کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4696880 1637228 2016 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
The world-class Wona-Kona gold deposit, Burkina Faso
ترجمه فارسی عنوان
ذخایر طلای در سطح جهانی Wona-Kona، بورکینا فاسو
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات زمین شناسی اقتصادی
چکیده انگلیسی


• A world-class orogenic gold deposit in the Paleoproterozoic Baoulé-Mossi domain of the West African Craton
• Structurally controlled continuous gold mineralization over 5 km-long
• Polycyclic deformation events resulting in multiple mineralized episodes
• Large hydrothermal alteration halo extending more than 50 m away from gold mineralization

The world-class > 4 Moz Wona-Kona gold deposit is hosted within the Paleoproterozoic Birimian Houndé greenstone belt which is the most important gold mineralized belt in the western part of Burkina Faso, with a cumulative reserve of ~ 11 Moz. The mineralization consists of a pervasive silicification with disseminated pyrite–arsenopyrite crosscut by quartz–carbonate veinlets (1 to 10 cm wide) forming a vertical, thick (up to 40 m) and laterally extensive (5 km) northeast trending orebody hosted within a large (200 m wide) shear zone of regional extent. Gold occurs in association with 3 generations of pyrite and 2 generations of arsenopyrite. Free gold, interpreted as the last mineralizing event, occurs as late fracture filling in the pervasive silicification zone.

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ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ore Geology Reviews - Volume 78, October 2016, Pages 667–672
نویسندگان
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