鹿児島県大口鉱山の金鉱床に伴う粘土鉱物

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書誌事項

タイトル別名
  • Clay minerals associated with the gold ore deposits of the Okuchi mine, Kagoshima Prefecture
  • カゴシマケン オオグチ コウザン ノ キンコウショウ ニ トモナウ ネンド コウブツ

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説明

Ore deposits of the Okuchi mine are epithermal gold-and silver-bearing quartz veins in chloritized two-pyroxene andesite in the Tertiary volcanic formation. Three montmorillonite specimens, one halloysite, and one sericite, collected in the mine, were examined in some detail by X-ray, differential thermal, and chemical analyses, and infra-red spectra. Although kaolin minerals are common in the Japanese gold ore deposits, in this mine montmorillonite and sericite are predominant.

収録刊行物

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