Gold ore. Fortitude and Surprise, Battle Mountain Gold Company. Lander, NV . reserves and resources are contained in copper, lead, and zinc deposits. Ores in . Several processes may be used to recover gold and silver from their ores.
Gold, Silver and Bronze Where do these metals come from .
Gold, Silver and Bronze Where do these metals come from? . Figure 2: Five year trend of gold production for major producers. . mined from lode and placer deposits and is often co mined with gold and suphide ores (copper, lead and zinc).
Copper extraction refers to the methods used to obtaining copper from its ores. The conversion of copper consists of a series of chemical, physical, and electrochemical processes. Methods have evolved and vary with country depending on the ore source, Because a large portion of copper sulfide ore bodies contain silver or gold in.