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| | Journal (article/letter/editorial) | | geochemistry of chromitite
of the Kluchevskoy ophiolite complex, central Urals (Russia)
F. Zaccarini a,⁎,1 , E...Branch, Str. Pochtovy per. 7, 620151 Ekaterinburg, Russia
c
Department of Earth Sciences, Via S. Eufemia...chromitites occurring in the Kluchevskoy ophiolite complex of the Russian Urals. The
chromite composition suggests...over Rh–Pt–Pd, as typical of the mantle hosted ophiolite chromitites. Consistent
with the geochemical data...Voikar–Sininsky ophiolites has shown that all these chromite deposits form in the same
geodynamic environment | 👁 Image
| | Journal (article/letter/editorial) | | Dating of Rocks and Minerals of the Chromite-Bearing
Kluchevskoy Ophiolite Massif (the Eastern Segment of...Akademika Vonsovskogo Str. 15, 620110 Yekaterinburg, Russia
* Correspondence: erokhin-yu@yandex.ru; Tel.: +7-(950)-194-2752...Dating of Rocks and
Minerals of the Chromite-Bearing
Kluchevskoy Ophiolite Massif (the
Eastern Segment of...the estimation of the age of the rocks of the ophiolite association
will be useful for analyzing the regularities...of chromite deposits. This work presented
the results of age dating of the rocks of the chromite-bearing | 👁 Image
| Zaccarini, F., Pushkarev, E. V., Fershtater, G. B., Garuti, G. (2004) Composition and Mineralogy of PGE-Rich Chromitites in the Nurali Lherzolite Gabbro Complex, Southern Urals, Russia. The Canadian Mineralogist, 42 (2). 545-562 doi:10.2113/gscanmin.42.2.545 | Journal (article/letter/editorial) | | CHROMITITES IN THE NURALI LHERZOLITE–GABBRO COMPLEX, SOUTHERN URALS, RUSSIA FEDERICA ZACCARINI§ Department of Earth...Ural Branch, Pochtovy per. 7, 620151 Ekaterinburg, Russia GIORGIO GARUTI Department of Earth Sciences, University...in the Nurali lherzolite–gabbro complex, in the southern Urals, Russia, with regard to the composition...platinum-group elements, chromitites, Nurali complex, Urals, Russia. SOMMAIRE Nous avons étudié deux lentilles...INTRODUCTION The Nurali lherzolite–gabbro complex in the Southern Urals, Russia, consists of mantle tectonite overlain | 👁 Image
| | Journal (article/letter/editorial) | | Mendeleevskaya line 1, 199034 Sankt Petersburg, Russia
Mineral Processing and Extractive Metallurgy
Maney...Australian orogenic-gold systems at the deposit
to district scale using numerical modelling—W. Potma, P.A...mineralization of the Kontaktovyi stock in northeast Russia
—V.A. Sidorov, A.V. Volkov, A.A. Wolfson, and A...epithermal Kubaka
gold-silver deposit, northeast Russia—N.E. Savva, A.V. Volkov,
and A.A. Sidorov
Age of...474
Nature of the Ural platinum belt and its chromite-platinum metal
deposits—K. S. Ivanov, Yu. A. Volchenko | 👁 Image
| | Journal (article/letter/editorial) | | Platinum-Group and Base-Metal Mineral
Assemblages in Ophiolite Chromitites from the
Dobromirtsi Massif, Rhodope...evolution as their host peridotites. Like other
ophiolite chromitites, those found in Dobromirtsi carry...The PGM and BMM inclusions in unaltered zones of chromite crystals
(mainly laurite-erlichmanite and pentlandite)...contrast, PGM and
BMM located along altered edges of chromite and serpentinised silicate matrix are considered...sulfarsenides associated with the altered edges of chromite (chromite
strongly enriched in Fe2O3) is related with | 👁 Image
| | Journal (article/letter/editorial) | | chromitites at the Ranomena mine,
Toamasina chromite district, Madagascar
Giovanni Grieco ⁎, Anna Merlini...the only past-producing chromite mine in the North Toamasina chromite district of Eastern
Madagascar....can help to highlight the differences with other chromite deposits of Madagascar. Chromitite
host rocks...minerals are orthopyroxene and minor olivine. Chromite mineral chemistry shows a strong affinity with...stratigraphically lowest chromitites in the Bushveld Complex. PGMs are dominated
by laurite and are free of | 👁 Image
| | Journal (article/letter/editorial) | | PODIFORM CHROMITITE LOCALITIES
IN THE PINDOS OPHIOLITE COMPLEX, GREECE
Hazel M. PRICHARD
School of Earth...chromitite from two localities in the Pindos ophiolite complex in
Greece, Milia and Korydallos. At Milia...silicate matrix interstitial to the chromite grains, on the edges of chromite grains, and in veins of silicate...silicate
cross-cutting chromite. We suggest that the IPGE-bearing and Pt- and Pd-bearing PGM alloys and sulfarsenides...PGE-bearing alloys and arsenides.
