Economic geology : bulletin of the society of economic geologists, Vol. 107 N° 4. Economic geology and the bulletin of the society of economic geologists - Juin/Juillet 2012
| Titre : | Economic geology : bulletin of the society of economic geologists, Vol. 107 N° 4. Economic geology and the bulletin of the society of economic geologists - Juin/Juillet 2012 |
| Type de document : | Bulletin |
| Paru le : | 12/09/2012 |
Dépouillements
Article : texte imprimé
S. E. Ingebritsen, Auteur ;
M. S. Appold, Auteur
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Hydrothermal ore deposits represent a convergence of fluid flow, thermal energy, and solute flux that is hydrogeologically unusual. From the hydrogeologic perspective, hydrothermal ore deposition represents a complex coupled-flow problem—suffici[...]
Article : texte imprimé
Paul Duuring, Auteur ;
Steffen G. Hagemann, Auteur ;
Yulia Novikova, Auteur
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Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) image analysis is a proven method for mapping mineral and geochemical zonation associated with a variety of ore types, including orogenic Au, porphyry Cu-(Mo), porphyry-skarn[...]
Article : texte imprimé
Thomas Angerer, Auteur ;
Steffen G. Hagemann, Auteur ;
Leonid V. Danyushevsky, Auteur
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The banded iron formation (BIF)-hosted iron ore deposits in the lower greenstone succession of the Koolyanobbing greenstone belt, 50 km north of Southern Cross in Western Australia, are a ~200 Mt high-grade Fe (> 58%) pre-mining resource and rep[...]
Article : texte imprimé
H. V. Eales, Auteur ;
G. Costin, Auteur
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In the lowermost rocks of the Rustenburg Layered Suite (Bushveld Complex), levels of total Cr2O3 are up to ten times higher than its putative solubility (0.16% Cr2O3) in the magmas that many investigators have accepted as parental to the dunites[...]
Article : texte imprimé
Amy B. D. Cockerton, Auteur ;
Andrew G. Tomkins, Auteur
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The liquid bismuth collector model has previously been proposed to explain the common association between gold and bismuth seen in many ore deposits, and involves the scavenging of gold from hydrothermal fluid by liquid bismuth. Here, textural r[...]
Article : texte imprimé
Mohammad Maanijou, Auteur ;
Iraj Rasa, Auteur ;
David R. Lentz, Auteur
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The Chehelkureh base metal deposit in southeast Iran is in an abandoned historic copper district that is fault controlled and hosted in a sequence of slightly Eocene interbedded graywackes, siltstones, and shales. Several stocks and dikes of Oli[...]
Article : texte imprimé
D. A. Holwell, Auteur ;
D. Selby, Auteur ;
A. J. Boyce, Auteur
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The Kangerlussuaq Alkaline Complex, East Greenland, is one of the largest alkaline complexes in the world. It is known to host a number of occurrences of base and precious metal mineralization, including the Flammefjeld porphyry Mo deposits and [...]
Article : texte imprimé
Toru Shimizu, Auteur ;
Yuichi Morishita, Auteur
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Textural, chemical, and microthermometric characteristics of In-bearing sphalerite from the Toyoha Zn-Pb-Ag-Cu-Sn-In vein-type deposit are investigated using petrography, X-ray mapping, electron microprobe analyses, and near-infrared (NIR) micro[...]
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