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.
So You Want To Be A Full-Time Prospector?
The high price of gold and the poor economic conditions here in the US have created an unusual situation—a large number of folks are thinking seriously about getting into prospecting and digging for gold on a full-time basis.
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.
Making A Big Discovery
We sent them a lot of information, including my presentation about the area and its potential. We were excited to learn a couple weeks later that the company was interested in the property.
How to Interpret Assay Values
This assay system of ounces per ton sounds simple enough, but the use of the metric system and the additional measuring terms of “grams per ton” and “parts per million” (ppm) has created some misunderstanding of ore value.
Prospecting for Diamonds in Kimberlite
Kimberlite is very difficult for geologists to find, let alone prospectors and rock hounds. This is because kimberlite is rarely exposed on the surface and few people know how to identify the rock.
Ask the Experts
How do mines and refiners deal with doré bars?
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.
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