Keywords: Pindos ophiolite, platinum-group minerals, PGE oxides, chromitite | 👁 Image
| Benham, A. J., Kováč, P., Petterson, M. G., Rojkovic, I., Styles, M. T., Gunn, A. G., McKervey, J. A., Wasy, A. (2009) Chromite and PGE in the Logar Ophiolite Complex, Afghanistan. Applied Earth Science, 118 (2) 45-58 doi:10.1179/174327509x434957 | Journal (article/letter/editorial) | | Chromite and PGE in the Logar Ophiolite
Complex, Afghanistan
A. J. Benham*1, P. Kováč2, M. G. Petterson1... J. A. McKervey1 and A. Wasy{4
The Logar Ophiolite Complex (LOC) is located 30 km south of Kabul, Afghanistan...unit that passes upwards into a dolerite dyke complex, basaltic pillow lavas
and an uppermost sequence...terrigenous-dominated sedimentary units. The
ophiolite represents an obducted remnant of intra-Tethyan...remobilisation and enrichment.
Keywords: Chromite, PGE, Platinum, Ophiolite, Afghanistan
Dedicated to the memory | 👁 Image
| Grieco, Giovanni, Cavallo, Alessandro, Marescotti, Pietro, Crispini, Laura, Tzamos, Evangelos, Bussolesi, Micol (2023) The Formation of Magnesite Ores by Reactivation of Dunite Channels as a Key to Their Spatial Association to Chromite Ores in Ophiolites: An Example from Northern Evia, Greece. Minerals, 13 (2) 159 doi:10.3390/min13020159 | Journal (article/letter/editorial) | | Channels as a Key to Their Spatial Association to Chromite Ores in Ophiolites: An Example from Northern Evia...Channels as a Key to Their Spatial Association to Chromite Ores in Ophiolites: An Example from Northern Evia...Correspondence: micol.bussolesi@unimib.it Abstract: Ophiolite magnesite deposits are among the main sources...November 2022 Keywords: magnesite; chromite; critical raw materials; ophiolite; serpentinite Revised: 17 January...frequently associated with the ultramafic rocks of ophiolite suites. The sources of Mg are the Mg-rich minerals | 👁 Image
| Prichard, Hazel M., Barnes, Sarah-Jane, Fisher, Peter C., Pagé, Philippi, Zientek, Michael L. (2017) Laurite and Associated PGM In the Stillwater Chromitites: Implications For Processes of Formation, and Comparisons With Laurite In the Bushveld and Ophiolitic Chromitites. The Canadian Mineralogist, 55 (1) 121-144 doi:10.3749/canmin.1600006 | Journal (article/letter/editorial) | | ABSTRACT
Chromitites found in layered intrusions and ophiolite complexes are generally enriched in platinum-group...shape of PGM in the nine chromite
layers (A to K) in the Stillwater Complex, Montana and then extend...the study to examine laurites from the Bushveld Complex
and ophiolites.
