Prospecting & Detecting
Fault Zones and Prospects
June 2011 by Don RobinsonAs we walked back we were just reaching the point of where the faulting should be and there, covered with deep grass, was very faint evidence of an old road going up the mountainside! What was that old road doing there?
Following Clues to a Lost Gold Deposit—The Northern Extension of the Cedarberg
Last month, in “Following Clues to a Hidden Gold Deposit,” I ended the article with the direction that we were on the hunt! We were getting prepared and ready to roll with our detectors, then snow came, and lots of it. We had already found the seam diggings mine on the mountainside in wild, rough brush and trees. It had been well hidden.
Sixteen to One Gold Mine: Going Underground - Pt II
We descended hunched over, down a long, steep, wooden staircase to the 1,000-level.
Mud Men: Pocket Miners of Southwest Oregon—Part I
Rocks and minerals associated with clay seam gold deposits in southern Oregon are often in sedimentary rock units at least partially metamorphosed into argillite. They are also associated with mafic volcanic rocks, basalts and gabbro that...
Ask The Experts
Can a metal detector be used to find limonitic gossan material?
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.
Late Fall Drywashing
Part of the good thing about this spot is that it is not that far from my home in the famous Virginia City mining district. Not everyone knows this, but the first discoveries around that area were gold placers.
How Long Does It Take to Find and Recover An Ounce of Gold?
Some ask if a prospector can collect an entire ounce in a day. It is possible; I’ve done it before.
The Bawl Mill • Dredge Mining—Current Situation in Idaho • What Are Those Rocks In My Pan? • "Gold Rush: Alaska" in the Porcupine Mining District • Wyoming's Billion Dollar Nugget—The Trilogy Ends • Melman on Gold & Silver • Mining Stock Quotes & Mineral and Metal Prices
Gold Prospecting and Mining Summit • Legislative and Regulatory Update • Hands-on at Iowa Hill • Good Research and Bad Luck