Economic geology : bulletin of the society of economic geologists, Vol. 107 N° 2. Economic geology and the bulletin of the society of economic geologists - Mars/Avril 2012
| Titre : | Economic geology : bulletin of the society of economic geologists, Vol. 107 N° 2. Economic geology and the bulletin of the society of economic geologists - Mars/Avril 2012 |
| Type de document : | Bulletin |
| Paru le : | 03/04/2012 |
Dépouillements
Article : texte imprimé
Robert D. Tucker, Auteur ;
Harvey E. Belkin, Auteur ;
Klaus J. Schulz, Auteur
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The rapid rise in world demand for the rare-earth elements (REEs) has expanded the search for new REE resources. We document two types of light rare-earth element (LREE)-enriched rocks in the Khanneshin carbonatite complex of southern Afghanista[...]
Article : texte imprimé
Maarten Haest, Auteur ;
Thomas Cudahy, Auteur ;
Carsten Laukamp, Auteur
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Visible-near to shortwave infrared reflectance spectra (VNIR-SWIR—400–2,500 nm wavelength region) provide quantitative measurements of mineral abundances and mineral physicochemistries from drill core samples of channel iron ore. The infrared sp[...]
Article : texte imprimé
Maarten Haest, Auteur ;
Thomas Cudahy, Auteur ;
Carsten Laukamp, Auteur
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This study demonstrates how mineralogy generated from spectroscopic visible, near, and shortwave infrared reflectance data, collected using rapid drill core logging systems, can be used to build one-, two- and three-dimensional models of the arc[...]
Article : texte imprimé
Simon M. Jowitt, Auteur ;
Reid R. Keays, Auteur ;
Peter G. Jackson, Auteur
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The Woods Point dike swarm of eastern Victoria, Australia, has produced over 133 tonnes (t) of Au. Here, as in a number of other orogenic Au provinces, a close spatial relationship is observed between orogenic Au mineralization and intrusive roc[...]
Article : texte imprimé
Bélinda Godel, Auteur ;
Ignacio González-Álvarez, Auteur ;
Stephen J. Barnes, Auteur
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Recent exploration in the Duketon greenstone belt, Yilgarn craton, Western Australia, led to the discovery of a new occurrence of high-grade Ni-PGE (platinum group element) sulfide mineralization associated with komatiite; this is referred to as[...]
Article : texte imprimé
Jeremy P. Richards, Auteur ;
Terry Spell, Auteur ;
Esmaeil Rameh, Auteur
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The temporal and geochemical evolution of arc magmatism that culminated in porphyry Cu ± Mo ± Au deposit formation has been studied in three separate Neo-Tethyan arc systems in central and eastern Iran, and western Pakistan. Porphyry Cu-Au depos[...]
Article : texte imprimé
Jung Hun Seo, Auteur ;
Marcel Guillong, Auteur ;
Christoph A. Heinrich, Auteur
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The giant Bingham Canyon porphyry Cu-Mo-Au deposit (Utah) is associated with Eocene subvolcanic intrusions. It shows a distinct metal zonation above a barren core, with dominantly shallow Cu-Au mineralization (Cu stage) following the early quart[...]
Article : texte imprimé
Xin-Fu Zhao, Auteur ;
Mei-Fu Zhou, Auteur ;
Murray W. Hitzman, Auteur
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Sedimentary rock-hosted strata-bound copper deposits are widespread in the Kangdian region of the Central Yunnan and southern Sichuan provinces, southwest China. The deposits occur within weakly metamorphosed rocks of the late Paleoproterozoic t[...]
Article : texte imprimé
Alec Trendall, Auteur
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Article : texte imprimé
Andrey Bekker, Auteur ;
B. Krapež, Auteur ;
J. F. Slack, Auteur
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