A new stylolite classification scheme to estimate compaction and local permeability variations [PDF]
This study was carried out within the framework of DGMK (German Society for Petroleum and Coal Science and Technology) research project 718 “Mineral Vein Dynamics Modeling”, which is funded by the companies ExxonMobil Production Deutschland GmbH, GDF ...
Beaudoin, Nicolas +5 more
core +1 more source
Study on the flotation technology and adsorption mechanism of galena–jamesonite separation
In order to further separate the concentrate containing galena and jamesonite before undergoing hydrometallurgical process, flotation experiment was performed on the basis of mineralogical analysis.
Wei Sun +3 more
doaj +1 more source
Application of Mixed Potential Theory to Leaching of Mineral Phases
Leaching is a central unit operation in the hydrometallurgical processing of minerals, which often occurs by means of electrochemical reactions. Application of mixed potential theory to explain the kinetics of oxidative and reductive leaching processes ...
César A. C. Sequeira
doaj +1 more source
Study of the thermal conductivity of PbS, CuFeS2, ZnS
It is necessary to know the values of the thermal conductivity coeffi cient of a semiconductor material to assess the possibility of its application as a thermoelectric. The thermal conductivity of natural minerals of galena (PbS), chalcopyrite (CuFeS2),
Pavel A. Popov +5 more
doaj +1 more source
Comparative analysis of spring flood risk reduction measures in Alaska, United States and the Sakha Republic, Russia [PDF]
Thesis (Ph.D.) University of Alaska Fairbanks, 2017River ice thaw and breakup are an annual springtime phenomena in the North. Depending on regional weather patterns and river morphology, breakups can result in catastrophic floods in exposed and ...
Kontar, Yekaterina Yevgenevna +1 more
core
Multiphase fine aggregates of galena, pyrrhotite, freibergite, pyrargyrite, diaphorite, fizelyite, uchucchacuaite, ullmanite, and some other minerals are found in the ores of the Oleninskoe gold deposit in the Kolmozero-Voronya greenstone belt (Kola ...
Kalinin A. A., Savchenko Y. E.
doaj +1 more source
Lead, zinc and copper mineralisation in basal Carboniferous sediments at Westwater, south Scotland [PDF]
A zioneo f lead, zinc and copperm ineralisatioins developedo ver a minimum I of 4 km of strikeo f basal Carboniferoucse mentstoneg roup sedimentsa nd immediatelyu nderlyingB irrenswarkL avas atwestwater,n ear Laqholm in south Scotland.
Davies, A. +5 more
core
Ferric chloride leaching of the Delta sulfide ores and gold extraction from the leaching residue [PDF]
Conventional differential and bulk flotation processes have difficulties in achieving high recoveries with acceptable grades far zinc, lead and copper from the complex sulfide ores found at Tok, Alaska.
Lin, H.K., Rao, P.D.
core
Study on low-grade galena-barite ore beneficiation in Khuzdar, Balochistan, Pakistan [PDF]
Purpose. Galena and barite are the principal minerals of lead and barium respectively. Both minerals are used extensively in industries because of their distinct properties.
Bashir, F +6 more
core +1 more source
Study of Galena Ore Powder Sintering and Its Microstructure
Galena is a natural mineral enriched with lead sulfide (PbS). It typically forms in hydrothermal veins associated with igneous rocks and can also occur as a gangue mineral in other ore deposits.
Bety S. Al-Saqarat +10 more
doaj +1 more source

