Antimony isotopic fractionation during intensive chemical …
DOI: 10.1016/j.gca.2023.12.029 Corpus ID: 266617529; Antimony isotopic fractionation during intensive chemical weathering of basalt in the tropics @article{Wu2023AntimonyIF, title={Antimony isotopic fractionation during intensive chemical weathering of basalt in the tropics}, author={Yunjie Wu and Guangyi Sun and Jen-How Huang and Haifeng Fan and …
Mining | mineral-ore
website builder. Create your website today. Start Now. GACH GROUP MPDT AMT . Home
BASALT | mineral-ore
website builder. Create your website today. Start Now. GACH GROUP MPDT AMT . Home
REE geochemistry of gangue minerals and their geological
The ore-forming fluid was rich in radiogenic87 Sr and depleted in radiogenic 143Nd relative to the Emeishan basalt, which rules out the possibility that the Emeishan basalt supplied most of Sr and ...
TSR Action and Genesis Mechanism of Antimony Deposit: …
In Qinglong ore field, the paleo-oil reservoir is found to be associated with antimony deposits, and they have a close genetic relationship. In this study, the aromatics geochemistry of paleo-oil reservoir bitumen was studied to further discuss the thermochemical sulfate reduction (TSR) reaction and the mechanism of antimony …
Antimony ores and concentrates
In 2022, Antimony ores and concentrates were the world's 3454th most traded product, with a total trade of $285M. Between 2021 and 2022 the exports of Antimony ores and concentrates grew by 40.4%, from $203M to $285M. Trade in Antimony ores and concentrates represent 0.0012% of total world trade.
Metallogenic characteristics and resource potential of antimony …
The characteristics of Sb ore resources in China are: (1) Abundant resources. China has abundant resources of Sb. By the end of 2018, more than 3,276,800 t of Sb metal resources had been identified throughout China ( Ministry of Land and Resources People's Republic of China, 2019 ).
Metallogenic characteristics and resource potential …
Abstract. China has the largest antimony (Sb) resources, products and consumption in the world, which plays an important role in the global antimony trade. …
TSR Action and Genesis Mechanism of Antimony …
We believe that the gas reservoir formed by the evolution of the oil reservoir in the ore field participated in antimony mineralization; that is, hydrocarbon organic matter acted as a reducing agent and …
Ore Geology Reviews
Antimony mineralization is related to the palaeo-oil reservoir. Abstract. The Qinglong antimony deposit is located in the Nanpanjiang (Youjiang) basin, South China. …
(PDF) Samarium-Neodymium isotope system of fluorites
Qinglong antimony ore field is located in the southwest Guizhou depression of the Nanpanjiang basin, and its antimony metal reserves (~0.21 Mt) rank fifth in the south China giant antimony ...
Geochemical studies on Dachang antimony ore deposit …
minerals in the basalt, this paper is focused on the relations between these data and the '$)achang Layer" and its hanging- and foot-wall rocks. The author pointed out that the "Dachang Layer" and basalt are the source-beds of antimony; ilmenite and magnetite are the major mineral carriers of antimony.
National Mineral Inventory
The chief ore of antimony is stibnite (Sb 2 S 3, Sb 71.4%). It is more commonly obtained as a by-product in lead-zinc-silver mines. The resources have ... weathering of deccan trap basalt, archaean felspathic gneisses and granulites, etc. Bauxite is the only mineral raw material from which aluminium is extracted economically. Its other important
Changes in antimony isotopic composition as a …
Stefan Kiefer & Juraj Majzlan. 1466 Accesses. 2 Citations. Explore all metrics. Abstract. In this work, we investigated in situ isotopic compositions of antimony (Sb) minerals from …
ANTIMONY DEPOSITS OF SOYATAL DISTRICT STATE OF …
In the past the mines have depended largely on ore that could readily be hand-sorted to a shipping-grade product containing more than 30 percent of anti mony. Since 1940, however, ore containing as little as 18 percent of antimony has been shipped. As ore bodies are not developed and blocked out in advance of mining, being
Redox-controlled antimony isotope fractionation in the …
The Mesozoic bimodal igneous rocks include diabase, gabbro, basalt, andesite, dacite, rhyolite, explosion-breccia and cinerite, with the zircon SHRIMP U–Pb ages of 134.9 ± 1.8 Ma, ... discovery process and significance of Zhaxikang antimony polymetallic ore deposit, Tibet. Earth Sci., 37 (2012), pp. 1004-1014 (In Chinese with …
Genesis of gold and antimony deposits in the Youjiang …
The Longtan Formation compose of interbedded sandstone and shale. The Dachang layer where the antimony ore bodies exist lies between the Maokou Formation and the Emeishan flood basalt. ... The upper unit is made up of tuffaceous clay, basalt, and basalt lens (Peng et al., 2003). Besides, gold mineralization with Au grade 0.1–9.9 g/t …
Antimony Metallurgy | SpringerLink
In 1986, China developed the chlorination–hydrolysis process that directly uses antimony sulfide ore to produce antimony trioxide (antimony white). The grade of antimony ores is usually 2–25%. Antimony minerals with industrial value include antimonite (Sb 2 S 3 ), senarmontite (Sb 2 O 3 ), cervantite (Sb 2 O 4 ), and cervanite …
Geochemical characteristics of lamprophyres in the Xikuangshan antimony
The dyke was usually considered to be the eastern boundary of antimony mineralization in the Xikuangshan ore district (Liu and Jian, 1983;Shi et al., 1993). ...