The most common PGM in the Stillwater...chromitites is laurite, predominantly enclosed in chromite grains. In a few cases
the laurite is accompanied...[CuPtRh(6Ir)S] and Pt-Pd-sulfides. Interstitial to the
chromite grains the PGM assemblage is quite different, | 👁 Image
| Uysal, İbrahim, Tarkian, Mahmud, Sadiklar, M. Burhan, Zaccarini, Federica, Meisel, Thomas, Garuti, Giorgio, Heidrich, Stefanie (2009) Petrology of Al- and Cr-rich ophiolitic chromitites from the Muğla, SW Turkey: implications from composition of chromite, solid inclusions of platinum-group mineral, silicate, and base-metal mineral, and Os-isotope geochemistry. Contributions to Mineralogy and Petrology, 158 (5) 659-674 doi:10.1007/s00410-009-0402-9 | Journal (article/letter/editorial) | | Muğla, SW Turkey: implications from composition
of chromite, solid inclusions of platinum-group mineral,
silicate...supra-subduction environment.
Dunites around the chromite deposits are considered to be
Communicated by...interaction. Most of the
chromitites contain high-Cr chromite and display enrichment in IPGE (Os, Ir, Ru) over...found to be the most abundant PGM
inclusions in chromite. Os–Ir–Ru alloy, irarsite, and kashinite, as well...inclusions in chromite or more
rarely in silicate matrix interstitial to chromite. Together with
chromite chemistry | 👁 Image
| Maibam, Bidyananda; Foley, Stephen; Luguet, Ambre; Jacob, Dorrit E.; Singh, Toijam Bapin; Ray, Dwijesh; Panda, Dipak Kumar; Keppler, Ruth (2017) Characterisation of chromites, chromite hosted inclusions of silicates and metal alloys in chromitites from the Indo-Myanmar ophiolite belt of Northeastern India. Ore Geology Reviews, 90. doi:10.1016/j.oregeorev.2017.05.032 | Journal (article/letter/editorial) | | Accepted Manuscript
Characterisation of chromites, chromite hosted inclusions of silicates and metal
alloys...alloys in chromitites from the Indo-Myanmar ophiolite belt of Northeastern India
Bidyananda Maibam, Stephen...Panda, R. Keppler,
Characterisation of chromites, chromite hosted inclusions of silicates and metal alloys...alloys in chromitites from the IndoMyanmar ophiolite belt of Northeastern India, Ore Geology Reviews (2017)...journal pertain.
Characterisation of chromites, chromite hosted inclusions of silicates and
metal alloys | 👁 Image
| | Journal (article/letter/editorial) | | to some discordant chromitites from the Oman ophiolite, a
typical podiform chromitite interpreted to...formed in a supra-subduction mantle setting before ophiolite obduction.
Keywords: chromitite xenoliths, discordant...chromitites, laurite, Takashima alkali basalt, Oman ophiolite.
INTRODUCTION
Ultramafic xenoliths provide us...discordant chromitite
pods in the northern Oman ophiolite at the outcrop (f–i). (a) Massive fine-grained...100
0.714
Fe*: Amount of Fe corrected for the chromite matrix effect. Total* : total of corrected data | 👁 Image
| | Journal (article/letter/editorial) | | Chromitites of Korydallos Area in the Pindos Ophiolite Complex (NW Greece) Argyrios Kapsiotis, Tassos A....Patras, Patras, Greece Abstract The Pindos ophiolite complex, located in the north-western part of continental...continental Greece, hosts various podiform chromite deposits generally characterized by low platinum-group...Geology PGM from Chromitites in the Pindos Ophiolite 1. Introduction The study of accessory and rare...from the area of Korydallos in the Pindos ophiolite complex, by in situ examination using both optical | 👁 Image
| | Journal (article/letter/editorial) | | of Platinum Group Minerals (PGM) Inclusions
in Chromite Deposits of the Urals
Federica Zaccarini 1, *...Science, Str. Pochtovy per. 7,
620151 Ekaterinburg, Russia; pushkarev@igg.uran.ru
Correspondence: federica...analyses of platinum-group minerals (PGM) from chromite deposits associated with ophiolites
and Alaskan-type...events before, during, and probably after primary chromite precipitation. The most
important controlling...low sulfur fugacity: they were
trapped in the chromite as solid particles. Oxygen thermobarometry supports | 👁 Image
| 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) | | post-magmatic
processes that allow Pd enrichment in ophiolite complexes, and highlights how platinum-group element...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....2009b) or they concentrate in solid solution in
chromite (Locmelis et al. 2011). For this reason, the
ratios | 👁 Image
| Grieco, Giovanni, Bussolesi, Micol, Eslami, Alireza, Gentile, Andrea, Cavallo, Alessandro, Lian, Dongyang, Yang, Jingsui, Ghaseminejad, Farhad (2020) Differential platinum group elements (PGE) re-mobilization at low fS2 in Abdasht and Soghan mafic-ultramafic complexes (Southern Iran). Lithos, 366. 105523pp. doi:10.1016/j.lithos.2020.105523 | Journal (article/letter/editorial) | | between 75 and 100%.
