Economic geology : bulletin of the society of economic geologists, Vol. 106 N° 4. Economic geology and the bulletin of the society of economic geologists - Juin/Juillet 2011
| Titre : | Economic geology : bulletin of the society of economic geologists, Vol. 106 N° 4. Economic geology and the bulletin of the society of economic geologists - Juin/Juillet 2011 |
| Type de document : | Bulletin |
| Paru le : | 11/09/2011 |
Dépouillements
Article : texte imprimé
Zoran Seat, Auteur ;
M. A. Mary Gee, Auteur ;
Benjamin A. Grguric, Auteur
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The Nebo-Babel intrusion, which hosts a world-class magmatic Ni-Cu-PGE sulfide deposit, is a concentrically zoned, tube-like gabbronorite body. The emplacement of Nebo-Babel at 1068.0 ± 4.3 Ma was part of a major magmatic event, which included t[...]
Article : texte imprimé
Bélinda Godel, Auteur ;
Zoran Seat, Auteur ;
Wolfgang D. Maier, Auteur
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The Nebo-Babel Ni-Cu-platinum-group element (PGE) sulfide deposit (West Musgrave, Australia) is hosted in a gabbronorite chonolith emplaced into sulfur-free country-rock orthogneiss at ca. 1068 Ma. Five different types of mafic dikes are found i[...]
Article : texte imprimé
K. Lund, Auteur ;
R. G. Tysdal, Auteur ;
K. V. Evans, Auteur
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The Cu-Co ± Au (± Ag ± Ni ± REE) ore deposits of the Blackbird district, east-central Idaho, have previously been classified as Besshi-type VMS, sedex, and IOCG deposits within an intact stratigraphic section. New studies indicate that, across t[...]
Article : texte imprimé
Todd A. Bonsall, Auteur ;
Paul G. Spry, Auteur ;
Panagiotis Ch. Voudouris, Auteur
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Strata-bound carbonate-replacement Pb-Zn-Ag deposits in the Lavrion district, Greece, are spatially related to a late Miocene granodiorite intrusion (7–10 Ma) and various sills and dikes of mafic to felsic composition. The Plaka granodiorite con[...]
Article : texte imprimé
A. M. Fairmaid, Auteur ;
M. A. Kendrick, Auteur ;
D. Phillips, Auteur
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The hydrothermal fluids responsible for gold mineralization at the Ballarat East gold deposit (the second largest orogenic gold deposit in the western Lachlan orogen) are thought to have links to a variety of processes, including metamorphism, s[...]
Article : texte imprimé
T. Ulrich, Auteur ;
D. G. F. Long, Auteur ;
B. S. Kamber, Auteur
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Extensive pyrite-bearing, auriferous cobble and boulder conglomerates are present in the basal 30 m of the Mississagi Formation in Pardo and Clement Townships, Ontario, Canada. The sedimentology of the conglomerates, combined with regional geolo[...]
Article : texte imprimé
Baohong Hou, Auteur ;
John Keeling, Auteur ;
Anthony Reid, Auteur
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The marine Eucla basin in southern Australia is emerging as a major new heavy minerals province in Australia. Beach placers are associated with a series of partially buried Cenozoic coastal barrier sands formed along an arcuate 2,000-km-long bas[...]
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