Gold and antimony metallogenic relations and ore …
Gold and antimony metallogenic relations and ore-forming process of Qinglong Sb (Au) deposit in Youjiang basin, SW China: Sulfide trace elements and sulfur …
Antimony isotopic fractionation during intensive chemical …
This study explored the mechanism of antimony (Sb) isotopic fractionation during chemical weathering and soil biogeochemical processes, which have important implications for Sb isotopic composition in the hydrosphere.We analyzed the major and trace element contents and Sb isotopic composition along an 8 m deep basalt …
Ore Geology Reviews
The South China antimony ore belt is the largest ore belt in China, accounting for 60% of the world's proven reserves of antimony (Zhang et al., 2020). ... Then the reduced sulphur combined with Sb from the Dachang member and its overlying basalt, precipitated, and formed the antimony deposit. 5.4.3.
Sr isotope geochemistry of fluorite from the …
... Plenty of scholars think that the formation of antimony ores is related to Emeishan Basalt, the eruption of which leads to the formation of the "Dashing Stratum", …
Analysis on Characteristics of Provenance of Antimony in …
formed by the eruption of Emeis han basalt is the source rock of antimony ore, whose formation is highly effected by these basalts (Liao, 1990; Chen, 1994). Some other scholars admit that there ...
Antimony isotope fractionation in hydrothermal systems
Antimony Isotope Fractionation Revealed from EXAFS during Adsorption on Fe (Oxyhydr)oxides. A lack of knowledge about antimony (Sb) isotope fractionation mechanisms in key geochemical processes has limited its environmental applications as a tracer. Naturally widespread iron (Fe)….
Antimony vein deposits of China
The Chinese antimony vein-type ore deposits account for 55% of the world's reserves of antimony. About 85% of China's antimony production comes from Human Province, largely from the giant Xikuangshan deposit (the world's largest Sb deposit). China's Sb deposits occur in four belts. Most deposits are located in the Provinces of …
Ore genesis of the Tethyan Himalayan antimony
Therefore, the surrounding rocks and ore samples of the Sb–Au deposit in the THMB contained Pb isotope composition characteristics similar to those of the basic dikes and basalt [143, 144]. In summary, the Pb isotopes of Pb–Zn–Sb–Au polymetallic deposits, along with a few Sb–Au deposits, were primarily distributed along the upper ...
Minerogenetic Mechanism of the Songxi Silver
basalt, which is the most important ore-bearing bed. The Songling silver-antimony ore deposit occurs on the two limbs of an open anticlinal struc- ture at the turning point, especially on the northeastern limb. This anticlinal structure axis is NW-SE striking and dips in the SE direction. Strata on the two limbs of the anticlinal structure
Changes in antimony isotopic composition as a tracer of
In this work, we investigated in situ isotopic compositions of antimony (Sb) minerals from two substages of the ore deposits near Pezinok (Slovakia). The δ123Sb values of the primary Sb minerals range from −0.4 and +0.8‰ and increase progressively along the precipitation sequence. In the substage II, the early-formed gudmundite (FeSbS) shows …
Mineral Resources and Mining
Antimony. Although antimony ore is not produced in Texas, antimony ores are processed at a smelter in El Paso. Asbestos. ... Basalt. Intrusive masses of basalt are present in several counties along the Balcones Fault Zone and in the Trans-Pecos area of West Texas. It is produced for aggregate, road ballast, and road material in Uvalde County.
