岡山県三石町台山・兄坂周辺部におけるろう石鉱床の賦存状態について : とくに試錐調査結果による考察

廣島大學地學研究報告 Issue 14 Page 215-232 published_at 1965-02-22
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Title ( jpn )
岡山県三石町台山・兄坂周辺部におけるろう石鉱床の賦存状態について : とくに試錐調査結果による考察
Title ( eng )
On the Features of the Rōseki Deposits in Daiyama, Anizaka and their vicinities, Mitsuishi-Chō, Okayama Prefecture: With Special Reference to the Consideration on the Data of the Boring Survey
Creator
ŌMORI Naoyasu
Source Title
廣島大學地學研究報告
Geological report of the Hiroshima University
Issue 14
Start Page 215
End Page 232
Abstract
In Daiyama, Anizaka and their vicinities, rhyolitic tuffs intercalated with one or two tuffaceous shale beds are widely distributed and therein are comprised bulk of Rōseki deposits.
As the result of studying the data of the boring survey, have been revealed the following facts:
(1) The main parts of deposits are mainly composed of pyrophyllite and quartz (partly plus kaolin, diaspore etc.), and the surrounding parts are mainly composed of sericite and quartz.
(2) Covering the main deposits remarkably silicified zones are found always, distributions of which are limited under the upper-most horizon of tuffaceous shale beds.
Descriptions
今村外治教授退官記念特集号
Language
jpn
Resource Type departmental bulletin paper
Publisher
廣島大學理學部地學教室
Date of Issued 1965-02-22
Publish Type Version of Record
Access Rights open access
Source Identifier
[ISSN] 0073-2303
[NCID] AN00213676