 | | Journal (article/letter/editorial) | | Significance to the Genesis of the Hishikari Gold Deposits, Southern Kyushu, Japan Akira IMAI and Tadakazu UTO...Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan [e-mail: akira@eps.s.u-tokyo.ac.jp] Received on...gold-bearing veins from the Hishikari epithermal veintype deposits, southern Kyushu, Japan, were examined. In...common phenomenon in the gold-bearing veins at the Hishikari deposits. The Th (homogenization temperature)...deposits are generally higher than those from the Yamada deposit. Samples that show association of calcite and |  | Takahashi, Ryohei, Tagiri, Ryo, Blamey, Nigel J.F., Imai, Akira, Watanabe, Yasushi, Takeuchi, Akito (2017) Characteristics and Behavior of Hydrothermal Fluids for Gold Mineralization at the Hishikari Deposits, Kyushu, Japan. Resource Geology, 67 (3) 279-299 doi:10.1111/rge.12136 | Journal (article/letter/editorial) | | Fluids for Gold Mineralization at the Hishikari Deposits, Kyushu, Japan Ryohei TAKAHASHI,1 Akito TAKEUCHI4...University, and 4 Sumitomo Metal Mining Co. Ltd., Japan and 3Faculty of Mathematics and Science, Brock University... Canada Abstract The Hishikari gold–silver deposits in southern Kyushu, Japan, are low-sulfidation vein-type...responsible for the gold mineralization of the Hishikari deposits. Quartz vein samples were collected from...-3, -1 (Main deposit), Keisen-2 and Shosen-5 (Sanjin deposit), and Seisen-8 (Yamada deposit) between 70 |  | | Journal (article/letter/editorial) | | Fluid Inclusions in Vein Quartz of the Hishikari Gold Deposits, Japan Akira IMAI*, Hidehiko SHIMAZAKI* and...mineralizing fluids responsible for the Hishikari vein-type epithermal Au deposits was studied on the basis...the thermal water presently venting from the Hishikari deposits and that of local meteoric water. Hydrogen...presently. Thus, a part of ore fluids for the Hishikari deposits is supposed to have been originated from...the Shimanto-Supergroup, a major host to the Hishikari veins range from –132 to –148 ‰. Therefore, the |  | | Journal (article/letter/editorial) | | aggradation or degradation, can profoundly affect deposit evolution, leading to either eventual burial or...metal and metalloid anomalism, consequences for deposit-scale evolution, and preservation potential. Finally...unambiguously. Summary characteristics of epithermal deposit types Epithermal type High-sulfidation (HS) ...Silicification, quartz-adulariaillite Quartz, chalcedony, adularia Sulfide abundance Sulfidation-state...Enargite/luzonite/famatinite Typical metal signature Au-Ag-Cu ± Bi ± Te Main proximal alteration types |  | Leary, Stephen, Sillitoe, Richard H., Stewart, Peter W., Roa, Karl J., Nicolson, Benjamin E. (2016) Discovery, Geology, and Origin of the Fruta del Norte Epithermal Gold-Silver Deposit, Southeastern Ecuador. Economic Geology, 111 (5) 1043-1072 doi:10.2113/econgeo.111.5.1043 | Journal (article/letter/editorial) | | of the Fruta del Norte Epithermal Gold-Silver Deposit, Southeastern Ecuador* Stephen Leary,1 Richard...extraordinarily well preserved epithermal gold-silver deposit located in the remote Cordillera del Cóndor mountain...indicated resource grade of 9.59 g/t Au and 12.9 g/t Ag. The deposit was discovered in early 2006 during...magmatic arc during the Middle to Late Jurassic. The deposit is located near the northeastern extremity of the...to the Chapiza Formation. The Fruta del Norte deposit consists of a 1.3-km-long and up to >300-m-wide |  | | Report (volume) | | eine ETE 197 High-Suifidation Epithermal Gold Deposit at Klokoc-Podpolom UeaSIopitee® ZAmoveay anid...an eae eer 213 Mineralizations at the Rozalia Mine, HodruSa WU cia ORK oderay UPrcicn oa Saly, and...eysvcstrinsiaspenesiarenoc Low-Sulfidation Epithermal Gold Deposit at Kremnica TEE OX UP DOTIGISIN oan atnias val...the gold production of Europe originated from the Au-Ag-base metal deposits of the Carpathians. Between...silver. Most of this production came from the Te-rich Au-Ag deposits of the ‘Gold Quadrangle’ in the Apuseni |
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