Prospecting & Detecting
Small-Scale Processing of Hard Rock Ores
December 2014 by Chris Ralph
Depending on the ore and if significant sulfides are present, a hard rock miner may be able to get away with simply using a flux to digest the other minerals that may be present.
Additional articles that might interest you...
Southern Oregon's Illinois River—A Lesson in Sharing
November 2013
Our theory was that a dredge would collect far more material in a shorter period of time, leaving us with ounces of gold every day.
Our theory was that a dredge would collect far more material in a shorter period of time, leaving us with ounces of gold every day.
Breaking Rock the Old School Way
June 2013
Prospectors have many reasons why they might want to break rocks. These include dividing up a specimen too large to carry.
Prospectors have many reasons why they might want to break rocks. These include dividing up a specimen too large to carry.
Where to Find Gold in Indiana
December 2011
You might think that gold prospecting techniques are basically the same everywhere, and in many instances you’d be correct. Some geographical locations, however, due to their unique geological conditions, present unusual challenges...
You might think that gold prospecting techniques are basically the same everywhere, and in many instances you’d be correct. Some geographical locations, however, due to their unique geological conditions, present unusual challenges...
Mud Men: Pocket Miners of Southwest Oregon Part II
March 2011
How many more clays seams lie adjacent to known shear zones and quartz veins in the pocket areas of southwestern Oregon?
How many more clays seams lie adjacent to known shear zones and quartz veins in the pocket areas of southwestern Oregon?
Prospecting for Silver Deposits
August 2015
In some ways, silver is the forgotten precious metal because it straddles both the world of precious metals and jewelry, while having many important industrial applications like a base metal. The price of silver reflects both the precious metal investment demand as well as the industrial demand.
In some ways, silver is the forgotten precious metal because it straddles both the world of precious metals and jewelry, while having many important industrial applications like a base metal. The price of silver reflects both the precious metal investment demand as well as the industrial demand.
Hidden Value in Old Tailings
March 2014
The 15 rare earth elements were discovered long after the gold rush began to wane, but demand for them only took off over the past 10 years...
The 15 rare earth elements were discovered long after the gold rush began to wane, but demand for them only took off over the past 10 years...
Arizona's Youngest...and Oldest Prospector
June 2014
I started with, "Hey, Rusty, tell me about the time..." and that was all it took.
I started with, "Hey, Rusty, tell me about the time..." and that was all it took.
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