Gold Mineralization at the Forecast Hydrothermal Field in Southern Mariana Trough

Title
Gold Mineralization at the Forecast Hydrothermal Field in Southern Mariana Trough
Author(s)
최선기; 박상준; 박정우; 최상훈; 김종욱
KIOST Author(s)
Choi, Sun Ki(최선기)Pak, Sang Joon(박상준)Kim, Jonguk(김종욱)
Publication Year
2019-08-22
Abstract
Gold-rich (up to 72.6 ppm) massive sulfide and hydrothermally altered host rock were collected by remotely operated vehicle, HAEMIRE, from the Forecast hydrothermal field in Southern Mariana Trough. Gold-rich massive sulfide is featured by Zn-rich (up to 51.1 wt.%) ore, mainly composed of sphalerite, pyrite, chalcopyrite and galena with tennantite and electrum as minor minerals. The altered host rock can be subdivided into sulfide-rich part and altered silicate part. The sulfide-rich part is mainly composed of sphalerite and pyrite with minor chalcopyrite while XRD examination shows that montmorillonite ± anorthite are predominant in the altered silicate part.
The FeS contents in sphalerite represent a decreasing trend as mineralization advanced (6.5
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/22422
Bibliographic Citation
Goldschmidt 2019, pp.1, 2019
Publisher
Geochemical Society
Type
Conference
Language
English
Publisher
Geochemical Society
Related Researcher
Research Interests

Economic geology,Geochemistry,Resource geology,광상학,지구화학,자원지질학

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