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Molybdenum Deposit

Molybdenum is used extensively for heating and structural materials . Light power vacuum and semiconductor materials. Molybdenum mineral known 30 species, but only with industrial significance of molybdenite. Molybdenum industrial minerals, according to the oxidation rate of different sulfide ores (oxidation rate <10%) ﹑ oxide ore (oxide ratio ≧ 10%). Molybdenum industrial index: sulfide ores (Mo) boundary grade, open-pit mining pit mining ﹑ 0.03% from 0.03 to 0.05%; the lowest industrial-grade, open-pit mining 0.06%, 0.06 to 0.08% pit mining.

Molybdenum deposits are mainly two types of endogenous and exogenous, the former is the current industry deposit; the latter is a sedimentary deposits, is still a potential resource. Common endogenous molybdenum deposit, produced in granitoids within and near the surrounding rock. Of which there are three main types:

① Porphyry molybdenum deposit. Produced in granitoids within and surrounding rock. Orebody morphology depends rock form, was bedded ﹑ ﹑ lenticular veins. Generally consists of disseminated fine veinlets or stockwork ore interwoven. Porphyry breccia pipe bursting often disseminated molybdenum ore. According to a combination of metal mineralization, porphyry molybdenum deposits in a single deposit, such as Jilin Montenegro ore; molybdenum tungsten deposits, such as Henan Nanniwan - three Colliery; molybdenum copper deposit, such as a small temple in Hebei coal mine.

② Molybdenum skarn deposits. Produced in granitoids and Carbonate rock contact zone, as well as inter-layer along the outer contact zone of development. Complex ore body shape, mostly lenticular bedded ﹑ ﹑ veins. Deposit type is generally large ﹑ medium. Skarn deposits there are three kinds of mineral combinations: single molybdenum deposits, such as Liaoning Yangjiazhangzi Ridge before mine; molybdenum copper deposit, such as Jiangsu Tongshan ore; molybdenum tungsten polymetallic deposits, such as Shizhuyuan mine.

③ Vein-type molybdenum deposits. Produced in fractured granite rock mass and its nearby ﹑ clastic carbonate rocks or volcanic tuff wall rocks. Ore veins or veinlets was like. Moderate to relatively poor grade molybdenum. Deposit size is generally small in ﹑. By mineral assemblages can be divided into single-molybdenum deposits, such as Qingtian Shiping River mine; molybdenum tungsten deposits, such as Guangdong, China Whitehead five peaks ore; molybdenum copper deposit, as well Huaining bull mine.

 

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