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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 |
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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 | |||||
著者 |
NEDACHI, Munetomo
× NEDACHI, Munetomo× ENJOJI, Mamoru× YAMAMOTO, Masahiko× MALAGUN, Salam× TAGUCHI, Sachihiro× SHIGA, Yoshihide× HIGASHI, Shoji× MANSER, Warren |
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著者よみ | ||||||
姓名 | ネダチ, ムネトモ | |||||
著者よみ | ||||||
姓名 | エンジョウジ, マモル | |||||
著者よみ | ||||||
姓名 | ヤマモト, マサヒコ | |||||
著者よみ | ||||||
姓名 | タグチ, サチヒロ | |||||
著者よみ | ||||||
姓名 | シガ, ヨシヒデ | |||||
著者よみ | ||||||
姓名 | ヒガシ, ショウジ | |||||
別言語の著者 | ||||||
姓名 | 根建, 心具 | |||||
別言語の著者 | ||||||
姓名 | 円城寺, 守 | |||||
別言語の著者 | ||||||
姓名 | 山本, 温彦 | |||||
別言語の著者 | ||||||
姓名 | 田口, 幸洋 | |||||
別言語の著者 | ||||||
姓名 | 志賀, 美英 | |||||
別言語の著者 | ||||||
姓名 | 東, 正治 | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Chlorine | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Fluorine | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Panguna deposit | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Mineralization | |||||
キーワード | ||||||
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(Abstract) | ||||||
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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収録雑誌名 |
南太平洋研究=South Pacific Study 巻 11, 号 1, p. 23-36 |
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作成日 | ||||||
日付 | 1990-12-20 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
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 | |||||
公開者よみ | ||||||
公開者よみ | カゴシマ ダイガク | |||||
公開者別名 | ||||||
公開者別名 | Kagoshima University |