The δ 34 S values of stibnite (−1.32‰ to +2.86‰) and pyrite (+17.4‰ to +23.6‰) are very different, suggesting multi-sulfur sources involving buried magmatic rocks, ore-bearing meta-sedimentary rocks and deep basement rocks. The decreasing of REE contents from early to late mineralization stages reflects a decrease of temperature ...Web

The activation energy of the stibnite dissolution was assessed as 19.13 kJ/mol using a two-dimensional diffusion-reaction model. ... In a recent study, cyanidation experiments carried out on a Barika multi-element-bearing ore sample containing antimony of 619.7 g/t and many other elements including Ag, ...Web

... The use of a water-soluble sodium zinc cyanide complex (ZnO + NaCN) as a depressant for iron sulphides such as pyrite in a stibnite-bearing ore or bulk stibnite …Web

Stibnite is a key ore mineral in this region. Russia: Russia has stibnite deposits in several regions, including the Kamchatka Peninsula and the Far East. The Sarylakh-Surma and Vostok-2 deposits are examples of stibnite-rich deposits in Russia. ... Babbitt metal, which contains antimony, is used for bearings and other applications …Web

The Daocaowan antimony (Sb) deposit is a newly discovered Sb deposit located outside the northeast Xikuangshan ore field. In the absence of geochemical data, the metallogenic mechanism of the Daocaowan Sb deposit and its relationship with the Xikuangshan ore field remains unclear. Using high-resolution LA-ICP-MS technique, this …Web

Gold-bearing pyrite cinder is an important second resource (He et al., 2014; Wang et al., 2018), which is usually utilized the chlorination–volatilization method to reclaim gold (Ding et al., 2017; Li et al., 2018). ... Slurry electrolysis was also presented to extract antimony from high arsenic and gold-containing stibnite ore to produce ...Web

The main Sb mineral in the studied ore deposits is stibnite. There is, however, no textural evidence of multiple stibnite-II generations. ... All these authors agree that the hydrothermal precipitation commenced with quartz and Au-bearing pyrite and arsenopyrite with minor gudmundite in substage I. These minerals were followed by …Web

Heated by granitic magmatism, Sb and S were leached from the basement rocks, forming an initial Si-rich and alkaline ore-bearing fluid. Precipitation of stibnite from the fluid resulted from interacting with wall-rocks and mixing of meteoric water, coupled by releasing of stress, decreasing of temperature and lowering of the pH at higher ...Web

The main ore mineral assemblage includes stibnite + berth-ierite + sphalerite + pyrite + chalcopyrite + native antimony and traces of wolframite, galena, …Web

The ore minerals of Sb orebodies are mainly stibnite, and include small amounts of pyrite, native Sb, and chalcopyrite. Show abstract Despite the Xiangzhong metallogenic province being globally the most important ore-concentrated area of antimony (Sb) mineralization, the genesis of Sb-(Au-W) deposits in this region is still under debate.Web

A native element; antimony metal is extracted from stibnite ore and other minerals. Used as a hardening alloy for lead, especially storage batteries and cable sheaths; also used in bearing metal, type metal, solder, collapsible tubes and foil, sheet and pipes and semiconductor technology. Antimony is used as a flame retardant, in fireworks, and ...Web

The ore component is quite simple with stibnite as the solely dominant ore mineral (Fig. 4 c) associated with trace pyrite. Gangue minerals are generally rare and are dominated by quartz (Fig. 4 b, c), less calcite and minor barite, fluorite, dickite, and talc (Peng et al., 2003, Hu and Peng, 2018). Stibnite typically yields good crystal shapes ...Web

Antimony recovery from stibnite ore by FeCl 3 (adapted with modifications from Ye et al. 2019a). Different pre-treatment methods have been investigated on Sb-bearing refractory gold or silver ores/concentrates for precious metals leaching.Web

Stage I scheelite and quartz ore bodies occur at the footwall of the Woxi Fault; c. Stage II Py2-bearing quartz veins cut Stage I scheelite-bearing quartz veins; d. A stage III stibnite-bearing quartz vein develops parallel to …Web

In particular, the well water G4 from the non-ore-bearing strata is characterized by low Sb concentrations and the highest ... Outside of mining, stibnite ore occurs in the A-aquifer, and the Sb isotopic signature of groundwater from the A-aquifer is mainly controlled by the oxidative dissolution of bedrock, such as stibnite and silicified ...Web

Leaching of Sb 2 S 3 ore in an alkaline system involves the combination of sodium sulphide (Na 2 S) and sodium hydroxide (NaOH) to form a solution of sodium thioantimonite as shown in reactions 1 ...Web

Stibnite closely coexists with cinnabar, and the content of stibnite increases slightly with the depth of Hg-Sb veins (Figs. 3 and 4b-c, h-i). The subtypes of ore bodies are represented by the No. 2, 3, 7 and 10 ore bodies in the southern ore block and the No. 16, 28, 55 and 45 ore bodies in the northern ore block, respectively (Fig. 2).Web

Abstract The article discusses the features of the composition, age, and genesis of gold–antimony mineralization of the East Sayan based on the example of the largest Tumannoe ore occurrence. It is shown that objects of this type are rare in the considered region. In the course of studies, it was found that stibnite, pyrite, and …Web

