Zobrazeno 1 - 10
of 32
pro vyhledávání: '"A. I. Grabezhev"'
Publikováno v:
Литосфера, Vol 0, Iss 1, Pp 163-168 (2016)
Subject of the study was molybdenite aggregate (0.9 × 0.5 cm) in granite from Cu ± Mo-porphyry mineralisation (Altynai Massif, eastern part of Middle Urals). Microprobe analysis and electron microscopy identified fine alternating microlayers of mol
Externí odkaz:
https://doaj.org/article/e97167fd6b7049ecb5bdb21027b55b03
Publikováno v:
Литосфера, Vol 0, Iss 3, Pp 79-92 (2015)
NS-trending Alapayevsk-Sukhoy Log zone of porphyry-copper mineralisation in the Middle Urals is located 75 km to the east of Yekaterinburg and extends for 100 km from Alapayevsk to Sukhoy Log towns. Sulphide inclusions in rocks are pervasive, and the
Externí odkaz:
https://doaj.org/article/ee361da0c969474393163ebe3a53caf1
Publikováno v:
Литосфера, Vol 17, Iss 5, Pp 113-126 (2017)
There is a generalization of U-Pb age of zircons from the copper-porphyry deposits of the eastern slope of the Urals. Approved reserves of the largest ones are about 1.4-1.8 Mt of Cu (at an average content of 0.4-0.6 wt % of Cu). Porphyry mineralizat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf8b76f214fd2e6508bafd1f59ce78e7
https://www.lithosphere.ru/jour/article/view/118
https://www.lithosphere.ru/jour/article/view/118
Autor:
Reimar Seltmann, Sergey Abramov, Svetlana G. Tessalina, Olga Yu. Plotinskaya, E. O. Groznova, A. I. Grabezhev
Publikováno v:
Ore Geology Reviews. 85:153-173
Most of the Cu (± Mo,Au) porphyry and porphyry-related deposits of the Urals are located in the Tagil-Magnitogorsk, East-Uralian Volcanic and Trans-Uralian volcanic arc megaterranes. They are related to subduction zones of different ages: (1) Siluri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9bd3124f568139a1a7d876d54314911
https://doi.org/10.1016/j.oregeorev.2016.07.002
https://doi.org/10.1016/j.oregeorev.2016.07.002
Autor:
A. I. Grabezhev, G. Yu. Shardakova, O. B. Azovskova, Yu. L. Ronkin, Axel Gerdes, V. N. Puchkov
Publikováno v:
Doklady Earth Sciences. 466:92-95
The Zelenodol porphyry Cu-(Au, Mo) deposit located about 65 km SSW of the city of Chelyabinsk is confined to the western part of the West Uralian Volcanogenic Megazone. The concordant U-Pb age of zircons from ore-bearing island-arc diorite porphyryis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09d0d8f6b6bbf2562207b5b838fa2ef7
https://doi.org/10.1134/s1028334x16010219
https://doi.org/10.1134/s1028334x16010219
Publikováno v:
Geology of Ore Deposits. 57:118-132
The distribution of Re in ores of the Mikheevskoe Mo-Cu deposit in the South Urals is studied. It is established that the grade of Re in the ores usually does not exceed 0.5 g/t. A positive correlation between concentrations of Re and Mo (correlation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1ae35e92f674ca0265cd049d426f35c
https://doi.org/10.1134/s1075701515020051
https://doi.org/10.1134/s1075701515020051
Publikováno v:
Geology of Ore Deposits. 57:42-63
Variations in the chemical composition of fahlores at the Biksizak occurrence, Birgilda-Tomino ore cluster, South Urals has been studied. Carbonate replacement base-metal mineralization is related to the Paleozoic porphyry-epithermal system. The comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::406806d85ff02b6eb4914e3f4862b35e
https://doi.org/10.1134/s1075701515010031
https://doi.org/10.1134/s1075701515010031
Autor:
A. I. Grabezhev, O. B. Azovskova, Yu. L. Ronkin, A. V. Korovko, S. V. Pribavkin, V. N. Puchkov, Axel Gerdes
Publikováno v:
Doklady Earth Sciences. 459:1479-1482
The Alapaevsk-Sukhoi Log zone about 100 km long and 3–10 km wide with numerous porphyry copper occurrences and small deposits is located in the eastern part of the East Ural volcanic megazone, Middle Urals. The long evolution of productive magmatis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::792e7564e53235ce77eb3c964d51cd53
https://doi.org/10.1134/s1028334x14120058
https://doi.org/10.1134/s1028334x14120058
Autor:
V. V. Kholodnov, V. N. Puchkov, A. I. Grabezhev, Yu. L. Ronkin, I. B. Seravkin, A. M. Kosarev
Publikováno v:
Doklady Earth Sciences. 459:1317-1321
1317 In this communication, we discuss new data on the radiological age and composition of parental rocks of the Voznesenskoe deposit and Karagaikul occurrence of the copper-porphyry type localized in the melange zone of the Main Uralian fault in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::834b8cb99bb0e1ecaacfad24eb822ec1
https://doi.org/10.1134/s1028334x1411004x
https://doi.org/10.1134/s1028334x1411004x
Autor:
A. I. Grabezhev, Panagiotis Voudouris
Publikováno v:
The Canadian Mineralogist. 52:671-686
Molybdenite from the Voznesensk porphyry Cu ± (Mo,Au) deposit, southern Urals, Russia, displays high Re content and a well-documented oscillatory zoning for this mineral. The molybdenite forms part of a quartz-molybdenite-pyrite-chalcopyrite assembl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7d1bc9a8e30af8f47e996a031ac27a9
https://doi.org/10.3749/canmin.1300048
https://doi.org/10.3749/canmin.1300048