Zobrazeno 1 - 10
of 131
pro vyhledávání: '"F. Stumpfl"'
Publikováno v:
Mineralium Deposita. 40:123-126
Polished ore samples from the world-class Bleiberg lead-zinc deposit in Austria were studied by Field Emission Scanning Electron Microscopy (FESEM) at magnifications in the range of 105–106. The zinc ore shows nano-sized sphalerite filaments and sp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe15a973df27778d7075e3b6d1c1b5f5
https://doi.org/10.1007/s00126-005-0473-0
https://doi.org/10.1007/s00126-005-0473-0
Publikováno v:
The Canadian Mineralogist. 42:1825-1845
Nous avons trouve la zirconolite (CaZrTi 2 O 7 ) associee aux accessoires baddeleyite (ZrO 2 ), thorianite (ThO 2 ), uraninite (UO 2 ), thorite ou huttonite (ThSiO 4 ) et zircon (ZrSiO 4 ) dans des echantillons de chromitite du massif de Finero, de d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50e93fdad466c14fd43a731d82f63bae
https://doi.org/10.2113/gscanmin.42.6.1825
https://doi.org/10.2113/gscanmin.42.6.1825
Autor:
Eugen F. Stumpfl, Omar A. Kamel, Ibrahim M. Shalaby, Hassan M. Helmy, Mahmoud M. El Mahallawi
Publikováno v:
Mineralium Deposita. 39:608-621
The Um Samiuki Zn–Cu–Pb–Ag mineralisation, south Eastern Desert, Egypt is hosted by felsic volcanic rocks which form part of the 712-Ma-old, east-west-trending Shadli Volcanic Belt. Two major occurrences of massive sulphides are present at the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04218df654117a5d2a28ca3ebbb88cbe
https://doi.org/10.1007/s00126-004-0427-y
https://doi.org/10.1007/s00126-004-0427-y
Publikováno v:
Economic Geology. 99:257-277
The Rum Jungle mineral field, Northern Territory, Australia, forms part of the Paleoproterozoic Pine Creek orogen. The geology of the area comprises two Archean granitic basement domes, overlain by a Paleoproterozoic sequence of metasedimentary and s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8aa25fde4ea67d56bfa7f180ff6603b
https://doi.org/10.2113/gsecongeo.99.2.257
https://doi.org/10.2113/gsecongeo.99.2.257
Publikováno v:
Geofluids. 3:147-159
Uranium/thorium (U/Th)-rich bitumen has been discovered within both Palaeoproterozoic black pelites and the Archean granitic basement of the Rum Jungle Mineral Field, Northern Territory, Australia. Granite-hosted bitumen occurs as small (up to 400-µ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d8b4211993a80c525a10eb0c38852a63
https://doi.org/10.1046/j.1468-8123.2003.00057.x
https://doi.org/10.1046/j.1468-8123.2003.00057.x
Autor:
Frank Melcher, Oskar Thalhammer, Ernst Pernicka, Eugen F. Stumpfl, Vladimir V. Knauf, Kreshimir N. Malitch, Stephan A. Junk
Publikováno v:
The Canadian Mineralogist. 41:331-352
The chemical and osmium-isotope composition of platinum-group minerals (PGM) [e.g., laurite–erlichmanite (RuS 2–OsS2), ruarsite–osarsite (RuAsS–OsAsS) series and Os–Ir alloy (Os,Ir)] from variably altered podiform chromitites of the Kraubat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f5d8ba32ff22b02fa04262bf400e9ca
https://doi.org/10.2113/gscanmin.41.2.331
https://doi.org/10.2113/gscanmin.41.2.331
Publikováno v:
The Canadian Mineralogist. 40:457-461
La vincentite a ete decrite en 1974 comme nouvelle espece minerale de palladium provenant de concentres alluvionnaires de platine-or preleves dans la riviere Riam Kanan, secteur sud-est de Borneo. Vu la taile infime des grains, il n'etait pas possibl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::213b9daae9fd32848d90ccdda3fa60fe
https://doi.org/10.2113/gscanmin.40.2.457
https://doi.org/10.2113/gscanmin.40.2.457
Autor:
Dean Gregurek, Clemens Reimann, Heikki Niskavaara, Eugen F. Stumpfl, Frank Melcher, Vladimir A. Pavlov
Publikováno v:
Atmospheric Environment. 33:3281-3290
In April 1996 snowpack samples were collected from the surroundings of the ore roasting and dressing plant at Zapoljarnij and the nickel smelters at Nikel and Monchegorsk, Kola Peninsula, NW Russia. In the laboratory, filter residues of snowpack samp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1047da6420976809e273c2a067b3789a
https://doi.org/10.1016/s1352-2310(98)00434-8
https://doi.org/10.1016/s1352-2310(98)00434-8
Publikováno v:
Mineralogy and Petrology. 65:87-111
Fifteen snow samples were collected at the end of the 1995/96 winter in the vicinity (1.5–8 km) of the copper-nickel processing plants at Zapoljarnij, Nikel and Monchegorsk on the Kola Peninsula, NW Russia. Polished sections were made from the snow
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0effb7bdc11d526398639fd589085e8
https://doi.org/10.1007/bf01161578
https://doi.org/10.1007/bf01161578
Publikováno v:
The Science of The Total Environment. 221:189-200
Fifteen large (>20 kg) snowpack samples, representing the atmospheric deposition of one winter (1995/1996), were collected in the vicinity (1.5–8 km) of the copper–nickel processing plants on the Kola Peninsula, NW Russia. Microscopical (reflecte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::07e3c076c0319ebf489bd8412c304d00
https://doi.org/10.1016/s0048-9697(98)00293-9
https://doi.org/10.1016/s0048-9697(98)00293-9