Alternative Gold Leaching Methods
January 2014 by Chris RalphThe ideal leaching chemical would leave behind what we don't want or need in the ore and take only the valuable metals.
Silver refining has been used from ancient times to change the characteristics of the metal. Early metallurgists refined silver by heating it a couple hundred degrees above its melting point and holding the metal at an elevated temperature for a period of time.
Exposed veins and outcroppings can be a great source for gathering good gold ore for processing. Veins and outcroppings do require a lot of work to free the ore from its earthen grip, but this labor can be very rewarding.
Q: I am looking for a “trommel machine” that doesn’t separate anything but clay slurry from rock hard clay.
Some claim they can smell gold. This may be, but when I take a whiff of gold, I smell dirt, rotten eggs, garlic or just nothing: my nose is everything but sensitive.
...your sampling procedures should not be designed to catch gold your mining technique will never recover.
• How do I clean up gold encrusted with iron-sulfides?
• How small should I crush my hard rock ore?
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