Mineralogical Notes on Some Opal and Cristobalite of Japan

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概要

• 論文の詳細を見る

• (1) The writer studied the mineralogical properties of opal and opal-like mineral found in some clays and altered volcanic rocks in Japan and found that some of these minerals show the mineralogical properties of cristobalite., (2) From this, it is reasonably infered that in some cases there is an intimate relation between opal and cristobalite and that cristobalite is formed as a secondary mineral

• 日本地質学会の論文
• 1950-08-05

著者

• Sudo Toshio

  Geological And Mineralogical Institute Faculty Of Science Tokyo University Of Education

• Sudo Toshio

  Geological Institute Faculty Of Science Tokyo University

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• 1969 INTERNATIONAL CLAY CONFERENCE, TOKYO
• MINERALOGICAL STUDY ON THE CLAY RICH IN CHLORITE ASSOCIATED WITH THE GYPSUM DEPOSIT OF THE IWAMI MINE. SHIMANE PREFECTURE
• Mineralogical Notes on Some Opal and Cristobalite of Japan

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