Only under the condition that the deposit-geochemical type of surface indication zone belongs to wolfram-tin sulphide one, it can be suggested as a hidden or semi-hidden quartz-vein type wolframite deposits.
應(yīng)用地表標(biāo)志帶和隱伏花崗巖進(jìn)行隱伏、半隱伏石英脈型黑鎢礦床預(yù)測(cè)和評(píng)價(jià),必須研究其地質(zhì)地球化學(xué)類(lèi)型,只有屬于鎢錫硫化物型的標(biāo)志帶,才具有找礦評(píng)價(jià)意義。
During wax-setting jewelry casting,the gems were prone to crack or darken since they had to withstand the high temperature roasting,the heat impact caused by molten metal during pouring,and the mechanical stress during solidification shrinkage,especially in multi-gems channel setting,which caused great loss to the jewelry company.
蠟鑲鑄造中,寶石要承受高溫焙燒和澆注時(shí)高溫金屬液的熱沖擊,以及鑄造收縮過(guò)程中產(chǎn)生的機(jī)械應(yīng)力等影響,特別是在迫鑲多粒寶石時(shí),很容易發(fā)生爛石黑石問(wèn)題,給企業(yè)造成很大經(jīng)濟(jì)損失。
Nests of tungsten ore with various shapes, sizes can often be found in the granite associated with quartz vein tungsten deposits.
地質(zhì)和實(shí)驗(yàn)資料表明,此類(lèi)花崗質(zhì)巖漿體系中不僅存在液態(tài)分離作用形成熔離礦化囊包體,而且熔離成因的黑鎢礦礦囊可作為巖體可以形成巖漿熱液鎢礦的標(biāo)志,同時(shí)說(shuō)明石英脈型黑鎢礦床的剝蝕深度較大。
The Features of Cambrian Strata and Its Implication to Exploration of Quartz Vein Wolframite in the Yaoling Tungsten Mining Area
瑤嶺鎢礦區(qū)寒武紀(jì)地層特征對(duì)尋找石英脈型黑鎢礦的指示意義
An infrared microscope investigation of fluid inclusions in coexisting quartz and wolframite:A case study of Yaogangxian quartz-vein wolframite deposit
共生黑鎢礦與石英中流體包裹體紅外顯微對(duì)比研究——以瑤崗仙石英脈型鎢礦床為例
DISCOVERY AND ITS SIGNIFICANCE OF MELT INCLUSIONS WITHIN BERYL FROM THE WOLFRAMITE-QUARTZ VEINS IN XIHUASHAN OREFIELD,JIANGXI
西華山黑鎢礦石英脈綠柱石中熔融包裹體的發(fā)現(xiàn)及其意義
The Huangsha tungsten deposit is a large vein-type polymetallic sulfide-richwolframite deposit.
黃沙鎢礦為一大型含多金屬硫化物的脈狀黑鎢礦礦床。
a mineral consisting of iron-manganese tungstate in crystalline form; the principal ore of tungsten; found in quartz veins associated with granitic rocks.
一種由鐵錳鎢酸鹽組成的礦物，晶體狀，主要的鎢礦石，見(jiàn)于與花崗巖伴生的石英脈中。
The Geological Features and Evolution of Metallogenic Tectonics of the Ore Bearing Quartz Veins at Hukeng Tungsten Deposit, Jiangxi Province
江西滸坑鎢礦含礦石英脈地質(zhì)特征及其構(gòu)造演化
Mineral Processing of Quartz Vein Type Complication Multi-metal Ore
石英脈型復(fù)雜多金屬礦選礦試驗(yàn)研究
Genesis of K-Feldspar-Quartz Vein Type Molybdenum Deposit in Songxian County,Henan
河南嵩縣鉀長(zhǎng)石石英脈型鉬礦礦床成因分析
Quartz is a major carrier of gold in quartz vein deposit.
石英是石英脈型金礦床中金礦物的主要載體礦物。
Gold ore main type is auriferous quartz vein type.
金礦床主要為含金硫化物石英脈型。
GEOLOGIC CHARACTERISTICS AND METALLOGENIC PROGNOSIS OF POTASSIUM FELDSPA QUARTZ VEIN-TYPE MOLYBDENUM DEPOSITS IN SONGXIAN COUNTY OF HENAN PROVINCE
嵩縣鉀長(zhǎng)石英脈型鉬礦地質(zhì)特征及成礦預(yù)測(cè)
On Exploration Practice of Greisen Type Deposit in Jiuxi Mining Area
蕩坪鎢礦九西礦區(qū)云英巖型鎢礦床生產(chǎn)期探礦實(shí)踐
On the Ore-control Mechanism and Mineralization Structure of Greisen Tungsten Deposit in a Tungsten Mine
蕩坪鎢礦九西礦區(qū)云英巖型鎢礦床構(gòu)造控礦機(jī)制探討
The main mineralized types are quartz vein type and alteration pattern with fracture zone.
主要礦化類(lèi)型有石英脈型和破碎帶蝕變巖型。
The useful ore mineral is barite and the gangue minerals are mainly calcite, clay mineral and quartz et al.
礦石礦物為重晶石，脈石礦物主要有方解石、粘土礦物和石英等。
URANIUM EXTRACTION FROM CARBONATE-TYPE ARGILLACEOUS URANIUM ORE CONTAINING TUNGSTEN AND URANIUM-TUNGSTEN SEPARATION
從碳酸鹽型含鎢的泥質(zhì)鈾礦石中提取鈾及鈾鎢分離
Genetic Mineralogy and Depth Prospecting Prediction of Yi Xingzhai Quartz Vein Type Gold Deposit in Fan Shi County, Shan Xi Province
山西省繁峙縣義興寨石英脈型金礦成因礦物學(xué)研究與深部預(yù)測(cè)
Process Mineralogy Study on Goldin a Quartz Vein Type Polymetallic Sulphid Deposit
某石英脈型多金屬硫化物金礦的工藝礦物學(xué)研究