Copper deposits of the Nizina district, Alaska

کتاب «Copper deposits of the Nizina district, Alaska» در حوزه «زمین‌شناسی، اکتشاف و معدن‌کاری مس» به «اکتشاف و کانی‌سازی مس» می‌پردازد. مباحث اصلی آن شامل هدف‌گذاری اکتشاف و مدل کانسار است. برای تفسیر کانسار، هدف‌گذاری اکتشاف، ارزیابی ذخیره و تصمیم‌گیری زمین‌شناسی کاربرد دارد.

The host rocks of the copper deposits are the Nikolai greenstone, consisting of altered basaltic lava flows of Permian and Triassic (?) age, and the overlying Chitistone limestone, consisting of massive thick-bedded limestone of Upper Triassic age. Chalcocite is the principal copper mineral in most of the deposits in limestone, and bornite and chalcocite are the principal copper minerals in the deposits in greenstone. In this report 7 mines and about 13 prospects, comprising nearly all of the known copper deposits of the district, are described briefly.