Economic geology : bulletin of the society of economic geologists, Vol. 105 N° 2. Economic geology and the bulletin of the society of economic geologists - Mars/Avril 2010
| Titre : | Economic geology : bulletin of the society of economic geologists, Vol. 105 N° 2. Economic geology and the bulletin of the society of economic geologists - Mars/Avril 2010 |
| Type de document : | Bulletin |
| Paru le : | 07/09/2011 |
Dépouillements
Article : texte imprimé
John Mavrogenes, Auteur ;
Richard W. Henley, Auteur ;
Agnes G. Reyes, Auteur
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In enargite-gold (high-sulfidation) vein deposits, magmatic fluid is considered responsible for the transport of metals and sulfur into the depositional regime. New data from Field-Emission SEM analyses of sulfosalt mineral assemblages (primaril[...]
Article : texte imprimé
Coroccohuayco is a porphyry-related copper skarn deposit in the Andahuaylas-Yauri batholith of southeast Peru with little evidence for the presence of a significantly mineralized hydrothermal system at surface. The deposit occupies the hinge zon[...]
Article : texte imprimé
Katharina Wulff, Auteur ;
Annika Dziggel, Auteur ;
Jochen Kolb, Auteur
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The Navachab gold mine in the Damara belt of central Namibia is characterized by a polymetallic Au-Bi-As-Cu-Ag ore assemblage, including pyrrhotite, chalcopyrite, sphalerite, arsenopyrite, bismuth, gold, bismuthinite, and bismuth tellurides. Gol[...]
Article : texte imprimé
Jonathan Cloutier, Auteur ;
Kurt Kyser, Auteur ;
Gema R. Olivo, Auteur
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Previous studies on Athabasca basin unconformity-related uranium deposits have focused on major deposits and have not investigated sites with barren alteration systems that could clarify some of the critical factors controlling mineralization pr[...]
Article : texte imprimé
Robert Bodnar, Auteur ;
Jean Cline, Auteur
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Article : texte imprimé
Michel Dubois, Auteur ;
Christophe Monnin, Auteur ;
Teddy Castelain, Auteur
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Lithium can reach high concentrations in some geological environments, such as rare element pegmatites, continental brines, and hydrothermal systems. The H2O-NaCl-LiCl system was investigated as a model for fluid inclusion studies in lithium-ric[...]
Article : texte imprimé
G. Xue, Auteur ;
D. Marshall, Auteur ;
S. Zhang, Auteur
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The Dyakou emerald occurrence is located in Malipo County in the province of Yunnan, southern China. The occurrence lies in the northern part of the Laojunshan-Song Chay metamorphic core complex, which is exposed in an area of approximately 2,00[...]
Article : texte imprimé
Kalin Kouzmanov, Auteur ;
Thomas Pettke, Auteur ;
Christoph A. Heinrich, Auteur
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Laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) in combination with near-infrared microscopy of fluid inclusions hosted by ore minerals that are opaque to visible light can provide the composition of ore-precipitating flu[...]
Article : texte imprimé
A. Tomilenko, Auteur ;
N. Gibsher, Auteur ;
Y. Dublyansky, Auteur
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This paper reports on the comparative study of fluids trapped in inclusions in gold-bearing and barren quartz veins at the Sovetskoye gold deposit, Yeniseisky ridge, Siberia, Russia. The host rocks are greenschist facies metasedimentary rocks of[...]
Article : texte imprimé
Vsevolod Yu Prokofiev, Auteur ;
Paolo S. Garofalo, Auteur ;
Nikolay S. Bortnikov, Auteur
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Darasun, Teremkyn, and Talatui are neighboring deposits in the Darasun gold district of Transbaikalia (Russia) that are hosted by Middle-Late Jurassic subduction-related porphyry intrusions and dikes. Darasun consists of vertically extensive, st[...]
Article : texte imprimé
J. J. Wilkinson, Auteur
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Many fluid inclusion studies have been carried out in the Irish Midlands basin ore field (Lower Carboniferous) since the earliest work by Ed Roedder in the late 1960s. Results show that, in the ore deposits, the total range in fluid salinity is [...]
Article : texte imprimé
Volker Lüders, Auteur ;
Samuel Niedermann, Auteur
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Noble gas compositions of fluid inclusions hosted in sulfides from two modern submarine hydrothermal sites of contrasting tectonic settings have been analyzed. The JADE Field (central Okinawa Trough, Japan) is located in an active intracontinent[...]
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