How To
Alternative Gold Leaching Methods
January 2014 by Chris Ralph
The ideal leaching chemical would leave behind what we don't want or need in the ore and take only the valuable metals.
Pocket Gold
Once a seam is found it can be traced for miles in either direction. While you are tracing a clay line, you are looking for indicators. The indicators that I look for are ironstone, hematite, different color clays intermingled with the clay line, and a very iron-rich, brown gritty soil.
A Data Miner Builds A Power Sluice
Data mining involves processing huge amounts of digital information to find hidden patterns and financial relationships. To executives, the findings are like gold, but on the weekends, I prefer seeing the real thing in the bottom of my pan.
Exploring Placers with Auger Drills
Augers can be used effectively for placer exploration with certain limitations.
Pumping Water With Solar Power
Solar energy can be used for any size placer or hard rock mining operation. It is most practical for small and longer-term operations provided your mine is not located in a dense forest.
Proper Spacing of Placer Sample Sites
The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.
Online Mining Classes Now Available at Mackay
The University of Nevada, Reno Mackay School of Earth Sciences and Engineering, Department of Mining Engineering has begun offering online courses for miners.
Ask The Experts: How do I identify gold in hard rock that may be mixed with other metals?
Q: Aside from the softness scratch test and other methods of identification, what feedback would you have on identifying gold in hard rock that may be mixed with other metals that affect its color?
Subscription Required:
The Bawl Mill
• Ask the Experts: Big rocks or small cobbles?
• Ask the Experts: Quartz rock and the chance of gold in my area of New Hampshire?
• Ask the Experts: Equipment and gold locations in Colorado
• Ask the Experts: Silent partners and mining—is it worth the risk?
• Sierra County Gold—Part II
• The Silver Islet Mountains of Utah
• Gold Placers of the Kenai Peninsula, Alaska
• Over the Divide
• Prospecting for Diamonds in Kimberlite
• Additional Note Regarding "Strategic Metals—Part II"
• Take a Kid Detecting
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
Legislative and Regulatory Update
• California Gold Adventure







