ZEOLITES IN PEGMATITES AND LATE VEINLETS OF THE VISHNEVOGORSKY ALKALINE-CARBONATITE COMPLEX (SOUTH URALS) [PDF]
The paper summarizes the data on mineral assemblages, crystal morphology and chemical composition of zeolites (analcime, natrolite, gonnardite, paranatrolite, scolecite, mesolite, garroniteNa, phillipsite-K, harmotome, chabazite-Ca, heulandite-Ca ...
V.I. Popova+6 more
doaj +2 more sources
POLYAKOV LOG COARSE GARNET OCCURRENCE IN THE SOUTH URALS [PDF]
Ontogenic modeling of the origin of coarse garnet of the Polyakov log occurrence (South Urals) in a fine-grained schist sequence allowed the authors to conclude on its metasomatic growth with the replacement of chlorite aggregates.
V.A. Popov+2 more
doaj +2 more sources
Production of Pigments on the Basis of Titanium Tetrachloride [PDF]
The article describes the manufacture of titanium dioxide, or titania, on the basis of titanium tetrachloride. The main technological requirements for the production of titania are listed, the most prospective raw materials for the chlorination method ...
Vyboishchik Alexander, Popov Mikhail
doaj +3 more sources
The Application of Plasma Processes during the Production of Pigments [PDF]
The article describes the application of plasma in the production of industrial pigments. Plasmatrons, or cooled electrodes, have found practical use in chemical, petrochemical, metallurgical, and other industries. Plasma-chemical methods with the use of
Vyboishchik Alexander, Popov Mikhail
doaj +1 more source
Permian Large Igneous Provinces and Their Paleoenvironmental Effects
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.
Jun Chen, Yi‐Gang Xu
wiley +4 more sources
A SEQUENCE OF FORMATION OF «URANPYROCHLORE» AND FLUOROCALCIOPYROCHLORE IN ALKALI PEGMATITES FROM THE VISHNEVYE MOUNTAINS, SOUTH URALS [PDF]
The sequence of formation of pyrochlore crystals of various morphology and composition is considered in an aggregate with ilmenite and feldspar from nepheline-feldspar pegmatite at Mt.
V.I. Popova+4 more
doaj +1 more source
Assessment of antibacterial activity of vinyltriphenylphosphonium hexabromoplatinate
Introduction. One of the biological effects of platinum compounds is antibacterial action against Gram-positive and Gram-negative bacteria. Thus, some platinum compounds may inhibit the synthesis of DNA, RNA and proteins in Escherichia coli cells.Aim ...
N. M. Shlepotina+9 more
doaj +1 more source
Accessory mineralisations in lherzolites of Northern Kraka massif (South Urals)
The findings of platinum group metal mineralization (PGM) and the distribution of platinum group elements (PGE) in lherzolites of the Northern Kraka massif are described.
D. E. Saveliev, R. A. Gataullin
semanticscholar +1 more source
KUKHARENKOITE-(Ce) AND ITS MINERAL ASSEMBLAGE IN PEGMATITES OF THE VISHNEVYE MOUNTAINS (SOUTH URALS) [PDF]
A rare Ba and REE fluorocarbonate kukharenkoite-(Ce) Ba2 Ce(CO3 )3 F with empirical formula (Ba1.88Sr0.17)2.05(Ce0.53La0.31Nd0.11)0.95(CO3 )3 F was found in alkali pegmatite of vein no. 35 in the Vishnevye Mountains, South Urals. Kukharenkoite-(Ce) forms
V.I. Popova+4 more
doaj +1 more source