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Inferring origin of mercury inclusions in quartz by multifractal analysis
http://hdl.handle.net/2241/00124358
http://hdl.handle.net/2241/0012435841e7516e-848c-4c8a-bdd2-ba1f413aae7a
名前 / ファイル | ライセンス | アクション |
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NPG_22-47 (163.1 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2015-04-22 | |||||
タイトル | ||||||
タイトル | Inferring origin of mercury inclusions in quartz by multifractal analysis | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Shibata, T.
× Shibata, T.× Maruoka, T.× Echigo, T. |
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著者別名 |
丸岡, 照幸
× 丸岡, 照幸 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In order to refine our understanding of how fluid inclusions were trapped in the host minerals, we non-destructively observed mercury inclusions (liquid Hg0) in quartz samples using X-ray computed tomography (CT) technique. The X-ray CT apparatus can observe internal structures of the samples and give cross-sectional images from the transmission of the X-rays through the samples. From the cross-sectional images, we obtained three-dimensional spatial distributions of mercury inclusions, and quantitatively analyzed them using fractal and multifractal methods. Although the samples were from different geological settings, the resultant fractal dimensions were 1.70 and 1.71 for the San Benito and Itomuka samples, respectively. The fractal dimensions were also close to those predicted by diffusion-limited aggregation models and percolation theory, which are controlled by the irreversible kinetics. Given the fractal dimension and its implied mechanism, we conclude that the mercury-bearing fluids were not primary fluid inclusions, but migrated into the pre-existing cracks of quartz crystals by diffusion processes. | |||||
書誌情報 |
Nonlinear Processes in Geophysics 巻 22, p. 47-52, 発行日 2015-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1023-5809 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.5194/npg-22-47-2015 | |||||
権利 | ||||||
権利情報 | © Author(s) 2015. CC Attribution 3.0 License. | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版者 | ||||||
出版者 | Copernicus Publications on behalf of the European Geosciences Union&the American Geophysical Union |