JaLCDOI 10.18926/ESR/13933
Title Alternative Sulfur isotope ratios of some Roseki deposits in the Inner Zone of Southwest Japan
FullText URL ESR_3_43.pdf
Author Yamamoto, Masahiro| Matsuda, Toshihiko| Nakagawa, Raiki|
Abstract Sulfur isotope ratios of pyrite and alunite from 5 Roseki deposits in the Inner Zone of Southwest Japan were determined. The δ34S values of all pyrite samples were in the range from -13.2 to +2.3%, the variation range for each deposit being within 8%. In each deposit δ34S values of alunite were always higher than those of pyrite, which may be interpreted as that alunite was precipirated under more oxidizing conditions than pyrite. Sulfur isotope rations of the Roseki pyrite showed a distribution similar to that of ore sulfur from skarn and vein deposits in the same Zone. This suggests that the origin of sulfur of the Roseki deposits is also host igneous rocks.
Keywords sulfur isotope ratio Roseki deposit pyrite alunite
Publication Title Okayama University Earth Science Report
Published Date 1996-09-20
Volume volume3
Issue issue1
Start Page 43
End Page 46
ISSN 1340-7414
language 日本語
Copyright Holders 岡山大学地球科学研究報告編集委員会
File Version publisher
NAID 120002310309