Keywords:
Abdasht-Soghan
complex,
chromitites,
platinum-group
elements,
platinum-group... The common euhedral shape of PGM
included in chromite suggests a precipitation from a magma. Experiments... Geological Setting
The Haji Abad-Esfandagheh district of Kerman province, Southern Iran, is located...long and 5-10 km wide E-W trending area in this district (Jannessary et al., 2012;
Najafzadeh and Ahmadipour...largest chromite producers in Iran after the Faryab chromitite deposits.
f
2.1. Abdasht complex
oo
Abdasht | 👁 Image
| Kapsiotis, Argirios, Grammatikopoulos, Tassos A., Tsikouras, Basilios, Hatzipanagiotou, Konstantin, Zaccarini, Federica, Garuti, Giorgio (2011) Mineralogy, composition and PGM of chromitites from Pefki, Pindos ophiolite complex (NW Greece): evidence for progressively elevated fAs conditions in the upper mantle sequence. Mineralogy and Petrology, 101 (1) 129-150 doi:10.1007/s00710-010-0140-8 | Journal (article/letter/editorial) | | and PGM of chromitites
from Pefki, Pindos ophiolite complex (NW Greece):
evidence for progressively elevated...Springer-Verlag 2010
Abstract The Pindos ophiolite complex, located in the
northwestern part of continental...continental Greece, hosts various chromite deposits of both metallurgical (high-Cr) and refractory
(high-Al)...are the predominant PGM species in
alpine-type chromite ores (e.g. Augé 1985; Augé and Johan
1988; Tarkian...formation of the Pefki chromitites in the
Pindos ophiolite complex. The presence of an unusual
PGM assemblage | 👁 Image
| Singh, A. Krishnakanta, Devi, L. Debala, Singh, N. Ibotombi, Subramanyam, K.S.V., Singh, R.K. Bikramaditya, Satyanarayanan, M. (2013) Platinum-group elements and gold distributions in peridotites and associated podiform chromitites of the Manipur Ophiolitic Complex, Indo-Myanmar Orogenic Belt, Northeast India. Geochemistry, 73 (2) 147-161 doi:10.1016/j.chemer.2012.07.004 | Journal (article/letter/editorial) | | podiform chromitites of the Manipur Ophiolitic Complex, Indo-Myanmar
Orogenic Belt, Northeast India
A...peridotites
Podiform chromitites
PGE
Manipur Ophiolitic Complex
Northeast India
a b s t r a c t
The distribution...podiform chromitites of the Manipur Ophiolitic Complex (MOC), Indo-Myanmar Orogenic
Belt, Northeast
...information on the genesis of the particular ophiolite
∗ Corresponding author.
E-mail address: aksingh...http://dx.doi.org/10.1016/j.chemer.2012.07.004
complex, its geotectonic setting, and the chemical–physical | 👁 Image
| | Journal (article/letter/editorial) | | Platinum-group mineral
Platinum-group element
Chromitite
Ophiolite
Turkey
a b s t r a c t
Chromitites from Orhaneli...one chromitite sample (BO13B) from the Orhaneli ophiolite contains magnesiochromite with relatively
low...83 and 169 ppb, two samples from the Orhaneli ophiolite show enrichments in total PGE
(up to 500 ppb)...the crust–mantle transition zone of numerous ophiolite
complexes. They are commonly thought to represent...reconcentrated during pooling of the resultant melts where chromite
⁎ Corresponding author. Tel.: +90 462 3772744; | 👁 Image
| Grammatikopoulos, T. A., Kapsiotis, A., Tsikouras, B., Hatzipanagiotou, K., Zaccarini, F., Garuti, G. (2011) SPINEL COMPOSITION, PGE GEOCHEMISTRY AND MINERALOGY OF THE CHROMITITES FROM THE VOURINOS OPHIOLITE COMPLEX, NORTHWESTERN GREECE. The Canadian Mineralogist, 49 (6) 1571-1598 doi:10.3749/canmin.49.6.1571 | Journal (article/letter/editorial) | | MINERALOGY
OF THE CHROMITITES FROM THE VOURINOS OPHIOLITE COMPLEX,
NORTHWESTERN GREECE
Tassos A. GRAMMATIKOPOULOS§...A–8700 Leoben, Austria
Abstract
The Vourinos ophiolite complex, in northwestern Greece, hosts abundant deposits...Vourinos (Cr#: 0.75–0.83). Olivine cores from the
chromite deposits of southern Vourinos have lower Mg# and...spinel deposits from the south and the north of the complex have been formed under different
physicochemical...melt of boninitic affinity.
Keywords: ophiolitic complex, chromitites, magnesiochromite, laurite, Ru–Os–Ir | 👁 Image
| | Journal (article/letter/editorial) | | ophiolitic peridotite exposures,
which host various chromite orebodies. These are small-sized, massive to disseminated...continental margin as the mantle suite of obducted
ophiolite nappes (e.g., Ahmed and Arai, 2003; Dönmez et...within the
ultramafic sequence of an individual ophiolite massif. Currently, the
most supported scenarios...of chromitites
located in the Antalya–Isparta ophiolite occurrences. Major and traceto minor-element abundances...mineralization throughout the mutual Antalya–Isparta ophiolite
complex.
2. General geological framework
The intense | 👁 Image
| | Journal (article/letter/editorial) | | layer were rocks of the South and East Krkonoše Complex of
Neoproterozoic age (e.g., phyllite and quartz)...underlain by volcanogenic
rocks of the Železný Brod Complex (Cambro-Ordovician oceanic-crust
type rocks). A...Chaloupský (1989) noted that this intrusive rock complex cannot be
compared to any other rocks known in...East Bohemia. The question remains whether this complex can represent a Meso/Neoproterozoic intrusion or...alloys from chromitites in the Luobusa
(Tibet) ophiolite. Shi et al. (2007) reported a mean 187Os/188Os | 👁 Image
| | Journal (article/letter/editorial) | | role of silica in the hydrous metamorphism of chromite
Vanessa Colás, José Alberto Padrón-Navarta, José...role of silica in the hydrous metamorphism of chromite, Ore Geology Reviews
(2017), doi: http://dx.doi...role of silica in the hydrous metamorphism of
chromite
Vanessa Colása, José Alberto Padrón-Navartab,...Madrid, Spain
To be submitted
to
Special volume “Chromite: Petrogenetic indicator to ore deposits”
Ore Geology...has produced three types of microstructures in
chromite grains from chromitites and enclosing rocks of | 👁 Image
| | Journal (article/letter/editorial) | | has not only made the task of any editor more
complex, but has also made life harder for the reader —...of deformation
and fluid flow in the Shuikoushan district, South China.
Several papers have featured innovative...comparison of
high-Au massive sulfide ores hosted in ophiolite complexes of the Balkan
Peninsula with modern...sequence of the Nurali
massif (Southern Urals, Russia). Ore Geology Reviews 30, 257–276.
Groves, D.I...origin of the Huize carbonate-hosted Zn–Pb–(Ag) District, Yunnan,
South China. Ore Geology Reviews 31, |
|
