Results 101 to 110 of about 284,858 (281)
On the mineralogy of the Ukonik gold deposit in Transbaikalia (Russia) [PDF]
E3S Web of ConferencesAs a result of studying new ore samples from the Ukonik deposit, new data on the composition of pyrite was obtained, the composition of electrum was studied for the first time and plattnerite, hessite, jalpaite, silver-bearing covellite and greigite were
Yurgenson Georgi
doaj +1 more source
Flotation study on low-grade antimony ore of qilla abdullah, Balochistan, Pakistan
, 2015 A low-gradeantimony deposit originating from district Qilla Abdullah, Balochistan Province of Pakistan, containing stibnite as an economical mineral was beneficiated by froth flotation technique.
M. Bhatti +5 more
semanticscholar +1 more source
Volatilization of Arsenic and Antimony from Tennantite/Tetrahedrite Ore by a Roasting Process
MATERIALS TRANSACTIONS, 2018 The volatilization of arsenic (As) and antimony (Sb) impurities in a copper ore consisting of tennantite (Cu 12 As 4 S 13 ) / tetrahedrite (Cu 12 Sb 4 S 13 ) by roasting in both nitrogen and air atmospheres was investigated in this study.
Kazutoshi Haga +2 more
semanticscholar +1 more source
A reconnaissance geochemical drainage survey of the Criffel-Dalbeattie granodiorite complex and its environs [PDF]
, 1977 Regional geochemical reconnaissance by stream sediments and panned concentrates was undertaken over an area of 850 km 2 of south-west Scotland. Rocks of Ordovician to Permian age are exposed within the area but the major part is occupied by the ...
Brown, M.J. +3 more
core
Renaissance Studies, EarlyView.Abstract Pedro de Ayala served as a diplomat for King Ferdinand II of Aragon and Queen Isabella I of Castile at the courts of Henry VII, King of England, and James IV, King of Scots. In July 1498, he wrote a letter, partly in cipher, to report to his king and queen on such matters as Spain's interests in international diplomacy; the characters and ...
Adrian William Jaime +2 more
wiley +1 more source
Dissolution behaviour of freibergite-tetrahedrite concentrate in acidic dichromate solution
Mongolian Journal of Chemistry, 2014 Asgat ore sample with estimated content of 431g/t silver was concentrated by using floatation method and obtained freibergite-tetrahedrite concentrate with 9050g/t Ag, 35.75% Cu, 28.5% Sb and 10.6% Fe, respectively.
Sh Nyamdelger +3 more
doaj +1 more source
Pop-down tectonics, fluid channelling and ore deposits within ancient hot orogens
, 2014 International audienceMany Archaean and Paleoproterozoic deformation zones, often rich in ore resources, show particular structural patterns in particularmarked by regional vertical stretch.
Boulvais, Philippe +3 more
core +3 more sources
Sound offset responses become highly informative in the auditory cortex
The Journal of Physiology, EarlyView.Abstract figure legend Using large datasets of neural responses to diverse sounds recorded across four stages of the mouse auditory system (depicted and colour‐coded on the left), offset responses occurring after the termination of each sound (time window indicated by the orange shaded area superimposed with activity traces) were characterized and it ...
Charly Lamothe +3 more
wiley +1 more source
Yankuang ceshi, 2014 The analysis of antimony ores usually uses acid decomposition and an alkali fusion system, followed by the volumetric method after solvent extraction. Each component employs various analytical methods such as capacity, Atomic Absorption Spectrometry and ...
LIU Jiang-bin +7 more
doaj +2 more sources
Research Progress on Sb Geochemistry and Sb Isotopes
Yankuang ceshi, 2016 Antimony (Sb) has been widely used in products such as fire retardants, glass, rubber, paint, ceramics and semiconductors. It is found throughout igneous rocks but can be enriched in sedimentary rocks such as abysmal clays, shales and clastic rocks.
MENG Yu-miao +4 more
doaj +1 more source