Geological Characteristics And Genesis Of Zhabuqi Iron Deposit Of Ximeng，Inner Mongolia

The Zhabuqi iron deposit in Xiwuqi of Inner Mongolia is a discoveredultralow-grade vanadium-bearing titanomagnetite deposit which is large scale andshallow occurrence in the last three years.The mining area belonging to the Bayingaolesumu in Xiwuzhumuqing of theInner of the Mongolia Autonomous Region, the tectonically belongs to the NorthChina plate north of the Late Paleozoic continental margin accretion zone. Magmaticrocks of the region as the gabbro and pyroxene diorite, by NE trending faults controlis closely related to the iron ore of. Region with relatively high magnetic anomalyvalues mainly at the distribution in the gabbro and pyroxene diorite, and the trend alsowas to the north east or near east-west, which reflects the boundaries of theore-bearing rock.Large number of geological studies have shown that: gabbro and pyroxenediorite the Zarb its iron ore deposits containing ore body. Orebody invasive irregularoutput in the lower part of the gabbro body, by the north-east trending faults control,and occurrence of gabbro is roughly parallel to the larger, extending from a fewhundred m to1000m, width range from tens of meters to300meters. See also latevein-like ore bodies filling in native tectonic fractures of the rock, but the scale isgenerally small.The Zarb its iron ore, the main ore minerals are magnetite, hematite, pyrite, plagioclase, apatite, pyroxene, biotite and hornblende; secondary ore mineralsilmenite and vanadium magnetite, chalcopyrite and quartz. The ore structures includedisseminated structure, vein-like structure, massive structure and block structure.oretextures have characteristics of crystallization differentiation, including the colloidaltexture, sponge iron meteorite texture, hypidiomorphic-granular texture.Among them, magnetite is mainly through sparse disseminations and sponge ironmeteorite-like filled in caulking between rock-forming mineral particles, andcrystalline differentiation of low degree, indicating that magnetite is later than theformation of pyroxene and plagioclase, which the Hebei temple Montenegrothere is acertain similarity in the vanadium-titanium magnetite.Its mine ore grade analysis is22.8%in The Zarb, reaching the industrialrequirements of the ultra-poor magnetite. Ore TiO2is1.67%; of V2O5and0.1~0.4%,an average of0.25%can recycling.Comprehensive analysis show that the ore ironproducts Ⅰ grade.Gabbro zircon U-Pb dating results show that The Zarb its iron ore mineralizationage of337±1.5Ma,meaning Late Paleozoic Early Carboniferous.According to zheresult of ore chemical analysis, we can know The Zarb its rock is mafic rock (richingin vanadium, titanium and iron)——Gabbro and pyroxene diorite, it is a kind of rocksthat favored the formation of vanadium and titanium magnetite.Contrast Panzhihuaand Hebei temple Montenegro vanadium-titanium magnetite, and analyzed the currentdata shows: the Zarb its iron ore belongs to non-layered late magmatic deposits aboutmafic pyroxene diorite rocks-gabbro. Most of the ore body is a non-layered, irregularoutput in the rock mass in the lower part of special-shaped ore body, which is amagma crystallization and differentiation-type Orebody controled by the NE to thefault-controlled magma crystallization. The development of a small amount of nativevein ore bodies in the fissures of penetration type ore deposits are magmatic rocksexisting fractures control within the magmatic rocks. Therefore,the Zarb its iron oreis the non-layered ultra-poor vanadium titanium magnetite deposit, a large maficintrusive rocks related to the case of penetration-sub-Shaped late magmatic deposits,mainly sub-Shaped. Because of the large scale of Zarb its iron ore,lying shallow in the earth, lowcost of mining,beneficiation process requirements are relatively simple, the premiseof the current iron ore market is still quite cost-effective.