Economic geology : bulletin of the society of economic geologists, Vol. 105 N° 8. Economic geology and the bulletin of the society of economic geologists - Décembre 2010
| Titre : | Economic geology : bulletin of the society of economic geologists, Vol. 105 N° 8. Economic geology and the bulletin of the society of economic geologists - Décembre 2010 |
| Type de document : | Bulletin |
| Paru le : | 07/09/2011 |
Dépouillements
Article : texte imprimé
Richard H. Sillitoe, Auteur ;
José Perelló, Auteur ;
Alfredo García, Auteur
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The Central African Copperbelt of Zambia and Democratic Republic of Congo, along with its broad time equivalents in Botswana and Namibia (the Kalahari Copperbelt), is the world’s largest sediment-hosted, stratiform copper province. The economica[...]
Article : texte imprimé
R. J. Chapman, Auteur ;
J. K. Mortensen, Auteur ;
E. C. Crawford, Auteur
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Orogenic gold camps are commonly associated with placer deposits although in many cases the relationship between placer and lode source may be unclear. Placer gold deposits in Bonanza and Eldorado Creeks in the northern Klondike district goldfie[...]
Article : texte imprimé
R. J. Chapman, Auteur ;
J. K. Mortensen, Auteur ;
E. C. Crawford, Auteur
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Alloy compositions and associated suites of opaque mineral inclusions have been used to define the micro-chemical signature of 3,050 placer gold grains from 34 localities and 561 gold grains from six lode localities from the northeastern, centra[...]
Article : texte imprimé
A. E. Williams-Jones, Auteur ;
I. M. Samson, Auteur ;
K. M. Ault, Auteur
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The Mochito deposit, located in Honduras, is a distal Zn(-Pb-Ag) skarn in which economic mineralization (sphalerite and subordinate, argentiferous galena) is found in mantos and chimneys dominated by garnet and pyroxene that replaced limestone a[...]
Article : texte imprimé
Huayong Chen, Auteur ;
Alan H. Clark, Auteur ;
T. Kurtis Kyser, Auteur
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Marcona, the preeminent Andean magnetite deposit (1.9 Gt @ 55.4% Fe and 0.12% Cu), is located in the iron oxide copper-gold (IOCG) subprovince of littoral south-central Perú. Fe oxide and Cu (-Zn-Pb) sulfide mineralization was controlled by nort[...]
Article : texte imprimé
Ryan Mathur, Auteur ;
Molly Dendas, Auteur ;
Spencer Titley, Auteur
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Cu isotope measurements of minerals from American southwest porphyry Cu deposits reveal a positive relationship with the grade of Cu and display spatial patterns. We measured the Cu isotope composition of 87 minerals contained within veins from [...]
Article : texte imprimé
Natalie Eva Bursztyn, Auteur ;
Gema Ribeiro Olivo, Auteur
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The Flin Flon greenstone belt is best known for its world-class volcanogenic massive sulfide deposits. However, the recent discovery of the McBratney platinum group element (PGE)-Au occurrence and other PGE occurrences has drawn attention to the[...]
Article : texte imprimé
Sarah-Jane Barnes, Auteur ;
Wolfgang D. Maier, Auteur ;
Edward A. Curl, Auteur
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The Bushveld Complex contains large ore deposits of platinum-group elements (PGE), V, and Cr. Understanding how these deposits formed is in part dependent on estimates of the compositions of the magmas that filled the Bushveld chamber. Over the [...]
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