Results 21 to 30 of about 18,062 (230)

Mineral and textural-structural features of the ore facies of Yubileynoye massive sulfide deposit (the Southern Urals)

Известия высших учебных заведений: Геология и разведка, 2017
A study of the ore facies of the massive sulfide ores from the Yubileynoe deposit (ore body № 2) has been shown. The sub-seafloor and seafloor hydrothermal, biogenic, clastic and seafloor hypergenic facies have been diagnosed in the studied ores ...
A. S. Tseluyko, V. V. Maslennikov, N. R. Aupova, S. P. Maslennikova   +3 more
doaj   +1 more source

NEW DATA ON MINERALOGY OF THE SUGUR COPPER DEPOSIT, SOUTH URALS [PDF]

Минералогия, 2022
The previous and new data on minerals and mineral assemblages of the Sugur copper deposit in the Sugur Mountains of South Urals are summarized. The ores of the deposit host abundant calcite, andradite, diopside, magnetite, chromite and serpentine ...
V.A. Popov, M.A. Rassomakhin, V.I. Popova   +2 more
doaj   +1 more source

GEOLOGICAL STUDY IN THE ILMENY STATE RESERVE DURING 2010–2020 [PDF]

Минералогия, 2020
The paper presents the main results of isotopic-geochronological and mineralogicalgeochemical studies at the territory of the Ilmeny State Reserve over 2010–2020.
E.V. Medvedeva, A.A. Krasnobaev, P.M. Valizer, N.M. Glebova, A.B. Nemov, S.V. Cherednichenko   +5 more
doaj   +1 more source

POLYAKOV LOG COARSE GARNET OCCURRENCE IN THE SOUTH URALS [PDF]

Минералогия, 2023
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, M.A. Rassomakhin, S.V. Kolisnichenko   +2 more
doaj   +1 more source

TYPOCHEMISTRY OF MAGNETITE FROM MASSIVE SULFIDE AND IRON DEPOSITS OF THE URALS ACCORDING TO LA-ISP-MS DATA [PDF]

Минералогия
The aim of the study is the determination of mineralogical and geochemical features of magnetite from massive sulfide and iron deposits to develop forecasting criteria of ore objects.
V.V. Maslennikov, N.R. Ayupova, A.S. Tseluyko, N.P. Safina, D.A. Artemyev, U.A. Yatimov, S.I. Bryukhov, P.V. Khvorov, M.A. Rassomakhin   +8 more
doaj   +1 more source

BISMUTH MINERALS OF SULFIDE-MAGNETITE ORES FROM THE AKTASH DEPOSIT (WESTERN KARAMAZAR, TAJIKISTAN) [PDF]

Минералогия, 2019
Bismuth mineralization is studied in sulfide-magnetite ores of the Aktash deposit in Western Karamazar (Northern Tajikistan), which is hosted in the Middle–Upper Paleozoic sedimentary and intrusive rocks.
U.A. Yatimov, N.R. Ayupova, I.A. Blinov, V.A. Kotlyarov   +3 more
doaj   +1 more source

PT-FORMATION CONDITIONS OF POLYMETALLIC ORES FROM THE Pb-Zn-Fe AKTASH SKARN DEPOSIT (WESTERN KARAMAZAR, TAJIKISTAN) [PDF]

Минералогия, 2021
Fluid inclusions are studied in calcite from magnetite ores and sulfide-carbonate veins of the Aktash sulfide-magnetite deposit (Western Karanazar, Tajikistan) to identify their formation conditions.
U.A. Yatimov, N.N. Ankusheva, M.A. Rassomakhin   +2 more
doaj   +1 more source

Chemostratigraphy of Neoproterozoic carbonates: implications for 'blind dating' [PDF]

, 2001
The delta C-13(carb) and Sr-87/Sr-86 secular variations in Neoproteozoic seawater have been used for the purpose of 'isotope stratigraphy' but there are a number of problems that can preclude its routine use.
Aharon P., Anthony E. Fallick, Anton B. Kuznetsov, Bowring S.A., Brand U., Brasier M.D., Brasier M.D., Brasier M.D., Burns S.J., Calver C.R., Corsetti F.A., Fairchild I.J., Fairchild I.J., Gao G., Gorokhov I.M., Gorokhov I.M., Gorokhov I.M., Grotzinger J.P., Grotzinger J.P., Hoffman P.F., Igor M. Gorokhov, Kaufman A.J., Kennedy M.J., Kirschvink J.L., Knoll A.H., Knoll A.H., Knoll A.H., Kupecz J.A., Kuznetsov A.B., Kuznetsov A.B., Lambert I.B., Magaritz M., McArthur J.M., McArthur J.M., McCulloch M.T., Melezhik V.A., Morton J.P., Ovchinnikova G.V., Pelechaty S.M., Podkovyrov V.N., Pokrovsky B.G., Pokrovsky B.G., Pokrovsky B.G., Saylor B.Z., Semikhatov M.A., Singh U., Smith L.H., Tronnes R.G., Tucker M.E., Tucker M.E., Veizer J., Veizer J., Victor A. Melezhik, Wada S.-I., Walter M.R., Wang Da-Rui   +55 more
core   +1 more source

Ca OXALATES IN LICHEN GENUS CLADONIA ON DUMPS OF THE SUGUR COPPER DEPOSIT (SOUTH URALS) [PDF]

Минералогия, 2023
Ca oxalate crystals (mainly, weddellite (Ca(C2O4) • (2.5-x)H2O) are found in the lichen Cladonia chlorophaea on dumps of the Sugur copper deposit underwent to aerosol emissions from the Karabash copper smelting (KCS), South Urals.
E.E. Artemenko, M.A. Rassomakhin, P.V. Khvorov, K.A. Filipрova   +3 more
doaj   +1 more source

MINERAL FORMS OF TUNGSTEN AT THE POROKHOVSKOE AND YUGO-KONEVSKOE DEPOSITS (SOUTH URALS) [PDF]

Минералогия
The ore hand specimens and technological ore samples from the Porokhovskoe and Yugo-Konevskoe W greisen deposits in the South Urals are studied. The major W minerals of primary ores at both deposits include hübnerite and scheelite.
D.A. Rogov, E.V. Belogub, K.A. Novoselov, M.A. Rassomakhin, R.R. Irmakov, A.E. Chugaev   +5 more
doaj   +1 more source