Author

Katarina Visser

An MSHA Certified Instructor at a surface mining operation, Katarina Visser leads safety training for field crews. She drove heavy haul trucks in quarries and at an open-pit gold mine, later taking on compliance inspections and crew instruction across active extraction pits.

Is Cordite Still Used in Modern Ammunition?
Can Cobalt Be Recycled? Sources, Methods, and Benefits
How Is Graphite Mined and Processed?
What Is Leaching in Mining and How Does It Work?
Copper Production Process: From Formation to Refining
How Petroleum Jelly Is Made: From Crude Oil to Final Product
How Is Cobalt Extracted? From Ore to Final Product
What Is a Smelter and How Does the Smelting Process Work?
How Is Zinc Mined and Processed From Ore to Metal?
How Is Coke Made From Coal? The Coking Process Explained
How Is Mercury Made? From Ore to Industrial Production
What Is Heavy Oil? Definition, Extraction, and Uses
How Is Silicon Mined and Processed for Use?
How to Make Zinc: From Raw Ore to Pure Metal
Where Is Vanadium Mined and How Is It Processed?
What Is Limestone Slurry Used For?
How Is Carbon Black Made? From Feedstock to Finish
What Properties of Silica Sand Make It Useful in Hydraulic Fracturing?
How to Get Aluminum: From Ore to Recycling
How Is Coal Processed From the Mine to the Plant?
Where to Find Lithium: From Brine to Hard Rock
What Is Froth Flotation in Mineral Processing?
How Is Bitumen Made? From Crude Oil to Asphalt
Can Iron Be Recycled? The Process and Its Benefits
What Is Metallurgical Coal and How Is It Used?
How Is Tungsten Mined and Processed?
How Is Asbestos Mined and Processed?
What Is in Mineral Oil and How Is It Made?
What Is Heap Leaching? Process & Chemical Principles
What Is Pet Coke and How Is It Made?