- PII
- S30345065S2686739725020099-1
- DOI
- 10.7868/S3034506525020099
- Publication type
- Article
- Status
- Published
- Authors
- Volume/ Edition
- Volume 520 / Issue number 2
- Pages
- 257-264
- Abstract
- The samples of monosulfide solid solution (Mss) based on α-NiS and FeS were obtained at P = 7.0 GPa and T = 900-1500°C with previously synthesized sulfide compounds by solid-phase method at T = 400-600°C. The structural and textural characteristics of the samples were identified and the unit cell parameters of the investigated sulfides were determined. Based on the revealed features and chemical compositions a fragment of the phase diagram in the Fe-Ni-S system with the assumed solidus and liquidus lines was constructed. According to the obtained results, in the studied range of compositions a continuous series of solid solutions of minerals (Mss) is formed. The evolution of the composition of monosulfide solid solution and corresponding sulfide melt under diamond formation conditions as a function of temperature change was traced. We have preliminary estimated the maximum Ni content in sulfide melts (up to 58 wt. %), which may crystallize the minerals found in inclusions in natural diamonds of the peridotite association.
- Keywords
- фазовые отношения сульфиды включения в алмазах высокие давления и температуры эксперимент
- Date of publication
- 28.12.2025
- Year of publication
- 2025
- Number of purchasers
- 0
- Views
- 59
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