west and between the south and the north of China".中国金矿床成矿时代特点可以概括为“一老一新成矿 ,东西南北有别”。zht汉语字典

The metallogenetic epoch of the silver deposits in Yanshan area ranges from 195 to 100 Ma.本区银矿成矿时代为195～100Ma;成矿物质以深部来源为主,兼有基底和盖层物质加入;成矿热液主要是岩浆水中混入大量天水的混合水。zht汉语字典

Three major metallogenetic epochs in the evolution are late Archean (2 700￣2 600 Ma) greenstone, late Palezoic (450￣340 Ma) epigenetic and Mesozoic mesothermal—Cenozoic epithermal types gold mineralization epoch, respectively.中国金矿床最重要的成矿时代为中生代（侏罗—白垩纪），缺乏国外广泛出现的新太古代绿岩型金矿化和新生代金矿化。zht汉语字典

In this paper, based on the metallogenetic epoch, the source of base metals and ore-forming fluid arid the relationship between Emeishan Basalt and min.本文从成矿时代、成矿物质来源、成矿流体来源与演化、以及峨眉山玄武岩与成矿的关系等方面分析了会泽超大型铅锌矿床的研究进展及国内外研究现状。zht汉语字典

Orebodies are controlled by NWW-EW directional fractures and metallogenic age is 239±34Ma.通过对矿质来源、控矿构造、流体特征、成矿时代等控矿因素的分析 ,确定早期成矿作用为中高温热液蚀变岩型 ,矿体受北西西—东西向张性断裂控制 ,成矿年龄为 (2 39± 34 )Ma,与华力西晚期的岩浆活动有关 ;晚期成矿作用为中温热液充填脉型 ,矿体受北北西—北西向压扭性断裂控制 ,其成因与燕山期的岩浆活动有关。zht汉语字典

In order to study the sources of ore-forming material and ore-forming age, this paper analyzed the ore sulphide sulfur and lead compositions in the main five deposits and did chronological research.为查明梅仙式铅锌银矿床的金属成矿物质来源和成矿时代,本文对其中5个主要矿床进行了矿石矿物和围岩的硫、铅同位素测试和同位素地质年代学研究。zht汉语字典

Using the conventional 40Ar- 39Ar age dating technique, the ore-forming age of 118.采用Rb Sr同位素定年方法 ,对新疆卡拉脚古牙锑金矿床赋矿地层的含炭泥质千枚岩进行测定 ,获得Rb Sr等时线年龄 379± 1 9Ma ;成矿时代采用主成矿期与锑金共生的石英 ,利用4 0 Ar- 39Ar法获得成矿时代为 1 1 8。zht汉语字典

Although the metallogenic age of this deposit is not known, studies show that it was formed in Caledonian, with the rock-forming age earlier than the ore-forming age.在空间上,石居里辉长岩与石居里铜矿紧密相关,石居里辉长岩位于石居里铜矿的下部;在时间上,虽然目前尚无石居里铜矿的成矿时代年龄,但研究认为与石居里辉长岩同属加里东期,而且成岩时代早于成矿时代,因此推测石居里辉长岩为可能为石居里铜矿提供了热源。zht汉语字典

The authors determined metallogenic time of gold by means ores and fluid inclusion Rb-Sr isochrons.本文根据最新获得的两组矿石和含矿石英中流体包裹体的Ｒｂ－Ｓｒ等时线年龄数据和初始锶同位素组成及２１个新测定的矿石、石英及围岩（石英闪长岩）的铅同位素组成，讨论了璜山金矿床的成矿时代、矿床成因及物质来源等问题。zht汉语字典

The metallogenic time covers late Archaeozoic, Proterozoic, Paleozoic and Mesozoic.夹皮沟金矿集中区涉及花岗岩－绿岩带、高级变质区、色洛河群盖层３个赋金地质单元，其成矿时代包括晚太古宙、元古宙、古生代、中生代４个主成矿期。zht汉语字典

The major type,mineralization feature and date of molybdenum deposit in east Qinling东秦岭钼矿的主要类型、成矿特征和成矿时代zht汉语字典

Metallogenic epoch of the Shuangquan gold deposit in Qitai area, Xinjiang, China新疆奇台地区双泉金矿床的成矿时代zht汉语字典

The Rock-and Ore-forming Ages of the Laochang Porphyry Molybdenum Deposit in Lancang,Yunnan云南澜沧老厂斑岩钼矿成岩成矿时代研究zht汉语字典

Ore-Forming Age of Molybdenite Deposit in the Sanchagou Gold Ore Area and Prospecting Direction in the Zhongtiao Mountain Region三岔沟金矿区钼矿成矿时代及中条山区找矿方向的研究zht汉语字典

Metallogenic ages of tungsten-tin polymetallic deposits in Lianping area,northern Guangdong Province粤北连平地区钨锡多金属矿床成矿时代研究zht汉语字典

ANALYSIS OF THE MAIN TYPES AND MINERALOGENETIC EPOCH OF DONG QINLING MOLYBDENUM DEPOSITS东秦岭钼矿的主要类型和成矿时代浅析zht汉语字典

The metallogenic source material comes from the upper mantle and the lower crust.主要成矿时代为晚石炭世－早二叠世。zht汉语字典

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zht汉语字典

Copper and gold metallogenic epoch and prospecting potential in Qiongheba area of Yiwu County,Xinjiang新疆伊吾琼河坝地区铜、金矿成矿时代及其找矿前景zht汉语字典

Reconstraint from Zircon SHRIMP U-Pb Dating on the Age of Magma Intrusion and Mineralization in Xitian Tungsten-tin Polymetallic Orefield,Eastern Hunan Province湘东锡田钨锡多金属矿区成岩成矿时代的再厘定zht汉语字典

Sedimentation-diagenesis deposits mainly formed during late Sinian to Cambrian period, such as Bingtongshan PbZn deposits and Aozigang deposits.沉积成岩型铅锌矿主要成矿时代属晚震旦世~武纪，如冰洞山式铅锌矿床和凹子岗锌矿床。zht汉语字典

Study on the metallogenetic era of the silicated mudstone type gold deposit in South Subzone of west Qinling西秦岭南亚带硅灰泥岩型金矿床的成矿时代研究zht汉语字典

Study on Geological and Geochemical Characteristics and Metallogenic Time of Baogutu Porphyry Copper Deposit;新疆包古图斑岩铜矿地质地球化学特征及成矿时代zht汉语字典

This type of graphite deposits were formend in the Late Archaean to Early Proterozoic.该类矿床的成矿时代多集中在晚太古代末至早元古代初期,并且具有全球性。zht汉语字典

Ages and tectonic environment of the Bangong Co porphyry copper belt in western Tibet, China藏西班公湖斑岩铜矿带的形成时代与成矿构造环境zht汉语字典

Determination of the age of gold deposits in southeastern Guizhou: with a discussion of the Caledonian Hunan-Guizhou gold ore belt黔东南金矿形成时代的确定兼论湘黔加里东金矿带zht汉语字典

CORRESPONDING CHRONOGENESIS BETWEEN THE MESOZOIC METALLOGENY AND MAGMATIC ACTIVITY IN NORTHEAST CHINA东北地区中生代区域成矿与岩浆活动时序特征zht汉语字典

ON THE ENVIRONMENT AND GEOLOGICAL AGE OF TWO ORES IN BEIJING REGION FROM SPORO-POLLEN ANALYSIS从孢粉分析试论北京地区两泥炭矿的时代和形成环境zht汉语字典