·Typical examples of epithermal gold tellurides mineralization can be found in the Emperor Fiji Pals et al 2003 Porgera Ladolam Papua New Guinea and the Montana Au Ag telluride belt
·Tellurium is a rare metalloid that is vastly produced from copper anode slime which is a by product of the copper electrorefining process Choosing the proper recovery method strongly depends on the slimes composition mineralogy and tellurium concentration In addition correctly selecting the right method of leaching purification and precipitation in economic and
NJ Cook CL Ciobanu 2005 Tellurides in Au deposits implications for modelling JW Mao FP Bierlein Eds Mineral deposit research meeting the global challenge Springer Berlin Heidelberg New York 1387 1390
·Laser ablation synthesis of new gold tellurides using tellurium and nanogold as precursors Laser desorption ionisation time of flight mass spectrometry A form of nanogold Te conjugate was prepared and found suitable for LAS of gold tellurides Several new Au m Te n m = 1 11; n = 1 4 clusters were identified
·Telluride mineralization in the Rompas deposit adopted after [4] A Maldonite and altaite replace native gold B native gold in the outer part of unnamed Bi Te mineral phase C replacement
NJ Cook CL Ciobanu 2005 Tellurides in Au deposits implications for modelling JW Mao FP Bierlein Eds Mineral deposit research meeting the global challenge Springer Berlin Heidelberg New York 1387 1390
·Tellurium bearing minerals are generally rare in chimney material from mafic and bimodal felsic volcanic hosted massive sulfide VMS deposits but are abundant in chimneys of the Urals VMS deposits located within Silurian and Devonian bimodal mafic sequences High physicochemical gradients during chimney growth result in a wide range of telluride and
·The technical transition towards low carbon energy production relies on a secure supply of critical elements which are however commonly recovered as by products which is an important constituent in high efficiency thin film photovoltaic technology is such an example most Te is produced from anode slimes of base metal smelters Cu
·Tellurium bearing base metal assemblages dominate the eight stages of mineralization in quartz ± calcite ± adularia ± illite epithermal Au Ag Te veins at Panormos Bay Tinos Island Cyclades
·The chemistry of oxygenated tellurium compounds has been less extensively explored than their selenium counterparts; nevertheless some of them have been successfully used for oxyfunctionalization of different groups of organic compounds while telluroxide elimination has gained more attention in the last years becoming a well established method
·As with all stylish 2D functional materials tellurene and tellurides possessing excellent physical and chemical properties such as high environmental stability tunable narrow bandgap and lower thermal conductivity have aroused the great interest of the researchers These properties of such materials also form the basis for relatively newfangled scholarly fields
·Despite the close association between tellurium Te and gold Au in many epithermal orogenic and intrusion related hydrothermal ore deposits the hydrothermal chemistry of Te remains poorly
An overview presents the known methods of using elemental tellurium in the synthesis of various acyclic and cyclic saturated and unsaturated compounds containing Te E bonds E = main group atom or transition metal atom These methods include the insertion of tellurium into the C E E = halogen Al Ga Sn Zr and P E E = Li P Si Ge and Sn and Sn Sn single bonds and the
·Gold telluride ores are important gold refractory ores due to the presence of sulfides and other gangue materials The classification and main physical properties of gold telluride ores were described and possible treatment methods including flotation leaching and oxidation were reviewed The results show that flotation procedures are much easier for gold
·The increasing number of publications that use tellurium clearly demonstrates the important role of tellurium compounds as unique and powerful tools in a broad range of organic chemical manipulations often characterized by their selective behavior Tellurium in Organic Synthesis provides an overview of the principal aspects of organic tellurium chemistry
·Laser ablation synthesis of new gold tellurides using tellurium and nanogold as precursors Laser desorption ionisation time of flight mass spectrometry A form of nanogold Te conjugate was prepared and found suitable for LAS of gold tellurides Several new Au m Te n m = 1 11; n = 1 4 clusters were identified
In compounds tellurium occurs most frequently in the oxidation states II tellurides and IV tetrahalides tellurium dioxide and tellurates IV outdated tellurites More rare are the oxidation states VI tellurates VI and II dihalides as well as I ditellurides and I monohalides only known as TeI
·and tellurium have been quite widely used in preparation of selenide s and tellurides but it appears that in ALD they cannot provide e fficient exchange reactions with the common metal precursors
·The intercalation of metal ions in layered structures has a wide variety of applications from energy storage to environmental remediation Here the authors report that layered telluride
·The present review focuses mainly on reports starting from the early 90s including specific topics such as vinylic tellurides tellurium heteroatom exchanges free radical chemistry deserved special attention Download a program coordinated by Professor C Djerassi aiming to introduce new branches of chemistry to Brazilian chemists
·In most Carlin type and Carlin like type Au deposits the sulfides the main assemblages of pyrite arsenian pyrite and arsenopyrite are the major Au bearing minerals Su et al 2011 Jean et al 2013 Liu et al 2015 Cline and Muntean 2018 Yan et al 2020 However a few Carlin type and Carlin like type Au deposits are known to occur with a
·The Mesozoic Yangzhaiyu lode gold deposit is situated in the southern edge of the North China craton Gold mineralization is hosted in Archean amphibolite facies metamorphic rocks and consists mainly of auriferous quartz veins Pyrite is the predominant sulfide mineral with minor amounts of chalcopyrite sphalerite and galena Based on morphology and
·Tellurium in Colorado and New Mexico Deposits It is commonly assumed that most epithermal gold deposits associated with alkaline igneous rocks deficient in silica with respect to alkalis are enriched in tellurium and within Colorado and New Mexico many deposits are indeed tellurium rich However many known alkalic related deposits contain
·Due to their low cost outstanding stability low overpotential strong electronic interactions excellent conductivity more active sites and abundance transition metal tellurides TMTs and
