| Juliani, Caetano, Rodrigues de Assis, Rafael, VirgĂnia Soares Monteiro, Lena, Marcello Dias Fernandes, Carlos, Eduardo Zimmermann da Silva Martins, JosĂ©, Ricardo Costa e Costa, Jhoseph (2021) Gold in Paleoproterozoic (2.1 to 1.77 Ga) Continental Magmatic Arcs at the TapajĂłs and Juruena Mineral Provinces (Amazonian Craton, Brazil): A New Frontier for the Exploration of Epithermal–Porphyry and Related Deposits. Minerals, 11 (7) 714 doi:10.3390/min11070714 | Journal (article/letter/editorial) | the gold (and base metal) mineralization in the south Amazonian Craton to support the mineral exploration...Carajás Mineral Province. In the TapajĂłs and Juruena mineral provinces, located at the south part of the...alteration zones typically have adularia and illite or sericite. Chalcopyrite, sphalerite, galena, pyrite, digenite...alterations grading to propylitic, muscovite-sericite, chlorite–sericite, and chlorite alterations. Potassic alteration...mineralization, and gold-rich zones occur in muscovite/sericite–quartz–pyrite alteration. The Paleoproterozoic | | Wang, Yinzhi, Wang, Fei, Wu, Lin, Shi, Wenbei, Yang, Liekun (2018) (U-Th)/He thermochronology of metallic ore deposits in the Liaodong Peninsula: Implications for orefield evolution in northeast China. Ore Geology Reviews, 92. 348-365 doi:10.1016/j.oregeorev.2017.11.025 | Journal (article/letter/editorial) | peninsulas are located on the eastern margin of the North China Craton adjacent to the western margin of the...intracontinental rift that developed within the Archean North China Craton via crustal extension, rapid subsidence...approximately 30 km west of Dandong in Liaoning Province, is a large, quartz vein-type gold deposit, and...electrum; the gangue minerals are dominated by quartz, sericite, chlorite, calcite and fluorite. Silicification...time and tectonic setting of the Jiaodong gold province, Eastern China. Acta Petrologica Sinica 20 (4) | | | Report (chapter) | Auriferous quartz (+carbonate) veins in the El-Sid mine cut through the western margin of the Fawakhir granitic...2000; Klemm et al. 2001; Botros 2004). The El-Sid mine is located in the central block of the Eastern Desert...(Neubauer 1962). Between 1940 and 1955, the El-Sid mine yielded 100 000 oz Au from 120 000 t of ore (Kochine...metabasalt and granodiorite in the southern part of the mine area. Eightyfour grab samples gave gold values that...chip/ channel sample assaying program at the El-Sid mine area and estimated c. 80 Mt ore at 1.73 ppm Au along |
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