Prospecting & Detecting
Refractory Gold Processing
February 2013 by Thom Seal, PhD, PE
After your excitement peaks when you first receive the high gold assay from the vein you just exposed, you ponder how you will extract and sell your gold. You will need to develop a flow sheet for your process to optimize your recovery and minimize your costs and permit requirements.12-Year-Old Unearths Large Diamond
It is the eighth largest brown diamond to be found and certified by park staff.
The Unusual Forest Nugget Patch
This is the story of a nugget patch I’ve been working on that is a bit unusual. I won’t be telling you where it is located, but I will tell you how I found it and how I’ve worked it.
The Gold Of Horseshoe Bend
And we eventually reached gold. It was a winding crevice of beautiful white quartz lined with small nuggets and loaded with fine gold. There were flakes and small granular pieces—there had to be a hundred or more.
Understanding Skim Bar Placers
Perhaps the most notable thing about skim placers is that they form on the top surface of gravel bars, as opposed to coarser gold placers where the weight of the gold particles allows the gold to settle down on or near bedrock.
Hunting for Gold in the Quartzsite Area of Western Arizona
Winters are a great time to explore the hills in the area of the Middle Camp, Oro Fino and La Cholla placers on the southern flank of the Dome Rock Mountains.
River Dredging vs. Creek Dredging—Part I
As I started walking down to the river one chilly morning, the mist was hanging over the calm portions of the water like a white cotton blanket. This scene got me to thinking about why the river was like that—the deep pools, boulder fields, gravel bars, the effects of how much water was moving at any given time along the watercourse—and most of all the relationship all these things have on where I will be able to find gold.
The Reason We Fight
Joy was written on his face, holding up the nugget—his first ever nugget—that he and his grandpa dug up together.
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