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Role of Halogen Elements on the Panguna Porphyry Copper Mineralization, Bougainville, Papua New Guinea
http://hdl.handle.net/10232/15551
http://hdl.handle.net/10232/155516beb8467-adab-4bba-839a-1e8635b77a28
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
AN10088628_v11-1_P23-36.pdf (3.5 MB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||
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| 公開日 | 2013-01-22 | |||||
| タイトル | ||||||
| タイトル | Role of Halogen Elements on the Panguna Porphyry Copper Mineralization, Bougainville, Papua New Guinea | |||||
| タイトル言語 | en | |||||
| 著者 |
根建, 心具
× 根建, 心具× 円城寺, 守× 山本, 温彦× Malagun, Salam× 田口, 幸洋× 志賀, 美英× 東, 正治× Manser, Warren |
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| 言語 | ||||||
| 言語 | eng | |||||
| キーワード | ||||||
| 主題言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Chlorine | |||||
| キーワード | ||||||
| 主題言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Fluorine | |||||
| キーワード | ||||||
| 主題言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Panguna deposit | |||||
| キーワード | ||||||
| 主題言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Mineralization | |||||
| キーワード | ||||||
| 主題言語 | en | |||||
| 主題Scheme | Other | |||||
| 主題 | Papua New Guinea | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | journal article | |||||
| 要約 | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | Chemical compositions were measured on the apatite and biotite of magmatic and hydrothermal origin from the Panguna porphyry copper deposit, Papua New Guinea. The magmatic apatite and biotite in the intrusives which predated the mineralization were characterized by a high Cl/OH ratio. The Cl/OH ratios of the earlier hydrothermal minerals (biotitization and early veining stages) were almost as high as in the magmatic stage. The fHCl/fH_2O ratios of the magmatic and early hydrothermal stages were rather high, compared with other mining areas in the island arcs. The apatites showed the effect of chemical exchange during the mineralization and/or later hydrothermal stage. There were two exchanging processes; Cl leaching in the surrounding potassic alteration zone (high Cu precipitation zone), and F additional process in the central chlorite-sericite-clay alteration zone (low Cu zone). The apatite and biotite in the Biuro Granodiorite which postdated mineralization were relatively poor in Cl and F. The chemical compositions and paragenesis of the hydrous minerals suggest the following process of mineralization. A Cl rich fluid emanating from Cl rich magma and carrying base metals precipitated Cl rich hydrous minerals. The meteoric water mixed with this magmatic fluid in the surrounding potassic zone, and precipitated ore minerals from magmatic fluid. The meteoric water which entered into the central zone lost the ability to precipitate ore minerals by mixing with the magmatic fluid in the surrounding potassic zone. The central chlorite-sericite-clay zone was enriched in F by the fluid from a more differentiated magma. |
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| 内容記述言語 | en | |||||
| 収録雑誌名 |
ja : 南太平洋研究 en : South Pacific Study 巻 11, 号 1, p. 23-36, 発行日 1990-12-20 |
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| 作成日 | ||||||
| 日付 | 1990-12-20 | |||||
| 日付タイプ | Issued | |||||
| ISSN | ||||||
| 収録物識別子タイプ | PISSN | |||||
| ISSN | 09160752 | |||||
| NII書誌ID（雑誌） | ||||||
| 収録物識別子タイプ | NCID | |||||
| NC ID | AN10088628 | |||||
| 出版タイプ | ||||||
| 出版タイプ | VoR | |||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
| NDC | ||||||
| 主題Scheme | NDC | |||||
| 主題 | 450 | |||||
| 公開者・出版者 | ||||||
| 出版者 | 鹿児島大学 | |||||
| 出版者言語 | ja | |||||
| 公開者・出版者 | ||||||
| 出版者 | Kagoshima University | |||||
| 出版者言語 | en | |||||
