پاورپوینت کانسار طلای کارلین - دانلود رایگان
دانلود رایگان
دانلود رایگان لینک دانلود و خرید پایین توضیحاتدسته بندی : پاورپوینتنوع فایل : powerpoint (..ppt) ( قابل ويرايش و آماده پرينت )تعداد اسلاید : 49 اسلاید قسمتی از متن powerpoint (..ppt) : بنام خدا کانسار طلای کارلین Carlin Mine Carlin-type Au Deposits Discovery of the Carlin gold deposit in the Tuscarora Mountains north of Carlin, Nevada in 1962. In the years following its discovery, deposits with similar mineralogy, host rocks, and trace elements to Carlin have become known as ‘Carlin-type deposits’. Carbonate-replacement gold deposits associated with alkaline igneous intrusions similar in many, but not all, respects to the Carlin-type are termed ‘Carlin-like’ deposits. Mostly located in Nevada, Utah, Idaho, California, and China. Grade varies from 1 to 14 ppm gold and Hg and Ag are often by-products. SYNONYMS: Carlin-type gold, sediment-hosted micron gold, siliceous limestone replacement gold , invisible gold