Conrey Dredge No. 4
November 2017 by Don Madore
The large buckets were favorable for the type of ground worked. The gravel was tenacious and compact, due to the existence of irregular pockets of clay.
• Do as I say, not as I do...
• By the numbers...
The majority of the gold produced in Goldfield has come from ores that are close enough to the surface to be oxidized by the air. This oxidized ore is normally a soft, shattered, earthy material usually stained yellow to brown by oxides of iron.
If you have been prospecting for any length of time, then you have probably heard something like, “All the gold ever mined would equal a cube 60 feet on each side.”
The most obvious benches are usually near the valley floor, but they can be thousands of feet above the valley floor. Since benches were made by streams, they can contain placer deposits.
Trinity County is located in the far northwest corner of California and stirs up many different memories for those who have been there.
Exploration companies are actively looking for properties with profitable potential, even if the ground was once cast off as too low in grade to be economically viable. This is especially true in states that are reasonably friendly toward...
The Bawl Mill • Legislative and Regulatory Update • Ask The Experts - How do I work this glacial deposit? • Ask The Experts - How do I best recover gold in pyrite? • It Pays to Know Your Bedrock • BLM Cancels 10-Million-Acre Sage Grouse Mineral Withdrawal • Take it to Bedrock • The Beatty Mining District of Nevada • Flood Plain Gold Deposits—What Are They Really? • Exploring Iron Oxide Copper Gold Deposits • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices