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isocubanite

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Journal Article

SYNTHETIC CUBANITE CuFe 2 S 3 : PRESSURE-INDUCED TRANSFORMATION TO ISOCUBANITE

Usha Chandra, G. Parthasarathy, Pooja Sharma
Published: 01 October 2010
The Canadian Mineralogist (2010) 48 (5): 1137–1147.
DOI: https://doi.org/10.3749/canmin.48.5.1137
... conditions. The magnetic hyperfine field, a sensitive Mössbauer parameter of the synthetic sample, corresponds to that of orthorhombic cubanite. We report here the pressure-induced transformation of the magnetic sextet (cubanite) to a paramagnetic doublet (isocubanite) at ~4 GPa at room temperature...
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Journal Article

Photochemically accelerated surface-diffusion of silver on chalcopyrite, isocubanite and pyrrhotite

Maria Jeppsson
Published: 01 December 1988
The Canadian Mineralogist (1988) 26 (4): 973–978.
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Photomicrographs in reflected light of veined samples. A) <span class="search-highlight">Isocubanite</span> assoc...

Photomicrographs in reflected light of veined samples. A) Isocubanite assoc...

Published: 01 August 2023
Fig. 4. Photomicrographs in reflected light of veined samples. A) Isocubanite associated with chalcopyrite, pyrrhotite, and Co pentlandite. B) Massive pyrrhotite and isocubanite with interstitial chalcopyrite. Co pentlandite is associated with pyrrhotite. C) Euhedral chrome spinel surrounded
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False-color element maps of veined samples highlighting mineralogical and t...

False-color element maps of veined samples highlighting mineralogical and t...

Published: 01 August 2023
Fig. 5. False-color element maps of veined samples highlighting mineralogical and textural associations. A) Spatial association between pyrrhotite and pentlandite. Isocubanite has a massive texture, while chalcopyrite occurs primarily as veins. Chrome spinel is associated with serpentinite. B
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Microstructure of the sample from zone II. Gray lamellas are <span class="search-highlight">isocubanite</span> i...

Microstructure of the sample from zone II. Gray lamellas are isocubanite i...

Published: 01 November 2019
Fig. 3. Microstructure of the sample from zone II. Gray lamellas are isocubanite icb (CuFe 2 S 3 ), dark gray lamellas are intermediate solid solution iss (~Cu 2 Fe 3 S 5 ), small light gray grains are, probably, pentlandite (Fe,Ni) 9± x S 8± y . White inclusions are impurity phases
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DISTRIBUTION OF MICROPHASES ALONG ZONE II IN <span class="search-highlight">ISOCUBANITE</span> MATRIX

DISTRIBUTION OF MICROPHASES ALONG ZONE II IN ISOCUBANITE MATRIX

Published: 01 March 2016
TABLE 2. DISTRIBUTION OF MICROPHASES ALONG ZONE II IN ISOCUBANITE MATRIX
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CHEMICAL COMPOSITION OF <span class="search-highlight">ISOCUBANITE</span> AND PHASE Y FROM THE ASHADZE HYDROTHERM...

CHEMICAL COMPOSITION OF ISOCUBANITE AND PHASE Y FROM THE ASHADZE HYDROTHERM...

Published: 01 June 2008
TABLE 7. CHEMICAL COMPOSITION OF ISOCUBANITE AND PHASE Y FROM THE ASHADZE HYDROTHERMAL FIELD
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Photomicrographs of sulfides from Fe-rich sulfide samples. (A, B) Euhedral ...

Photomicrographs of sulfides from Fe-rich sulfide samples. (A, B) Euhedral ...

Published: 01 September 2024
light). (D, E) Chalcopyrite displaying exsolution lamellae of isocubanite (reflected light). (F-I) Abundant native gold as tiny nanoparticles within Py1 or at the transition zone between Py1 and Py2 (backscattered electron image). Abbreviations: Au = native gold, Ccp = chalcopyrite, Iso = isocubanite
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Photomicrographs of minerals of the Semenov-2 massive sulfides. a. Isocuban...

Photomicrographs of minerals of the Semenov-2 massive sulfides. a. Isocuban...

Published: 01 June 2017
Fig. 3. Photomicrographs of minerals of the Semenov-2 massive sulfides. a. Isocubanite (ic) replaced by chalcopyrite (cpy) from the periphery and overgrown by Zn sulfides (sp) with inclusions of native gold (au). b. Veinlet of marcasite (mc), which cuts the isocubanite-chalcopyrite (ic + cpy
Journal Article

Nickel-copper sulfides from the 1959 eruption of Kilauea Volcano, Hawaii: Contrasting compositions and phase relations in eruption pumice and Kilauea Iki lava lake

William E. Stone, Michael E. Fleet
Published: 01 August 1991
American Mineralogist (1991) 76 (7-8): 1363–1372.
... inclusions within olivine phenocrysts and in glass within quenched groundmass. The proportion of blebs present within the volume of a thin section and within individual olivine grains is widely variable. Sulfide minerals present in the eruption pumice include monosulfide solid solution (mss), isocubanite...
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Photomicrographs of sulfides from Zn-rich sulfide samples. (A, B) Porous Py...

Photomicrographs of sulfides from Zn-rich sulfide samples. (A, B) Porous Py...

Published: 01 September 2024
) Chalcopyrite showing typical exsolution lamellae of isocubanite (reflected light). (F) Fine-grained sphalerite enclosed by coarse-grained sphalerite. (G-J) Porous Py1 contains multiple nanoparticles of native gold (backscattered electron image). (K) Anhydrite and barite occur in Zn-rich sulfide samples
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Backscattered electron images illustrating textural relationships between s...

Backscattered electron images illustrating textural relationships between s...

Published: 01 September 2005
F ig . 3. Backscattered electron images illustrating textural relationships between sulfarsenides, arsenides, galena, bismuth, and gold minerals in pyrrhotite-rich massive sulfide samples. A. Fine-grained mixture of sulfarsenides and arsenides superimposed on coarser grained isocubanite (iso
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Forms and associations of pyrite and marcasite in samples from St. 1008 (a–...

Forms and associations of pyrite and marcasite in samples from St. 1008 (a–...

Published: 01 June 2008
of radial-fibrous aggregate of Mg silicate (dark gray). (c) Box-like pyrite pseudomorph after platy pyrrhotite crystals; white irregular grains: isocubanite ( Table 7 ). (d) Pseudomorph of pyrite after hexagonal crystal of pyrrhotite with small inclusions (white) of isocubanite and phase Y ( Table 7 ). (e
Journal Article

MINERALOGY OF MASSIVE SULFIDES FROM THE ASHADZE HYDROTHERMAL FIELD, 13°N, MID-ATLANTIC RIDGE

Nadezhda N. Mozgova, Nikolay V. Trubkin, Yuri S. Borodaev, Georgy A. Cherkashev, Tamara V. Stepanova, Tatiana A. Semkova, Tatiana Yu. Uspenskaya
Published: 01 June 2008
The Canadian Mineralogist (2008) 46 (3): 545–567.
DOI: https://doi.org/10.3749/canmin.46.3.545
...TABLE 7. CHEMICAL COMPOSITION OF ISOCUBANITE AND PHASE Y FROM THE ASHADZE HYDROTHERMAL FIELD ...
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Microstructure of zone I. a , Matrix of low-temperature monosulfide solid ...

Microstructure of zone I. a , Matrix of low-temperature monosulfide solid ...

Published: 01 November 2019
Fig. 2. Microstructure of zone I. a , Matrix of low-temperature monosulfide solid solution ( mss ) with lamellar inclusions the average composition of which corresponds to nonstoichiometric isocubanite (Cu 18.4±0.3 Fe 30.7±0.3 Ni 0.3±0.05 S 50.6±0.1 , icb *); b, icb* lamellas are formed from
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Photomicrographs in reflected light of massive sulfide samples. A) Magnetit...

Photomicrographs in reflected light of massive sulfide samples. A) Magnetit...

Published: 01 August 2023
Fig. 3. Photomicrographs in reflected light of massive sulfide samples. A) Magnetite-bearing breccia zone in pyrrhotite. B) Ductile deformation in pyrrhotite exhibiting a fingerprint texture with minor magnetite. C) Chalcopyrite with lamella of isocubanite and pyrrhotite. D) Euhedral chrome
Journal Article

Behavior of Pt, Pd, and Au During Crystallization of Cu-rich Magmatic Sulfide Minerals

Elena Sinyakova, Victor Kosyakov, Vadim Distler, Nikolay Karmanov
Published: 01 March 2016
The Canadian Mineralogist (2016) 54 (2): 491–509.
DOI: https://doi.org/10.3749/canmin.1500015
...TABLE 2. DISTRIBUTION OF MICROPHASES ALONG ZONE II IN ISOCUBANITE MATRIX ...
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Ultramafic-Hosted Ni-Cu-Co-(As) Mineralization from an Ancient Oceanic Transform Fault Zone in the Troodos Ophiolite, Cyprus: An Analogue for Ultramafic Sea-Floor Massive Sulfide Mineralization?

Andrew J. Martin, Christopher J. MacLeod, Katie A. McFall, Iain McDonald, John W. Jamieson, Sophie Cox
Journal: Economic Geology
Published: 01 August 2023
Economic Geology (2023) 118 (5): 1125–1147.
DOI: https://doi.org/10.5382/econgeo.4996
...Fig. 4. Photomicrographs in reflected light of veined samples. A) Isocubanite associated with chalcopyrite, pyrrhotite, and Co pentlandite. B) Massive pyrrhotite and isocubanite with interstitial chalcopyrite. Co pentlandite is associated with pyrrhotite. C) Euhedral chrome spinel surrounded...
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MICROPHASES IN THE FORM OF MONOPHASE GRAINS (A), INTERGROWTHS (B), AND INCL...

MICROPHASES IN THE FORM OF MONOPHASE GRAINS (A), INTERGROWTHS (B), AND INCL...

Published: 01 March 2016
TABLE 3. MICROPHASES IN THE FORM OF MONOPHASE GRAINS (A), INTERGROWTHS (B), AND INCLUSIONS (C) IN ISOCUBANITE MATRIX
Journal Article

Mineralogy and chemistry of massive sulfides from the Logatchev hydrothermal field (14 degrees 45'N Mid-Atlantic Ridge)

Nadezhda N. Mozgova, Andrey Efimov, Yury S. Borodaev, Sergey G. Krasnov, Georgy A. Cherkashov, Tamara V. Stepanova, Alexander M. Ashadze
Published: 01 October 1999
Exploration and Mining Geology (1999) 8 (3-4): 379–395.
... in the Logatchev hydrothermal field (14 degrees 45'N Mid-Atlantic Ridge). The major minerals are pyrite, chalcopyrite, bornite, isocubanite, digenite and chalcocite. Zn-sulfide, marcasite and covellite are less abundant. Rare minerals are native copper, zincian copper and cobalt pentlandite (first found in oceanic...
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