History & Geology
Rock and Formations of the Mother Lode Gold Belt
October 2015 by Chris Ralph
The faulting, folding and shearing that occurred in the Mother Lode belt has created zones of structurally weak rocks or contacts between different types of rock, which has been favorable for the deposition of gold bearing ores.
Critical Metals: Antimony
I’ve been taking a look at the mining and uses of a number of critical metals in series of articles, and it’s time to take a look at antimony.
How to Recognize Hard Rock Gold Ores
I regularly get inquiries along the line of: “Hey, I found this rock, and I think it might be gold ore. How can I tell?” Prospectors are always on the lookout for gold-bearing rocks that may be the source of any nearby placer gold.
The Goldfield Mining District, Nevada—Part I
An example of some of this extraordinary ore was a lot of about four tons from the Florence mine during the last days of a lease that averaged over 300 ounces of gold per ton.
$50 Million in Gold From 1857 Shipwreck Approved for Sale
The gold is all for sale. Just one tiny coin alone could go for $1 million because of its combination of rarity and the history behind it...
Ask The Experts
Q: Is there a correlation between fault zones and mineralization of economic metals?
The Bawl Mill
• Do as I say, not as I do...
• By the numbers...
SS Central America Gives Up Millions in Gold Rush Era Gold
A treasure-seeking young man whose name will forever remain anonymous made the months-long journey either over land or by sailing ship to California after word spread about the gold strike in 1849.
Subscription Required:
The Bawl Mill
• Legislative and Regulatory Update
• Ask The Experts
• The Bucking Room
• A Long Dry Spell
• Prospectors Protest San Gabriel Mountains National Monument
• MMAC & PLP Update
• Where Should I Start?
• California State Gold Panning Championships
• From Curiosity to Mine Owner - Pt II
• 2016 Gold Prospecting and Mining Summit
• Growing Up Gold
• 2015 World Gold Panning Championships
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
