Understanding Rock Formations: Petrology for Prospectors
February 2021 by Chris Ralph
There are times when being able to recognize a type of rock can make you a much more successful prospector.
Winter is the time for research, and if you haven’t already done some research to find new places to prospect, now is the time to cram in some last minute research before the good weather arrives.
The more experienced prospectors know these lesser known spots are the types of places where big finds are still made.
A two-pronged approach is necessary to restore suction dredging; federal preemption needs to be established as addressed above via petition; and clarification from the EPA is needed to establish that no Section 402 permit is necessary when there is no “addition” of a pollutant.
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.
In some areas these channels were thousands of feet wide, and just figuring out where you are in some of these diggings is a challenge.
I am going to break bedrock down a bit and explain my view of the varying scenarios I come across in the field.
The Bawl Mill • Ask The Experts - Where did the gold go? • Ask The Experts - True north or magnetic north? • Ask The Experts - How do I avoid claim jumping? • Ask The Experts - Are closed placer and lode claims worth my time? • Gold Geochemistry: Where Does Gold Come From? • Goal Setting and Rock Tossing • Principles of Designing Your Mill Production System, Part II: Mill Design • Gold Prospecting for Better or Worse: A Claim to Die For • Tips and Tricks: How to Make Your Own Gold Bars Without Burning the Place Down • Minnesota Lawmakers Move to Stop New Mines • Drywashing for Desert Gold—Part I • Seven Troy Ounces of Premonition? • I Was Looking for Gold But I Found Jade • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices