Grain growth-control of chemical equilibration in fluid-bearing rocks: implications from Ni incorporation into synthesized dunite
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- Nakamura Michihiko
- Tohoku Uni.Sci.
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- Ohuchi Tomohiro
- Tohoku Uni.Sci.
Bibliographic Information
- Other Title
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- 岩石流体系における化学平衡過程の粒成長支配
Abstract
Mechanism of Ni incorporation into dunite has been studied in order to simulate the compatible elements behavior in fluid-bearing rocks. Fe-free dunites were synthesized from gel powders using a piston cylinder apparatus. The gel powders were put into Pt-lined Ni capsules with water. As the run proceeded, Ni penetrated Pt liner all the way through and infiltrated into dunite in which forsterite grains were continuously growing. The sweeping of the grain boundaries that are enriched in Ni by grain boundary diffusion and surface equilibration should be responsible for more effective Ni - Mg exchange flux between fluid and olivine than by inter-diffusion from the stationary grain boundaries.
Journal
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- Abstracts of Papers Presented at the Annual Meeting of The Japanese Association of Mineralogists, Petrologists and Economic Geologists
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Abstracts of Papers Presented at the Annual Meeting of The Japanese Association of Mineralogists, Petrologists and Economic Geologists 2005 (0), 37-37, 2005
Japan Association of Mineralogical Sciences
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Details 詳細情報について
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- CRID
- 1390001205591362048
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- NII Article ID
- 130005019855
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- Text Lang
- ja
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed