Results 11 to 20 of about 199 (165)
Frontiers in Earth Science, 2022 The Mt. Rudnaya MSS-ISS (monosulfide and intermediate solid solution) fine-grained ores from a NE termination of Norilsk 1 deposit were analyzed using a combination of X-ray computed micro tomography, spectral X-ray computed micro tomography and scanning
J. Sittner +10 more
doaj +1 more source
MINERALOGY OF CHROMITITES OF MOUNT POKLONNAYA OF THE KARABASH MASSIF, SOUTH URALS [PDF]
Минералогия, 2022 Mineral composition of chromitites and host serpentinites from a quarry at Mt. Poklonnaya of the Karabash serpentinite massif is studied using optical and electron microscopy.
V.I. Popova +4 more
doaj +1 more source
«Platinum» from the collection of A.F. Keller in the State geological museum RAS
Известия высших учебных заведений: Геология и разведка, 2017 The microprobe tests of the supposed platinum from the collection of F.A. Keller at the State geological museum of Russian Academy of Sciences have been carried out for the first time.
N. I. Braynchaninova +2 more
doaj +1 more source
Rare minerals of noble metals in the collection of the Mining Museum: new data
Записки Горного института, 2022 Modern analytical methods (optical and electron microscopy, X-ray microanalysis) were used to study the unique samples of sulfide ores from the Norilsk ore field from the Mining Museum collections of Saint Petersburg Mining University.
Dmitry A. Petrov +2 more
doaj +1 more source
Open Geosciences, 2015 The Kondapalli Layered Complex (KLC) is a dismembered mafic-ultramafic layered intrusion, mainly composed of gabbroic and anorthositic rocks with subordinate ultramafics and chromitite.
Meshram Tushar M. +5 more
doaj +1 more source
SECONDARY PLATINUM-GROUP MINERALS FROM A PLACER OF THE BOLSHOY SAP RIVER (CENTRAL URALS) [PDF]
МинералогияThe object of the present study includes grains of platinum-group minerals (PGMs) from a concentrate, which was obtained during mining of a technogenic gold placer near the Pervomaisky duniteharzburgite massif (Central Urals).
V.V. Murzin, K.N. Malitch, A.Yu. Kisin
doaj +1 more source
Записки Горного института, 2022 Materials on geochemistry and ore Fe-Ti-Cr mineralization of rocks composing layered (stratified) bodies of the western slope of the Southern Urals are presented. A detailed analysis showed similarity in the redistribution of REE, noble metals, and Fe-Ti-
Sergey G. Kovalev, Sergey S. Kovalev
doaj +1 more source
How and when do Pt- and Pd-semimetal minerals crystallize from saturated sulfide liquids?
Frontiers in Earth SciencePlatinum and Pd-arsenides, antimonides, tellurides, bismuthinides, and sulfides are the major hosts of Pt and Pd in magmatic and hydrothermal Cu-Ni-sulfide ores.
Hassan M. Helmy +3 more
doaj +1 more source
INTERGROWTHS OF PLATINUM GROUP MINERALS FROM THE MIASS PLACER ZONE (SOUTH URALS) AND THEIR PRIMARY SOURCES [PDF]
Минералогия, 2016 Twenty four platinum group minerals (PGMs) were found in the Kialim and Maly Iremel gold placers of the Miass placer zone, South Urals. Rhodarsenite, bowieite, cuprorhodiste, and xingzhongite(?) were found in the Urals for the first time.
V.V. Zaykov +4 more
doaj
A review of flotation and selective separation of pyrrhotite: A perspective from crystal structures
International Journal of Mining Science and Technology, 2022 Pyrrhotite is an associated mineral that exists widely in sulfide ore. The presence of pyrrhotite will affect the recovery of platinum group minerals.
Xiaoqin Tang, Ye Chen
doaj +1 more source