 | Palomares, R. M., Hernandez, R. L., Menor, L. O., Garcia, R. P., Perez, S. M., Linares, F. G. (2013) HYDROTHERMAL PALLADIUM ENRICHMENT IN PODIFORM CHROMITITES OF CALZADILLA DE LOS BARROS (SW IBERIAN PENINSULA) The Canadian Mineralogist, 51 (3) 387-404 doi:10.3749/canmin.51.3.387 | Journal (article/letter/editorial) | | 18002, Granada, Spain
Abstract
The serpentinized peridotite massifs of Calzadilla de los Barros (Ossa-Morena...Minor discordant clinopyroxenite veins cut the peridotite massifs. The
chromitites show total transformation...Introduction
Analysis of the mineral chemistry of chromite allows
determination of the petrogenesis of ophiolitic...attributable mainly to the compatibility of IPGE in
chromite, such that they co-precipitate as small, IPGErich...IPGErich platinum group minerals within their host chromite
(e.g., Stockman & Hlava 1984, Prichard et al. |  | | Journal (article/letter/editorial) | | the Orhaneli
and Harmancık ophiolites (Bursa, NW Turkey) as evidenced by
mineralogical and compositional...Trabzon, Turkey
Department of Geological Engineering, Bülent Ecevit University, 67100 Zonguldak, Turkey
c
Department...Engineering, Recep Tayyip Erdoğan University, Rize, Turkey
e
Department of Earth and Environmental Sciences...Ophiolite
Turkey
a b s t r a c t
Chromitites from Orhaneli and Harmancık ophiolites (Bursa, NW Turkey) are...reconcentrated during pooling of the resultant melts where chromite
⁎ Corresponding author. Tel.: +90 462 3772744; |  | Escayola, M., Garuti, G., Zaccarini, F., Proenza, J. A., Bedard, J. H., Van Staal, C. (2011) Chromitite and platinum-group-element mineralization at Middle Arm Brook, Advocate Ophiolite complex, Baie Verte Peninsula, Newfoundland, Canada. The Canadian Mineralogist, 49 (6). 1523-1547 doi:10.3749/canmin.49.6.1523 | Journal (article/letter/editorial) | | with
low-temperature alteration phases (ferrian chromite, Fe oxides, serpentine, chlorite, brucite, awaruite...segregated at a high temperature interstitially to the chromite. This fact is unusual for sulfide-undersaturated...saturation was reached during the late stage of chromite precipitation, possibly by assimilation of sulfur...sulfur
from the country-rock mantle peridotite.
Keywords: platinum-group elements, platinum-group minerals...l’altération hydrothermale à faible température (chromite ferrique, oxydes de Fe, serpentine, chlorite, |  | | Journal (article/letter/editorial) | | effect is only the relocation of the limestone deposit from one place to another. Platform
carbonates...subduction. Abbreviation: UHP, ultrahigh pressure.
peridotite-hosted domains in the mantle. Elements including...crystallize from magmas as trace phases
along with chromite (e.g., Uysal 2008, Akbulut et al. 2010). Laurite...March 2012
14:6
mineral commonly associated with chromite. Secondary platinum native metals form during...rare
component of mantle-derived rocks, including chromite-rich exhumed mantle and kimberlites
(e.g., Trumbull |
|