Results 21 to 30 of about 284,858 (281)

Slags from roasting of antimony ore in the Brioude‐Massiac (France) area used as aggregates: An early example of circular economy

open access: yesJournal of Microscopy, 2023
Towards the end of the 19th century and the early 20th century, France was the world's largest producer of antimony, especially due to the rich deposits in the Brioude‐Massiac area.
Vincent Thiéry   +4 more
semanticscholar   +1 more source

Splitting ore from X-ray image based on improved robust concave-point algorithm [PDF]

open access: yesPeerJ Computer Science, 2023
Image segmentation is a key part of ore separation process based on X-ray images, and its segmentation result directly affects the accuracy of ore classification.
Lanhao Wang   +3 more
doaj   +2 more sources

Associations of ore minerals in the deposits of the Seinäjoki district and the discussion on the ore formation [PDF]

open access: yesBulletin of the Geological Society of Finland, 1983
The mineral associations of the antimony deposits in the Seinäjoki region (Finland) are described on the basis of microprobe investigations. There are two ore associations: quartz-antimony and pyrrhotite- antimony.
Yu.S. Borodaev   +5 more
doaj   +1 more source

On the gold content in the antimony and mercury mineralization in Priamurye

open access: yesРуды и металлы, 2023
The data on the geological and structural position, composition of metasomatites, ores, and gold content of antimony and mercury deposits and occurrences of the Priamursky gold-bearing area are presented.
Stepanov V. A.
doaj   +1 more source

Flotation enrichment of antimony ore using the environmentally friendly reagent-collector KCSb

open access: yesXXI Century. Technosphere Safety, 2021
The problems of extraction and processing of antimony ores are analyzed. The reagent-collector of oxide forms of antimony KCSb is described. It is used to develop operating parameters of the flotation concentration of ore at the Zhipkhosha deposit.
G. Mikheev, S. Bogidaev
semanticscholar   +1 more source

Trends in Ocean S‐Isotopes May Be Influenced by Major LIP Events

open access: yesGeophysical Monograph Series, Page 341-376., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Ross. R. Large   +5 more
wiley  

+3 more sources

Determination of Antimony in Antimony Ores by Inductively Coupled Plasma-Optical Emission Spectrometry with Microwave Digestion

open access: yesYankuang ceshi, 2020
BACKGROUND The dissolution of antimony ore by aqua regia is often incomplete and antimony is easy to hydrolyze in the process of extraction, which leads to inaccurate results.
ZHENG Zhi-kang   +6 more
doaj   +1 more source

Study on antimony cake as a technogenic raw material for the production of antimony oxides

open access: yesMANAS: Journal of Engineering, 2021
In the process of hydrometallurgical and pyrometallurgical production of antimony at the Kadamzhai antimony plant of the Kyrgyz Republic, large-tonnage waste was generated: tailing sand, matte, slag, off-balance ore, cakes, furnace fragments, and ...
Kubat Kemelov   +4 more
doaj   +1 more source

Beneficiation and Metallurgical Process Study for a Gold Mine in Xinjiang

open access: yesKuangchan zonghe liyong, 2022
The gold deposit in Xinjiang is located in the Kalamailimetallogenic subzone of the northern Junggarmetallogenic belt, with superior geological conditions for gold mineralization.
Zuohuai Yang   +5 more
doaj   +1 more source

Flotation enrichment of resistant gold ores [PDF]

open access: yesE3S Web of Conferences, 2020
Ores of the Vasilkovsky deposit include arsenopyrite, pyrite, pyrrhotite, marcasite, gold, chalcopyrite, sphalerite, galena, faded ore (tennantite)S, bismuthine, native bismuth, lellingite, molybdenite, cubanite, bornite, antimonite, relict minerals ...
Askarova Gulzhan   +2 more
doaj   +1 more source

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