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Crushing, Grinding and Pulverizing
May 2017 by Alex Dolbeare
There are many different ways to get the gold out. We will take a look a few examples of crushing and grinding, and potentially which ores they may be best suited for.
A Modern Day Prospector’s Story
My first encounter with rocks and minerals started as a young child in the company of my siblings investigating the rocky mounds placed around the Australian coastline to help prevent erosion just north of Brisbane...
Gold Detecting Strategies for Hydraulic Mines and Debris Flows
The old timers typically washed these areas down to bedrock, and some areas appear terraced. I would imagine this is because these hydraulic mines were generally where the miners found old Tertiary river channels on the sides of mountains that were gold-bearing.
The Highs and Lows of Drywashing
We were met with a plethora of mechanical problems with the dry washer and even a few with the excavator that were at times frustrating, but we were in this for the long haul, so we needed to solve these problems and move forward.
Basic Geology for the Independent Miner—Part II Recognizing and Understanding Rock Formations (Petrology)
Rocks are an aggregate formed from the accumulation of minerals. Minerals form under various conditions, and when the minerals come together in mass, they form rocks.
Little Rocky Mountains, Montana
The Little Rocky Mountains are a group of wooded hills, 10 miles long and 8 miles wide, which form an island in the Great Plains of north-central Montana. They rise to 5,708 feet, 2,000 feet above the surrounding plains.
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.
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