What are the main methods of mining? . American Geosciences .
(Webpage), New Mexico Bureau of Geology & Mineral Resources Webpage describing the three main methods used to mine uranium: open pit, underground, and in situ leaching. What is Placer Gold Mining? (Webpage), National Park Service Webpage describing the process and history of placer mining for gold.
Underground mining (hard rock) Wikipedia
Cut and fill mining is a method of short hole mining used in steeply dipping or irregular ore zones, in particular where the hanging wall limits the use of long hole methods. The ore is mined in horizontal or slightly inclined slices, and then filled with waste rock, sand or tailings. Either fill.Get Price