The δ 34 S values of stibnite (−1.32‰ to +2.86‰) and pyrite (+17.4‰ to +23.6‰) are very different, suggesting multi-sulfur sources involving buried magmatic rocks, ore-bearing meta ...Web

However, it should be noted that the literature concerning Hg-bearing stibnite, as far as we know, is rather limited, and this leads to the presumption that perhaps Hg (due to the absence of boulangerite in the …Web

Our study shows that the Qinglong Sb mineralization (early-ore stage) was dominated by quartz-stibnite ± fluorite, whilst the Sb-Au mineralization (late-ore stage) comprises quartz-stibnite ± pyrite. ... Hydrocarbon and ore-bearing basinal fluids: a possible link between gold mineralization and hydrocarbon accumulation in the Youjiang …Web

Stibnite is the main Sb-bearing mineral within the orefield and usually occurs in the upper part of the orebody. ... Zheng et al. [1, 2] explained this phenomenon in Keyue and Zhaxikang deposits as follows: the location of ore-bearing faults is ancient hydrothermal vents, and due to the collision of the Indian and Eurasian plates, the …Web

Though stibnite is among the most predominant Sb-bearing mineral phases in most Sb deposits, little is known about the trace elements and their substitution …Web

The characterization of weathered mine wastes derived from the exploitation of stibnite ore deposits revealed the important effects of the deposit mineralogy, applied Sb recovery process, established pH conditions, and elemental availability on the occurrence of Sb-bearing weathering products and the risk of Sb mobilization from these …Web

Orebodies consist mainly of stibnite-bearing quartz veins and locally altered fault breccia. Ore minerals are stibnite, cinnabar, valentinite [Sb 2 O 3], limonite, and trace amount of pyrite, arsenopyrite, and realgar. For the three deposits, the wallrock alteration has produced the minerals silica, carbonates, white mica, sulfide and chlorite ...Web

found within or close, but separated from stibnite-bearing ones. In areas of Archean stibnite mineralization, the association of stibnite with Hg mineralization is largely missing (Hagemann and Lüders 2003). In Archean terrains, ... ongoing ore deposition from geothermal springs is an ideal field for studies aiming at understanding theWeb

At Shalagang, the host rocks are Lower Cretaceous sandstone, siltstone, muddy limestone, and chert of the Duojiu Formation. Orebodies consist mainly of stibnite-bearing quartz veins and locally altered fault breccia. Ore minerals are stibnite, cinnabar, valentinite [Sb 2 O 3], limonite, and trace amount of pyrite, arsenopyrite, and realgar. For ...Web

The use of a water-soluble sodium zinc cyanide complex (ZnO + NaCN) as a depressant for iron sulphides such as pyrite in a stibnite-bearing ore or bulk stibnite concentrate at acidic pH was, on ...Web

Gold-bearing veins from different orebodies show different mineral assemblages. The L7 lode in the No. 4 orebody is composed of native arsenic–quartz vein in shallow level and stibnite–quartz vein at depth. Ore-bearing mineral assemblages formed at five stages: pyrite–arsenopyrite. AcknowledgmentsWeb

Stibnite-bearing ores continue to be the main source of this critical element, although its sourcing from secondary resources (e.g. mine tailings) is becoming increasingly relevant yet...Web

This work aims to shed light on the leaching kinetics of antimony from stibnite ore in potassium hydroxide (KOH) solution. Response surface methodology based on central composite design was used to investigate the effect of time, temperature, solid to liquid ratio (S/L), and KOH concentration as independent parameters on the leaching …Web

Modified date: 04/09/2023 Stibnite is a sulfide minerals with chemical composition is antimony sulfide (Sb2S3). The principal ore of antimony. …Web

The stibnite-quartz geoenvironmental model is probably generally applicable to ore deposit models 27d, 27e, and 36c. The acid-buffering capacity of igneous rocks associated with some of these deposits is probably not significantly different from that of shale-hosted stibnite-quartz deposits. Key differences between stibnite-quartz veins and thoseWeb

During the period 1930–1950, about 9000 tons of stibnite ore and some tons of wolframite ore have been extracted from rough tunnels of 350 m total length. The Sb concentrationWeb

To avoid the adverse effects of antimony on the cyanide leaching process used for the recovery of gold from refractory gold ore, a cleaner production process was proposed that would selectively remove antimony as sodium pyroantimonate. The process included three steps: 1) leaching of antimony from the refractory gold ore with sodium …Web

Most of the works focused on antimony dissolution from high-grade sources. One example is the work of Torma and Gabra (1977), who studied the effect of the stibnite concentration (2%–14% (w/v)) in the ore on the antimony dissolution by At. ferrooxidans at pH 1.75 and 35 °C. The tests showed that the optimum concentration of antimony (1400 …Web

Stibnite, antimony sulfide (Sb2S3), the principal ore of antimony. This mineral has a brilliant metallic lustre, is lead- to steel-gray in colour, and fuses readily in a candle flame (at about 525° C [977° F]). It often …Web

The exploitation and processing of stibnite-bearing ores involve the use of conventional stages of mining (open-pit or underground), comminution (crushing and grinding) and concentration techniques including gravity separation and froth flotation …Web

The biooxidation of a refractory goM-bearing stibnite (antimony sulphide) favours the increase of gold recovery during the subsequent hydrometallurgical process (cyanidation, adsorption onto activated carbon, desorption from activated carbon and electrowinning). Tests were conducted at laboratory scale utilising a refractory stibnite ore.Web