Economic geology : bulletin of the society of economic geologists, Vol. 107 N° 1. Economic geology and the bulletin of the society of economic geologists - Janvier/Fevrier 2012
| Titre : | Economic geology : bulletin of the society of economic geologists, Vol. 107 N° 1. Economic geology and the bulletin of the society of economic geologists - Janvier/Fevrier 2012 |
| Type de document : | Bulletin |
| Paru le : | 02/04/2012 |
Dépouillements
Article : texte imprimé
Andreas G. Mueller, Auteur ;
Louisa M. Lawrance, Auteur ;
Janet Muhling, Auteur
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The Hannan South Au-Cu skarn deposit is located 12 km southeast of Kalgoorlie in the 2.7 Ga Eastern Goldfields Orogen of the Archean Yilgarn Craton, Western Australia. Two epidote-quartz-calcite-magnetite orebodies, controlled by the same revers[...]
Article : texte imprimé
Gideon Lambiv Dzemua, Auteur ;
Sarah A. Gleeson, Auteur
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The Nkamouna Co-Mn-Ni laterite is an advanced exploration project located in southeast Cameroon. The deposit comprises a deep and complex laterite profile with high Co (~0.25 wt %) and Mn (1.33 wt %) contents, subeconomic Ni grade and a Ni:Co ra[...]
Article : texte imprimé
Jian-Wei Li, Auteur ;
Zhan-Ke Li, Auteur ;
Mei-Fu Zhou, Auteur
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The Yangzhaiyu gold deposit is one of numerous lode gold deposits in the Xiaoqinling district, southern margin of the North China Craton. Gold mineralization is hosted in Neoarchean to early Paleoproterozoic amphibolite facies metamorphic rocks [...]
Article : texte imprimé
Emma R. Sheard, Auteur ;
Anthony E. Williams-Jones, Auteur ;
Martin Heiligmann, Auteur
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The Thor Lake rare metal (Zr, Nb, REE, Ta, Be, Ga) deposits in Canada’s Northwest Territories represent one of the largest resources of zirconium, niobium, and the heavy rare earth elements (HREE) in the world. Much of the potentially economic m[...]
Article : texte imprimé
Marco L. Fiorentini, Auteur ;
Andrey Bekker, Auteur ;
Olivier Rouxel, Auteur
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We report here high-precision multiple sulfur and iron isotope compositions for a series of mineralized samples from Ni-Cu-(PGE) sulfide deposits in the Archean Tati greenstone belt and the Phikwe Complex of eastern Botswana. Mineralized samples[...]
Article : texte imprimé
Mohammed Bouabdellah, Auteur ;
Donald F. Sangster, Auteur ;
David L. Leach, Auteur
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The Mississippi Valley-type deposits of the Touissit-Bou Beker district are hosted by a 25 m thick sequence of diagenetically and hydrothermally dolomitized carbonate platform rocks of Aalenian-Bajocian age. The sulfide mineralization consists p[...]
Article : texte imprimé
Tao Cui, Auteur ;
Jianwen Yang, Auteur ;
Iain M. Samson, Auteur
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Numerical experiments were carried out to investigate the fluid flow in typical Proterozoic basins that host unconformity-related uranium deposits. We have constructed a simplified conceptual model by integrating important features shared by the[...]
Article : texte imprimé
James A. Saunders, Auteur ;
Matthew E. Brueseke, Auteur
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Subduction, partial melting of mantle and magma generation, and ultimately magma degassing can lead to the preferential mobilization of volatile elements and compounds. Research indicates that devolatilization reactions in a subducted slab can c[...]
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