Small Mining Operations
Underground Mining: Getting the Ore Out
February 2017 by Chris Ralph
Choosing the right method to move your ore and waste is all about making the right choices. Sometimes more than one method may be used during the life of a mine as an operation expands and grows.
Ask the Experts
Setting up a gravity dredge
Resurrecting An Old Hard Rock Mine—A Series of Small Victories
…we cheered and high-fived each other as the ore cart slowly crested the top of the headframe, then picked up a bit of speed on the short downhill section and came to an abrupt halt, ejecting its contents of ore…
Mining Pegmatite Deposits
With successively lower temperatures as the water mixture cools, new sets of minerals are formed and many of those stable at a higher degree of heat became subject to alteration as the temperature progressively moved lower.
Gold in Tertiary Gravels
In some places, semi-continuous sections of riverbed can easily be linked in many places to identify the path of the ancient rivers.
Bering Sea Gold—Part I
The popularity of the new Discovery Channel series Bering Sea Gold has peaked interest in what gold resources are offshore of Nome, Alaska. The Cape Nome mining district is world famous...
Refractory Gold Processing
After your excitement peaks when you first receive the high gold assay from the vein you just exposed, you ponder how you will extract and sell your gold. You will need to develop a flow sheet for your process to optimize your recovery and minimize your costs and permit requirements.
Reminder: Annual Claim Filings Due
Please note that new mining claims filed on or after September 1, 2019, will be subject to the new fee schedule.
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• Detecting Alluvial Bench Deposits
• From Vietnam to Wedding Bands
• Trade-Ins, Swaps and Like-Kind Exchanges
• Melman on Gold & Silver
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