Výsledky vyhledávání - "S. S. Udubasa"

Research, assessment and management of the travertine resources from the Banpotoc-Carpinis deposit (South Apuseni Mts., Romania)

Autor: Günter Tiess, Mihai Marinescu, S. S. Udubasa

Publikováno v: Gospodarka Surowcami Mineralnymi. 33:25-41

Romania is not a large country but, due to the very complex geological structure, it has 110 mineral and power substances with identified and quantified resources and reserves. In time, the most numerous from these (82) have been exploited at the gro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8b7de16808d7cbe955d2af1df09fac95
https://doi.org/10.1515/gospo-2017-0020

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Mössbauer, TEM/SAED and XRD investigation on waste dumps of the Valea lui Stan gold mines

Autor: Gheorghe Udubasa, Nicoleta Popescu-Pogrion, Serban_Grigore Constantinescu, Ionel Mercioniu, Victor Kuncser, Marcel Feder, S. S. Udubasa

Publikováno v: Hyperfine Interactions. 208:79-84

The complementary investigation techniques, Mossbauer spectroscopy, transmission electron microscopy with selected area electron diffraction (TEM/SAED), X-ray diffraction (XRD) have been used to investigate the fate of the Valea lui Stan, Romania, go

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6d50a5e6f9bf56e9fcf06934d63cd812
https://doi.org/10.1007/s10751-011-0490-6

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Connexion porphyre cuprifère-épithermaux de type low-sulfidation : analyse structurale et représentation 3D du secteur de Bolcana, monts Apuseni, Roumanie

Autor: Anne-Sylvie André-Mayer, Alain Chauvet, Judith Sausse, Jacques Leroy, Marc Lespinasse, Olivier Cardon, S. S. Udubasa, Viorica Milu

Publikováno v: Comptes Rendus Géoscience
Comptes Rendus Géoscience, Elsevier, 2005, 337, pp.824-831. ⟨10.1016/j.crte.2005.03.014⟩

Resume Les gisements epithermaux de type low-sulfidation a Au et Pb Zn de Troita, Trestia et Magura (monts Apuseni, Roumanie) sont spatialement associes au porphyre cuprifere de Bolcana. Dans l'objectif d'etudier la connexion entre ces mineralisation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c470aef30670bec01d2790e88541afeb
https://hal.archives-ouvertes.fr/hal-00082100

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NGR, XRD and TEM/SAED investigations on waste dumps materials with a view to recover precious metals

Autor: S. Constantinescu, Nicoleta Popescu-Pogrion, S. S. Udubasa, M Feder, G. Udubasa

Publikováno v: Journal of Physics: Conference Series. 217:012056

Two types of ores were selected for the investigation of the fate of the ore minerals during relatively long time of residence in the waste dumps (active mining: 25 years ago in the Badeanca Valley and some 50 years ago in the Valea lui Stan area). T

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a666375711484c55b895aa9c890eac47
https://doi.org/10.1088/1742-6596/217/1/012056

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