12-Year-Old Unearths Large Diamond
September 2013 by Associated PressIt is the eighth largest brown diamond to be found and certified by park staff.
...it’s been a little known secret that one man was involved in designing many of the most respected very low frequency (VLF) nugget detectors on the market. Dave Johnson has designed gold-oriented detectors for Tesoro, Whites, Fisher and others for more than 25 years.
We split up in order to cover a larger area and found good color almost everywhere. The bedrock was shallow on both sides of the river, but the inside bend was where we concentrated our prospecting.
Trinity County is located in the far northwest corner of California and stirs up many different memories for those who have been there.
Some of the items that I’m going to go over are outcroppings, ditches, exploratory trenches and contacts/surface materials. I am going to speak about each of the above items in as much detail as I can, and then towards the end of this article I will tie them together.
Breaking cemented gravels
We decided to run a detector over each piece. If we got a decent signal we placed the piece into a high-grade pile and the rest went into another pile to be worked on later. This high-grade pile wasn’t that large—maybe 25 pounds...
The old report I read indicated all they ever did was dig some trenches and take samples. It sounded to me like a good place to take my metal detector...
The Bawl Mill • Ask the Experts • Ask the Experts • Ask the Experts • Greenstone and Gold • The Long Road to Gold Point, Nevada • What, Where and How for the New Prospector • Proper Spacing of Placer Sample Sites • Hunches, Choices and Guesses • Time for a New Approach: Detecting Float Gold • Carissa Gold Mine Comes Back to Life • Gold in Beatty, Nevada • Cripple Creek Gold Mine Exceeding Expectations • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices